Publications
Scientific publications, talks, and theses.
Click a title or “Details” link to learn
more about a particular publication (including BibTeX, PDF download, etc).
"The Right Move" - A concept for a video-based choreography tool
S. Zillner, M. Gelautz, M. Kallinger: ""The Right Move" - A concept for a video-based choreography tool"; in: "Proceedings of the Photogrammetric…
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S. Zillner, M. Gelautz, M. Kallinger
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A Framework for User Interface Design in Visual Information Retrieval
This paper describes the user interface framework of the VizIR project. VizIR is an open project to develop a Java-based, extendible and…
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H. Eidenberger, C. Breiteneder
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A Framework for Visual Information Retrieval
In this paper a visual information retrieval project (VizIR) is presented. The goal of the project is the implementation of an open Content-based…
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H. Eidenberger, C. Breiteneder
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An Experimental Study on the Performance of Visual Information Retrieval Similarity Models
This paper is an experimental study on the performance of the two major methods for macro-level similarity measurement: linear weighted merging and…
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H. Eidenberger, C. Breiteneder
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ARLib: The Augmented Library
ARLib is a location-based application for a mobile Augmented Reality system based on a notebook computer, a head-mounted display fitted with a…
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E. Umlauf, H. Piringer, G. Reitmayr, D. Schmalstieg
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Communication over the Internet using a 3D Agent with Real-time Facial Expression Analysis, Synthesis and Text to Speech Capabilities
N. Chandrasiri, I. Barakonyi, T. Naemura, M. Ishizuka, H. Harashima: "Communication over the Internet using a 3D Agent with Real-time Facial…
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N. Chandrasiri, I. Barakonyi, T. Naemura, M. Ishizuka, H. Harashima
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Construct3D: An Augmented Reality Application for Mathematics and Geometry Education
Construct3D is a three dimensional geometry construction tool specifically designed for mathematics and geometry education. It is based on the mobile…
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H. Kaufmann
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Distributed Applications for Collaborative Augmented Reality
This paper focuses on the distributed architecture of the collaborative augmented reality system Studierstube. The system allows multiple users to…
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D. Schmalstieg, G. Hesina
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JEmblazoner: Construction of Coats of Arms Images from Textual Descriptions
This paper describes the free software component JEmblazoner. JEmblazoner is a Java-based user interface for Content-based Image Retrieval (CBIR) in…
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C. Breiteneder, H. Eidenberger, M. Wasinger
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Lookmark: A 2.5D Web Information Visualization System
Lookmarks are thumbnails of existing web pages that can be arranged within a 2.5-dimensional space, just like documents can be arranged on a normal…
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C. Breiteneder, H. Eidenberger, G. Fiedler, M. Raab
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Macro-level Similarity Measurement in VizIR
This paper analyzes the similarity measurement in Content-based Image and Video Retrieval systems (CBIR). The goal is to identify preliminaries for…
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H. Eidenberger, C. Breiteneder
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Mathematics And Geometry Education With Collaborative Augmented Reality
Construct3D is a three dimensional geometric construction tool specifically designed for mathematics and geometry education. It is based on the…
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H. Kaufmann, D. Schmalstieg
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Semantic Feature Layers in Content-based Image Retrieval: Implementation of Human World Features
The major problem of most CBIR approaches is bad quality in terms of recall and precision. As a major reason for this, the semantic gap between…
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H. Eidenberger, C. Breiteneder
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Structured Visual Markers for Indoor Pathfinding
We present a mobile augmented reality (AR) system to guide a user through an unfamiliar building to a destination room. The system presents a…
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M. Kalkusch, T. Lidy, M. Knapp, G. Reitmayr, H. Kaufmann, D. Schmalstieg
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VizlerControl: A Module-based Environment for Device Control based on Image Analysis
The VizlerControl project aims at the development of a standardized, module-based environment for hardware device control. The term Vizler stands for…
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H. Eidenberger
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Angular Brushing of Extended Parallel Coordinates
In this paper we present several extensions to the wellknown InfoViz technique of parallel coordinates, mainly concentrating on brushing and…
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H. Hauser, F. Ledermann, H. Doleisch
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Communicating Multimodal Information on the WWW Using a Lifelike, Animated 3D Agent
I. Barakonyi, N. Chandrasiri, S. Descamps, M. Ishizuka: "Communicating Multimodal Information on the WWW Using a Lifelike, Animated 3D Agent";…
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I. Barakonyi, N. Chandrasiri, S. Descamps, M. Ishizuka
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Dynamically Shared Optical Tracking
Optical Tracking using ARToolkit provides us with the base technology for a wealth of Augmented Reality applications. However, marker-based optical…
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F. Ledermann, G. Reitmayr, D. Schmalstieg
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Dynamische Geometrie in Virtual Reality
Construct3D ist eine Anwendung zur Konstruktion dreidimensionaler Geometrie basierend auf dem Augmented Reality (AR) System "Studierstube". In…
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H. Kaufmann
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Geometry Education in the Augmented Classroom
Current geometry and mathematics education still relies heavily on traditional tools such as pencil and paper to teach complex 3-dimensional…
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D. Schmalstieg, H. Kaufmann, G. Reitmayr, F. Ledermann
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Two-Handed Direct Interaction with ARToolKit
A mobile augmented reality system for 3D interaction requires an easy to use, interactive input device. In our work on the Studierstube project, we…
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S. Veigl, A. Kaltenbach, F. Ledermann, G. Reitmayr, D. Schmalstieg
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A Comparative Study of Radar Stereo and Interferometry for DEM Generation
M. Gelautz, P. Paillou, C. Chen, H. Zebker: "A Comparative Study of Radar Stereo and Interferometry for DEM Generation"; in: "Advances in SAR…
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M. Gelautz, P. Paillou, C. Chen, H. Zebker
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A new method for visual descriptor evaluation
Evaluation in visual information retrieval is usually performed by executing test queries and calculating recall and precision based on predefined…
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H. Eidenberger
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A new perspective on visual information retrieval
Visual information retrieval (VIR) is a research area with more than 300 scientific publications every year. Technological progress lets surveys…
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H. Eidenberger
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Augmented Reality Kanji Learning
ARToolKit programmers are familiar with the kanji symbols supplied with the distribution. Most of them have do not know what these kanji symbols…
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I. Barakonyi, D. Wagner
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Augmented Reality Videonconferencing for Collaborative Work
I. Barakonyi, W. Frieb, D. Schmalstieg: "Augmented Reality Videonconferencing for Collaborative Work"; in: "Proc. of the 2nd Hungarian Computer…
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I. Barakonyi, W. Frieb, D. Schmalstieg
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Collaborative Augmented Reality in Education
Technological advances enable the use of innovative learning tools for education. This work gives a brief insight into the potential and challenges…
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H. Kaufmann
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Collaborative Work with Volumetric Data Using Augmented Reality Videoconferencing
The Augmented Reality Videoconferencing System is a novel remote collaboration tool combining a desktop-based AR system and a videoconferencing…
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I. Barakonyi, T. Fahmy, D. Schmalstieg, K. Kosina
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Data Management Strategies for Mobile Augmented Reality
Any significant real-world application of mobile augmented reality will require a large model of location-bound data. While it may appear that a…
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G. Reitmayr, D. Schmalstieg
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Distance measures for MPEG-7-based retrieval
In visual information retrieval the careful choice of suitable proximity measures is a crucial success factor. The evaluation presented in this paper…
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H. Eidenberger
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First Steps Towards Handheld Augmented Reality
In this paper we describe the first stand-alone Augmented Reality (AR) system with self-tracking running on an unmodified personal digital assistant…
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D. Schmalstieg, D. Wagner
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How good are the visual MPEG-7 features?
The study presented in this paper analyses descriptions extracted with MPEG-7-descriptors from visual content from the statistical point of view.…
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H. Eidenberger
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Location Based Applications for Mobile Augmented Reality
In this work we investigate building indoor location based applications for a mobile augmented reality system. We believe that augmented reality is a…
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G. Reitmayr, D. Schmalstieg
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Media handling for visual information retrieval in VizIR
This paper describes how the handling of visual media objects is implemented in the visual information retrieval project VizIR. Essentially, four…
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H. Eidenberger
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Medienverarbeitung in Java
H. Eidenberger, R. Divotkey: "Medienverarbeitung in Java"; dpunkt.verlag, Heidelberg, 2003, ISBN: 3-89864-184-8; 272 pages.
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H. Eidenberger, R. Divotkey
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SMIL and SVG in Teaching
This paper describes how the web standards Synchronized Multimedia Integration Language (SMIL) and Scalable Vector Graphics (SVG) are used in…
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H. Eidenberger
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Terrain Geomorphing in the Vertex Shader
Terrain rendering has heretofore been computed by a CPU and rendered by a combination of CPU and GPU. It is possible to implement a fast terrain…
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D. Wagner
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User Controlled Creation of Multiresolution Meshes
E. Pojar, D. Schmalstieg: "User Controlled Creation of Multiresolution Meshes"; in: "Proceedings of ACM SIGGRAPH 2003 Symposium on Interactive 3D…
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E. Pojar, D. Schmalstieg
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Video Object Segmentation Using Stereo-derived Depth Maps
D. Markovic, M. Gelautz: "Video Object Segmentation Using Stereo-derived Depth Maps"; in: "Vision in a Dynamic World", C. Beleznai, T. Schlögl (ed.);…
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D. Markovic, M. Gelautz
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Video-based 3D Reconstruction of Moving Scenes Using Multiple Stationary Cameras
M. Bleyer, M. Gelautz: "Video-based 3D Reconstruction of Moving Scenes Using Multiple Stationary Cameras"; in: "Vision in a Dynamic World", C.…
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M. Bleyer, M. Gelautz
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Visual Similarity Measurement with the Feature Contrast Model
The focus of this paper is on similarity modeling. In the first part we revisit underlying concepts of similarity modeling and sketch the currently…
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H. Eidenberger, C. Breiteneder
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WireAR - Legacy Applications in Augmented Reality
Current Augmented Reality (AR) applications require that the application software be written to support a specific AR interface set up. WireAR was…
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G. Reitmayr, M. Billinghurst, D. Schmalstieg
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Augmented Reality für die Geometrie
Hannes Kaufmann ist Doktorand an der TU Wien. Sein Arbeitsgebiet: Augmented Reality ("AR") für den Mathematik- und Geometrieunterricht. AR bedeutet…
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H. Kaufmann
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Distributed Applications for Collaborative Three-Dimensional Workspaces
This paper focuses on the distributed architecture of the collaborative three-dimensional user interface management system Studierstube. The system…
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D. Schmalstieg, G. Reitmayr, G. Hesina
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Mathematics And Geometry Education With Collaborative Augmented Reality
Construct3D is a three dimensional geometric construction tool specifically designed for mathematics and geometry education. It is based on the…
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H. Kaufmann, D. Schmalstieg
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Multimedia 200x - Trends and perspectives
H. Eidenberger, S. Boll: "Multimedia 200x - Trends and perspectives"; iX, 09 (2003), 85 - 90.
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H. Eidenberger, S. Boll
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Radar stereo- and interferometry-derived digital elevation models: comparison and combination using Radarsat and ERS-2 imagery
In this experiment, we derive and compare radar stereo and interferometric digital elevation models (DEMs) of a study site in Djibouti, East Africa.…
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M. Gelautz, P. Paillou, C. Chen, H. Zebker
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SUNs free Java framework for media data
Introduction to the Java Media Framewor (JMF). JMF is an os-independent extension to the Java SDK that allows processing (capturing, kompression,…
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H. Eidenberger
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The MPEG-7 standard for multimedia content description
An introduction to the MPEG-7 standard for the description of audiovisual content.
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H. Eidenberger
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VizIR - A Framework for Visual Information Retrieval
In this paper the visual information retrieval project VizIR is presented. The goal of the project is the implementation of an open visual…
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H. Eidenberger, C. Breiteneder
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A Flexible DirectShow Input Module for the Augmented Reality Toolkit
T. Pintaric: "A Flexible DirectShow Input Module for the Augmented Reality Toolkit"; in: "Proceedings of the Second IEEE International Augmented…
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T. Pintaric
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An Adaptive Thresholding Algorithm for the Augmented Reality Toolkit
It is well known that fixed global thresholds have adverse effects on the reliability of marker-based optical trackers under non-uniform lighting…
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T. Pintaric
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Augmented Reality Live-Action Compositing
We shall demonstrate a system that performs live-action compositing of physical and virtual objects against a panoramic background image in real-time…
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T. Pintaric
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Integrating Studierstube and DWARF
Studierstube and DWARF are modular Augmented Reality frameworks, each with distinct advantages in different application areas. Both can easily be…
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M. Bauer, O. Hilinges, A. MacWilliams, C. Sandor, M. Wagner, G. Klinker, J. Newman, G. Reitmayr, T. Fahmy, T. Pintaric, D. Schmalstieg
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Interactive Mediated Reality
Mediated reality describes the concept of filtering our vision of reality, typically using a head-worn video mixing display. In this paper, we…
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R. Grasset, J. Gascuel, D. Schmalstieg
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Knowledge-based Methods for Facilitating the Creation of Asbru Protocols
K. Kaiser: "Knowledge-based Methods for Facilitating the Creation of Asbru Protocols"; Talk: 10th Doctoral Consortium on Advanced Information Systems…
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K. Kaiser
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Presenting an Archaeological Site in the Virtual Showcase
In this paper, we present our effort to use augmented reality technology to present an archaeological site inside the "Virtual Showcase". A scale…
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F. Ledermann, D. Schmalstieg
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Storytelling and Content presentation with Virtual and Augmented Environments in a Museum Context
This paper gives an overview of the Virtual Showcase as an augmented reality display system for museums. It explains about different hardware…
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S. Beckhaus, F. Ledermann, O. Bimber
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Tangible Augmented Reality for Computer Games
C. Ulbricht, D. Schmalstieg: "Tangible Augmented Reality for Computer Games"; in: "Proceedings of the Third IASTED International Conference on…
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C. Ulbricht, D. Schmalstieg
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The Inverse Warp: Non-Invasive Integration of Shear-Warp Volume Rendering into Polygon Rendering Pipelines
In this paper, a simple and efficient solution for combining shear-warp volume rendering and the hardware graphics pipeline is presented. The…
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S. Bruckner, D. Schmalstieg, H. Hauser, E. Gröller
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Video-based virtual environments
In this sketch we present a system for rapidly developing and deploying semi-interactive, video-based Virtual Environments.
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T. Pintaric, A. Rizzo, U. Neumann
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A Comparative Study of Radar Stereo and Interferometry for DEM Generation
M. Gelautz, P. Paillou, C. Chen, H. Zebker: "A Comparative Study of Radar Stereo and Interferometry for DEM Generation"; Talk: Fringe'03, Frascati,…
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M. Gelautz, P. Paillou, C. Chen, H. Zebker
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A Graphical Tuplespace
D. Schmalstieg: "A Graphical Tuplespace"; Talk: Technische Universität München, Technische Universität München, Germany (invited); 07-22-2003.
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D. Schmalstieg
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Augmented and Ubiquitous Environments with Studierstube
D. Schmalstieg: "Augmented and Ubiquitous Environments with Studierstube"; Talk: Technische Universität Graz, Technische Universität Graz, Austria…
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D. Schmalstieg
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Augmented Reality for Computer Supported Learning
D. Schmalstieg: "Augmented Reality for Computer Supported Learning"; Talk: University of Salzburg, University of Salzburg, Austria (invited);…
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D. Schmalstieg
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Augmented Reality Videoconferencing for Collaborative Work
This paper describes an Augmented Reality videoconference system, which is a novel remote collaboration tool combining a desktop-based AR system and…
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I. Barakonyi, W. Frieb, D. Schmalstieg
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Details
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Data Management Strategies for Mobile Augmented Reality
Any significant real-world application of mobile augmented reality will require a large model of location-bound data. While it may appear that a…
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G. Reitmayr
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Details
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First Steps Towards Handheld Augmented Reality
In this paper we describe the first stand-alone Augmented Reality (AR) system with self-tracking running on an unmodified personal digital assistant…
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D. Wagner
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Details
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How good are the visual MPEG-7 features?
H. Eidenberger: "How good are the visual MPEG-7 features?"; Talk: SPIE Visual Communications and Image Processing Conference, Lugano, Switzerland;…
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H. Eidenberger
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Location Based Applications for Mobile Augmented Reality
In this work we investigate building indoor location based applications for a mobile augmented reality system. We believe that augmented reality is a…
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G. Reitmayr
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Details
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Media handling for visual information retrieval in VizIR
H. Eidenberger: "Media handling for visual information retrieval in VizIR"; Talk: SPIE Visual Communications and Image Processing Conference, Lugano,…
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H. Eidenberger
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Mixed Reality: The Continuum from Virtual to Augmented Reality
D. Schmalstieg: " Mixed Reality: The Continuum from Virtual to Augmented Reality"; Talk: IEEE Virtual Reality 2003, Los Angeles, USA; 03-25-2003.
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D. Schmalstieg
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Presenting an Archaeological Site in the Virtual Showcase
F. Ledermann: "Presenting an Archaeological Site in the Virtual Showcase"; Talk: VAST 2003, Brighton, England (invited); 2003.
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F. Ledermann
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User Controlled Creation of Multiresolution Meshes
We present a tool for the user-controlled creation of multiresolution meshes. Several automatic mesh reduction methods of high quality have been…
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E. Pojar, D. Schmalstieg
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Video Object Segmentation Using Stereo-derived Depth Maps
D. Markovic, M. Gelautz: "Video Object Segmentation Using Stereo-derived Depth Maps"; Poster: ÖAGM/AAPR, Laxenburg, Austria; 06-05-2003 - 06-06-2003.
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D. Markovic, M. Gelautz
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Video-based 3D Reconstruction of Moving Scenes Using Multiple Stationary Cameras
M. Bleyer, M. Gelautz: "Video-based 3D Reconstruction of Moving Scenes Using Multiple Stationary Cameras"; Poster: ÖAGM/AAPR, Laxenburg, Austria;…
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M. Bleyer, M. Gelautz
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Visual Similarity Measurement with the Feature Contrast Model
H. Eidenberger: "Visual Similarity Measurement with the Feature Contrast Model"; Talk: SPIE Electronic Imaging Conference, Santa Clara, USA;…
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H. Eidenberger
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A layered stereo algorithm using image segmentation and global visibility constraints
We propose a new stereo algorithm which uses colour segmentation to allow the handling of large untextured regions and precise localization of depth…
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M. Bleyer, M. Gelautz
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Agents That Talk And Hit Back: Animated Agents in Augmented Reality
AR Puppet is a hierarchical animation framework for Augmented Reality agents, which is a novel research area combining Augmented Reality (AR),…
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I. Barakonyi, T. Psik, D. Schmalstieg
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AR Puppet: Animated Agents in Augmented Reality
AR Puppet is a hierarchical animation framework for Augmented Reality agents, which is a novel research field connecting Augmented Reality (AR),…
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I. Barakonyi, D. Schmalstieg
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Collaborative Augmented Reality for Outdoor Navigation and Information Browsing
Augmented reality (AR) can provide an excellent user interface for visualization in a mobile computing application. The user´s view is augmented with…
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G. Reitmayr, D. Schmalstieg
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Computer-based Support for Clinical Guidelines and Protocols
K. Kaiser, S. Miksch, S. Tu (ed.): "Computer-based Support for Clinical Guidelines and Protocols"; IOS Press, 2004, ISBN: 158603412x; 183 pages.
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K. Kaiser, S. Miksch, S. Tu
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Evaluating Lab@Future a collaborative e-learning laboratory experiments platform
This paper presents Lab@Future, an advanced e-learning platform that uses novel Information and Communication Technologies to support and expand…
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J. Courtiat, C. Davarakis, M. Faust, S. Grund, H. Kaufmann, D. Mwanza, A. Totter
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Experimental Combination of Intensity and Stereo Edges for Improved Snake Segmentation
In this paper, we present an algorithm to combine edge information from stereo-derived depth maps with edges from the original intensity/color image…
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D. Markovic, M. Gelautz
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Fundamentals of Ubiquitous Tracking
Ubiquitous Computing (Ubicomp) environments require detailed, coherent and up-to-date spatial models of the world. However, current tracking…
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M. Wagner, A. MacWilliams, M. Bauer, G. Klinker, J. Newman, T. Pintaric
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Hybrid User Interfaces Using Seamless Tiled Displays
Hybrid user interfaces combine different ways of presenting information, such as desktop, projection, or head mounted displays, and turn an…
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D. Schmalstieg, G. Eibner
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Image-Based Stereoscopic Painterly Rendering
We present a new image-based stereoscopic painterly algorithm that we use to automatically generate stereoscopic paintings. Our work is motivated by…
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E. Stavrakis, M. Gelautz
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Recognition of Object Contours from Stereo Images: an Edge Combination Approach
In this paper, we present an algorithm to combine edge information from stereo-derived depth maps with edges from the original intensity/color image…
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M. Gelautz, D. Markovic
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Remote Collaboration Using Augmented Reality Videoconferencing
This paper describes an Augmented Reality (AR) Videoconferencing system, which is a novel remote collaboration tool combining a desktop-based AR…
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I. Barakonyi, T. Fahmy, D. Schmalstieg
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Stereo-based Image and Video Analysis for Multimedia Applications
M. Gelautz, E. Stavrakis, M. Bleyer: "Stereo-based Image and Video Analysis for Multimedia Applications"; in: "The International Archives of…
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M. Gelautz, E. Stavrakis, M. Bleyer
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Ubiquitous Tracking for Augmented Reality
Augmented Reality (AR) provides a natural interface to the "calm" pervasive technology anticipated in large-scale Ubiquitous Computing environments.…
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J. Newman, M. Wagner, M. Bauer, A. MacWilliams, T. Pintaric, D. Beyer, D. Pustka, F. Strasser, D. Schmalstieg, G. Klinker
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Web-based Visualization and Animation of Geospatial Data Using X3D
M. Gelautz, M. Brandejsky, F. Kilzer, F. Amelung: "Web-based Visualization and Animation of Geospatial Data Using X3D"; in: "Science for Society:…
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M. Gelautz, M. Brandejsky, F. Kilzer, F. Amelung
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A Video Browsing Application based on visual MPEG-7 Descriptors and Self-Organising Maps
The paper introduces a novel approach for interactive video browsing that makes video content fully transparent to the user. Video clips are analysed…
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H. Eidenberger
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Anwendungen digitaler Hochgeschwindigkeitsvideokameras
The growing availability and affordability of digital high-speed video cameras opens the door to new applications in the areas of digital image…
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M. Gelautz, W. Vogl, M. Schmutz
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ECAI 2004 - 16th European Conference on Artificial Intelligence
K. Kaiser: "ECAI 2004 - 16th European Conference on Artificial Intelligence"; ÖGAI Journal, 23 (2004), 3; 8 - 11.
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K. Kaiser
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Internet Communication Using Real-time Facial Expression Analysis and Synthesis
Because popular technologies such as chat dont capture peoples expressions or intonations, they fail to provide crucial emotional content. By…
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N. Chandrasiri, I. Barakonyi, T. Naemura, M. Ishizuka, H. Harashima
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OpenML - Media from the belt
This article describes OpenML - a C-based middleware for video and audio processing.
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H. Eidenberger
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Statistical analysis of MPEG-7 image descriptions
The study presented in this paper analyses the visual MPEG-7 descriptors from a statistical point of view. A statistical analysis is able to reveal…
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H. Eidenberger
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Supporting Configurability in a Tangibly Augmented Environment for Design Students
In many environments, the landscape of space and artefacts is evolving and changing with the tasks at hand. Integrating digital media and computation…
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T. Binder, G. Michelis, M. Gelautz, G. Iacucci, K. Matkovic, T. Psik, I. Wagner
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A Data Management Layer for Visual Information Retrieval
This case study describes the data management layer of the VizIR visual information retrieval project. VizIR is an open source framework of software…
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H. Eidenberger, R. Divotkey
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Modelling of Visual Feature Derivation in the VizIR Framework
If visual information retrieval should make further progress, it will be necessary to identify new ways to derive visual properties from higher…
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H. Eidenberger
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Parallel Visual Information Retrieval in VizIR
This paper describes how parallel retrieval is implemented in the content-based visual information retrieval framework VizIR. Generally, two major…
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H. Eidenberger
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Temporal Plan Interdependencies
Asbru is a complex formal language developed to represent clinical guidelines and protocols, which are time- and process-oriented. To facilitate and…
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K. Kaiser, S. Miksch
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The LAB@FUTURE Project - Moving Towards the Future of E-Learning
This paper presents Lab@Future, an advanced e-learning platform that uses novel Information and Communication Technologies to support and expand…
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V. Baudin, M. Faust, H. Kaufmann, V. Litsa, D. Mwanza, A. Pierre, A. Totter
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TimeWrap - A Method for Automatic Transformation of Structured Guideline Components into Formal Process-Representations
K. Kaiser, S. Miksch: "TimeWrap - A Method for Automatic Transformation of Structured Guideline Components into Formal Process-Representations"; in:…
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K. Kaiser, S. Miksch
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TimeWrap - A Method for Automatic Transformation of Structured Guideline Components into Formal Process-Representations
K. Kaiser, S. Miksch: "TimeWrap - A Method for Automatic Transformation of Structured Guideline Components into Formal Process-Representations";…
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K. Kaiser, S. Miksch
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Visual Data Mining
This paper introduces a novel paradigm for integrated retrieval and browsing in content-based visual information retrieval systems. The proposed…
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H. Eidenberger
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What are the potentials of the metadata standard MPEG-7?
H. Eidenberger: "What are the potentials of the metadata standard MPEG-7?"; Talk: SNML 2004 Workshop, Salzburg; 12-04-2004; in: "Proceedings SNML…
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H. Eidenberger
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Details
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A layered stereo algorithm using image segmentation and global visibility constraints
We propose a new stereo algorithm which uses colour segmentation to allow the handling of large untextured regions and precise localization of depth…
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M. Bleyer, M. Gelautz
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Details
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A new method for visual descriptor evaluation
H. Eidenberger: "A new method for visual descriptor evaluation"; Talk: SPIE Electronic Imaging Conference, San Jose, USA; 01-26-2004.
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H. Eidenberger
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Details
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A new perspective on visual information retrieval
H. Eidenberger: "A new perspective on visual information retrieval"; Talk: SPIE Electronic Imaging Conference, San Jose, USA; 01-26-2004.
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H. Eidenberger
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Details
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Agents That Talk And Hit Back: Animated Agents in Augmented Reality
AR Puppet is a hierarchical animation framework for Augmented Reality agents, which is a novel research area combining Augmented Reality (AR),…
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I. Barakonyi
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Details
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AR Puppet: Animated Agents in Augmented Reality
AR Puppet is a hierarchical animation framework for Augmented Reality agents, which is a novel research field connecting Augmented Reality (AR),…
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I. Barakonyi
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Details
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Augmented Reality: Technologie und Anwendungen in der Medizin
D. Schmalstieg: "Augmented Reality: Technologie und Anwendungen in der Medizin"; Talk: Medizin-Universität Graz, Austria, Graz, Austria (invited);…
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D. Schmalstieg
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Details
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Collaborative Augmented Reality for Outdoor Navigation and Information Browsing
Augmented reality (AR) can provide an excellent user interface for visualization in a mobile computing application. The users view is augmented with…
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G. Reitmayr
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Details
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Combining Augmented Reality and Sentient Computing
J. Newman: "Combining Augmented Reality and Sentient Computing"; Talk: Workshop on Applications of Location-Aware Computing, Nottingham; 09-06-2004.
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J. Newman
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Details
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Die Welt als Interface
D. Schmalstieg: "Die Welt als Interface"; Talk: Mobile Computing Kongress 2004, Fraunhofer IGD, Darmstadt, Germany (invited); 10-20-2004.
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D. Schmalstieg
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Details
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Distributed, Collaborative and Mobile Augmented Reality
D. Schmalstieg: "Distributed, Collaborative and Mobile Augmented Reality"; Talk: SIGGRAPH 2004 Course #25 "Developing Augmented Reality…
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D. Schmalstieg
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Details
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Experimental Combination of Intensity and Stereo Edges for Improved Snake Segmentation
In this paper, we present an algorithm to combine edge information from stereo-derived depth maps with edges from the original intensity/color image…
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D. Markovic, M. Gelautz
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Details
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Fundamentals of Ubiquitous Tracking for Augmented Reality
Ubiquitous Computing (Ubicomp) environments require detailed, coherent and up-to-date spatial models of the world. However, current tracking…
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J. Newman, M. Wagner, T. Pintaric, D. Schmalstieg, A. MacWilliams, M. Bauer, G. Klinker
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Details
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Future Trends in Information Technology
Hardware trends over the last decade have lead to substantial increase in computing power, storage capacity and network bandwidth while reducing…
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G. Reitmayr
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Details
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Image-Based Stereoscopic Painterly Rendering
We present a new image-based stereoscopic painterly algorithm that we use to automatically generate stereoscopic paintings. Our work is motivated by…
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E. Stavrakis, M. Gelautz
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Details
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Mobile Anwendungen von Augmented Reality
D. Schmalstieg: "Mobile Anwendungen von Augmented Reality"; Talk: Fachhochschule Hagenberg, Austria, Fachhochschule Hagenberg, Austria (invited);…
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D. Schmalstieg
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Details
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Mobile Augmented Reality
D. Schmalstieg: "Mobile Augmented Reality"; Talk: Technische Universität Graz, Technische Universität Graz (invited); 01-16-2004.
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D. Schmalstieg
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Details
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Recognition of Object Contours from Stereo Images: an Edge Combination Approach
In this paper, we present an algorithm to combine edge information from stereo-derived depth maps with edges from the original intensity/color image…
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M. Gelautz, D. Markovic
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Details
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Remote Collaboration Using Augmented Reality Videoconferencing
This paper describes an Augmented Reality (AR) Videoconferencing System, which is a novel remote collaboration tool combining a desktop-based AR…
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I. Barakonyi
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Details
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SMIL and SVG in teaching
H. Eidenberger: "SMIL and SVG in teaching"; Talk: SPIE Electronic Imaging Conference, San Jose, USA; 01-25-2004.
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H. Eidenberger
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Details
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Stereo-based Image and Video Analysis for Multimedia Applications
M. Gelautz, E. Stavrakis, M. Bleyer: "Stereo-based Image and Video Analysis for Multimedia Applications"; Talk: XXth International Congress for…
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M. Gelautz, E. Stavrakis, M. Bleyer
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Details
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Ubiquitous Tracking for Augmented Reality
Augmented Reality (AR) provides a natural interface to the "calm" pervasive technology anticipated in large-scale Ubiquitous Computing environments.…
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J. Newman, M. Wagner, M. Bauer, A. MacWilliams, T. Pintaric, B. Dagmar, D. Pustka, F. Strasser, D. Schmalstieg, G. Klinker
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Details
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Web-based Visualization and Animation of Geospatial Data Using X3D
M. Gelautz, M. Brandejsky, F. Kilzer, F. Amelung: "Web-based Visualization and Animation of Geospatial Data Using X3D"; Poster: IEEE International…
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M. Gelautz, M. Brandejsky, F. Kilzer, F. Amelung
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Details
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A Layered Stereo Matching Algorithm Using Image Segmentation and Global Visibility Constraints
This work describes a stereo algorithm that takes advantage of image segmentation, assuming that disparity varies smoothly inside a segment of…
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M. Bleyer, M. Gelautz
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Details
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AIME 2005 - 10th Conference on Artificial Intelligence in Medicine
K. Kaiser: "AIME 2005 - 10th Conference on Artificial Intelligence in Medicine"; ÖGAI Journal, 24 (2005), 3; 2 - 6.
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K. Kaiser
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Details
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Artificial Intelligence and Query Execution Methods in the VizIR Framework
The article introduces the architecture of the querying components of the visual information retrieval framework VizIR. A major design goal was to…
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D. Divotkey, H. Eidenberger, R. Divotkey
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Details
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Colour Segmentation-based Computation of Dense Optical Flow with Application to Video Object Segmentation
We propose a method for the computation of dense optical flow fields between two images of a video sequence. In a preprocessing step, the algorithm…
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M. Bleyer, M. Gelautz, C. Rhemann
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Details
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Geometrie und Raumvorstellung - Psychologische Perspektiven
In diesem Beitrag soll zunächst ein kurzer Überblick über den psychologischen Wissensstand zum räumlichen Vorstellungsvermögen gegeben werden, wobei…
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J. Glück, H. Kaufmann, A. Dünser, K. Steinbügl
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Details
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Interaction of Hypertext Forms and Global versus Sequential Learning Styles
A. Dünser, M. Jirasko: "Interaction of Hypertext Forms and Global versus Sequential Learning Styles"; Journal of Educational Computing Research, 32…
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A. Dünser, M. Jirasko
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Details
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Sicherheitsanker
F. Seitner: "Sicherheitsanker"; Linuxmagazin, 3 (2005), 03/2005; 60 - 64.
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F. Seitner
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Details
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Stereo Painting: Pleasing the Third Eye
E. Stavrakis, M. Gelautz: "Stereo Painting: Pleasing the Third Eye"; Journal of 3-D Imaging, United Kingdom (2005), 168; 20 - 23.
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E. Stavrakis, M. Gelautz
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Details
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Visual Information Retrieval
Grundlagen des Visual Information Retrieval
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H. Eidenberger
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Details
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Web automatization with Mechanize
H. Eidenberger, E. Michlmayr: "Web automatization with Mechanize"; iX, 7 (2005), 142 - 145.
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H. Eidenberger, E. Michlmayr
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Details
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APRIL: A High-level Framework for Creating Augmented Reality Presentations
While Augmented Reality (AR) technology is steadily maturing, application development is still lacking advanced authoring tools -- even the simple…
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F. Ledermann, D. Schmalstieg
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Details
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Computer Generated Stereoscopic Artwork
The focus of this work is to investigate and simulate artistic techniques in stereoscopy that go beyond stereo photography, such as stereoscopic…
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E. Stavrakis, M. Gelautz
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Details
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Content-based Querying Embedded in Multimedia Presentations
This paper presents a solution for integrating content-based multimedia retrieval with semantics-based content selection techniques, content…
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D. Divotkey, H. Eidenberger
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Details
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Digital (De)signs for Real Cities - Examining Sign Usage in Real and Digital Spaces
Today´s cities are full of signs: road signs, signposts, maps, graffitis, among many others. Future mobile digital information systems used in urban…
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F. Ledermann
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Details
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Drawing the Real
In this paper we present an algorithm to automatically produce artistic drawings from stereo image pairs. The input to the algorithm is a natural…
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D. Markovic, M. Gelautz
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Details
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Gaining Process Information from Clinical Practice Guidelines Using Information Extraction
K. Kaiser, C. Akkaya, S. Miksch: "Gaining Process Information from Clinical Practice Guidelines Using Information Extraction"; Talk: 10th Conference…
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K. Kaiser, C. Akkaya, S. Miksch
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Details
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Gigabit Ethernet-based Parallel Video Processing
This paper describes solutions for parallel video processing based on LAN-connected PC-like workstations. We outline application scenarios for the…
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H. Eidenberger
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Details
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Graph-based Surface Reconstruction from Stereo Pairs Using Image Segmentation
This paper describes a novel stereo matching algorithm for epipolar rectified images. The method applies colour segmentation on the reference image.…
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M. Bleyer, M. Gelautz
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Details
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Image-Based Stereoscopic Stylization
We present a method to generate stylized stereo imagery that effectively communicates shape and distance of the depicted scene objects. We use…
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E. Stavrakis, M. Bleyer, D. Markovic, M. Gelautz
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Details
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Interactive Presentation of 3D Remote Sensing Data on the Internet
The interactive presentation of 3D remote sensing data on the internet presents a challenging task for ongoing research on geoscientific…
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M. Gelautz, F. Kilzer, M. Brandejsky
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Details
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Panel: Virtual Reality and Spatial Ability
H. Kaufmann, A. Rizzo, G. Kim, R. Darken, R. Astur, F. Tendick: "Panel: Virtual Reality and Spatial Ability"; Keynote Lecture: VR 2005, Bonn,…
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H. Kaufmann, A. Rizzo, G. Kim, R. Darken, R. Astur, F. Tendick
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Details
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Parameterized Sketches from Stereo Images
In this paper we present an algorithm to automatically generate sketches from stereo image pairs. Stereo analysis is initially performed on the input…
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D. Markovic, E. Stavrakis, M. Gelautz
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Details
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pdf2table: A Method to Extract Table Information from PDF Files
Tables are a common structuring element in many documents, such as PDF files. To reuse such tables, appropriate methods need to be develop, which…
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B. Yildiz, K. Kaiser, S. Miksch
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Details
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Pedestrian tracking based on colour and spatial information
F. Seitner, B. Lovell: "Pedestrian tracking based on colour and spatial information"; Talk: International Conference on Digital Image Computing:…
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F. Seitner, B. Lovell
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Details
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Region-based Optical Flow Estimation with Treatment of Occlusions
This paper describes an algorithm for computing the optical flow field between two consecutive frames. The algorithm takes advantage of image…
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M. Bleyer, M. Gelautz, C. Rhemann
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Details
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Semi-automatic transformation of structured guideline components into formal process representations
K. Kaiser: "Semi-automatic transformation of structured guideline components into formal process representations"; Talk: 1st Doctoral Consortium at…
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K. Kaiser
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Details
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Stereoscopic Painting with Varying Levels of Detail
We present an algorithm for generating automatically stereoscopic paintings with varying levels of detail. We describe our interactive system built…
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E. Stavrakis, M. Gelautz
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Details
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Towards Massively Multi-User Augmented Reality on Handheld Devices
Augmented Reality (AR) can naturally complement mobile computing on wearable devices by providing an intuitive interface to a three-dimensional…
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T. Pintaric, F. Ledermann, D. Schmalstieg, D. Wagner
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Details
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Gaining Process Information from Clinical Practice Guidelines Using Information Extraction
Formalizing Clinical Practice Guidelines for a subsequent computer-supported processing is a cumbersome, challenging, and time-consuming task. But…
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K. Kaiser, C. Akkaya, S. Miksch
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Details
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Information Extraction. A Survey.
Information Extraction is a technique used to detect relevant information in larger documents and present it in a structured format. Information…
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K. Kaiser, S. Miksch
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Details
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iOrb - Unifying Command and 3D Input for Mobile Augmented Reality
Input for mobile augmented reality systems is notoriously difficult. Three dimensional visualization would be ideally accompanied with 3D…
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G. Reitmayr, C. Chiu, A. Kusternig, M. Kusternig, H. Witzmann
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Details
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Modeling Computer-Supported Clinical Guidelines and Protocols. A Survey.
Clinical Practice Guidelines are an important means for improving quality in care. They describe systematic developed statements to promulgate the…
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K. Kaiser, S. Miksch
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Details
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Programmieren in Perl
Einführung in die Welt der Computer-Programmierung und die Programmiersprache Perl
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H. Eidenberger, E. Michlmayr
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Details
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The Invisible Train
T. Pintaric, F. Ledermann, D. Wagner: "The Invisible Train"; Group exhibition; organised by: Imagina, catalogue: "Imagina 2005"; Grimaldi Forum,…
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T. Pintaric, F. Ledermann, D. Wagner
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Details
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Tutorial for the Document Exploration and Linking Tool
This report represents a tutorial for the Document Exploration and Linking Tool (DELT/A), which has been developed at our group. The tutorial covers…
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P. Votruba, K. Kaiser, S. Miksch
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Details
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An Event-Driven, Stochastic, Undirected Narrative (EDSUN) Framework for Interactive Contents
In this paper, we present an extensible framework for interactive multimodal contents, with emphasis on augmented reality applications. The proposed…
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A. Barclay, H. Kaufmann
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Details
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Designing Immersive Virtual Reality for Geometry Education
Our work introduces immersive collaborative learning to geometry education. More specifically, we present a system that uses collaborative augmented…
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H. Kaufmann, D. Schmalstieg
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Details
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Enrichment of clinical practice guidelines by semantics
K. Kaiser, S. Miksch: "Enrichment of clinical practice guidelines by semantics"; in: "Semantic Technologies Showcase. The Austrian Situation", A.…
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K. Kaiser, S. Miksch
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Details
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Learning Objects for Education with Augmented Reality
To fill the gap of next-generation user interfaces for mathematics and geometry education Construct3D is presented, a three-dimensional dynamic…
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H. Kaufmann, M. Papp
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Details
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Long Distance Distribution of Educational Augmented Reality Applications
For distance education utilizing shared Virtual or Augmented Reality (VR/AR) applications, reliable network distribution of educational content is of…
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H. Kaufmann, M. Csisinko, A. Totter
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Details
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Spatio-semantic systems for ubiquitous access to spatially structured information
F. Ledermann: "Spatio-semantic systems for ubiquitous access to spatially structured information"; in: "Semantic Technologies Showcase - The Austrian…
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F. Ledermann
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Details
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Towards a Taxonomy of Display Styles for Ubiquitous Multimedia
In this article, a domain independent taxonomy of sign functions, rooted in an analysis of physical signs found in public space, is presented. This…
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F. Ledermann, C. Breiteneder
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Details
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Virtual and Augmented Reality as Spatial Ability Training Tools
Virtual reality (VR) and augmented reality (AR - overlaying virtual objects onto the real world) offer interesting and wide spread possibilities to…
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A. Dünser, H. Kaufmann, K. Steinbügl, J. Glück
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Details
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A Graph-based Approach to Optical Flow Estimation
A vector field which describes the apparent motion between two images of a video sequence is commonly known as optical flow. The accurate estimation…
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C. Rhemann, M. Bleyer, M. Gelautz
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Details
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Analysis of the Data Quality of Audio Descriptions of Environmental Sounds
In this paper we perform statistical data analysis of a broad set of state-of-the-art audio features and low-level MPEG-7 audio descriptors. The…
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D. Mitrovic, M. Zeppelzauer, H. Eidenberger
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Details
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Architecture analysis for low-delay video coding
Low-delay video coding is a key technology for video conferencing as well as upcoming remote-monitoring and automotive video applications like…
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R. Schreier, A. Rahman, G. Krishnamurthy, A. Rothermel
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Details
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Biological Environment for Information Retrieval
Heuristic methods based on biological aspects have been successfully used in many computer science areas of research, including information retrieval…
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M. Girgis, A. Aly, B. Latef, B. El-Gamil
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Details
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Comics-Like Motion Depiction from Stereo
In this paper, we present an algorithm to depict motion in comics-like form, with an artistic drawn-like representation of the scene, from a stereo…
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D. Markovic, M. Gelautz
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Details
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Digital Television in Austria - Starting Experiences and Perspectives
This paper discusses some starting experiences, state of the art and development perspectives of the digital television in Austria. The basic concept…
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A. Samcovic, M. Gelautz
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Details
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Discrimination and Retrieval of Animal Sounds
D. Mitrovic, M. Zeppelzauer, C. Breiteneder: "Discrimination and Retrieval of Animal Sounds"; Poster: IEEE Multimedia Modelling Conference, Beijing;…
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D. Mitrovic, M. Zeppelzauer, C. Breiteneder
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Details
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Genetic Algorithms for Graph Layouts with Geometric Constraints
In this paper we introduce an application of real-coded genetic algorithms to the problem of consistent graph layouts and explore the potential…
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D. Vrajitoru, B. El-Gamil
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Details
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Kalman Filtering for Illumination-invariant Face Recognition
We propose a novel algorithm for the identification of faces from image samples. The algorithm uses the Kalman filter to identify significant facial…
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H. Eidenberger
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Details
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Kalman Filtering for Pose-invariant Face Recognition
We propose a novel algorithm for the identification of faces from image samples. The algorithm uses the Kalman filter to identify significant facial…
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H. Eidenberger
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Details
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Kalman Filtering for Robust Identification of Face Images with Varying Expressions and Lighting Conditions
We propose a novel algorithm for the identification of faces from image samples. The algorithm uses the Kalman filter to identify significant face…
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H. Eidenberger
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Details
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Motion Adaptive Intra Refresh for Low-Delay Video Coding
An intra refresh algorithm is presented which enables low-delay video communication at the efficiency of standard IP-coding schemes. It guarantees a…
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R. Schreier, A. Rothermel
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Details
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Segmentation-based Motion with Occlusions Using Graph-Cut Optimization
We propose to tackle the optical flow problem by a combination of two recent advances in the computation of dense correspondences, namely the…
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M. Bleyer, M. Gelautz, C. Rhemann
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Details
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Supporting the Implementation of Living Guidelines by Information Extraction
K. Kaiser, S. Miksch: "Supporting the Implementation of Living Guidelines by Information Extraction"; Poster: G-I-N Regional Symposium, Budapest, HU;…
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K. Kaiser, S. Miksch
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Details
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The Potential of Augmented Reality in Dynamic Geometry Education
This paper summarizes work done within the previous 6 years to integrate and implement Virtual and Augmented Reality (VR/AR) technologies in geometry…
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H. Kaufmann
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Details
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Biological Model for Information Retrieval
Heuristic methods based on biological aspects have been successfully used in many computer science areas of research, including information retrieval…
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M. Girgis, A. Aly, B. Latef, B. El-Gamil
|
Details
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Evaluation of content-based image descriptors by statistical methods
Evaluation of visual information retrieval systems is usually performed by executing test queries and computing recall- and precision-like measures…
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H. Eidenberger
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Details
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Experimental Combination of Intensity and Stereo Edges for Improved Snake Segmentation
In this paper, we present an algorithm to combine edge information from stereo-derived disparitymaps with edges from the original intensity/color…
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D. Markovic, M. Gelautz
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Details
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Free and Open Source Enabling Technologies for Patient-Centric, Guideline-Based Clinical Decision Support: A Survey
Objectives: Guideline-based clinical decision support is an emerging paradigm to help reduce error, lower cost, and improve quality in evidence-based…
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T. Leong, K. Kaiser, S. Miksch
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Details
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Graph-cut-based Stereo Matching using Image Segmentation with Symmetrical Treatment of Occlusions
This paper describes a dense stereo matching algorithm for epipolar rectified images. The method applies colour segmentation on the reference image.…
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M. Bleyer, M. Gelautz
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Details
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Handy sapiens
H. Eidenberger: "Handy sapiens"; iX, 2 (2007), 95 - 99.
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H. Eidenberger
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Details
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How can Information Extraction ease formalizing treatment processes in clinical practice guidelines? A method and its evaluation
Objective. Formalizing clinical practice guidelines for a subsequent computer-supported processing is a challenging, but burdensome and…
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K. Kaiser, C. Akkaya, S. Miksch
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Details
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Im Medienzeitäther - Aktuelle Trends in der Multimedia-Forschung
H. Eidenberger: "Im Medienzeitäther - Aktuelle Trends in der Multimedia-Forschung"; iX - Magazin für Professionelle Informationstechnik, 11 (2007),…
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H. Eidenberger
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Details
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Managing Complex Augmented Reality Models
Mobile augmented reality requires georeferenced data to present world-registered overlays. To cover a wide area and all artifacts and activities, a…
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D. Schmalstieg, G. Schall, D. Wagner, I. Barakonyi, G. Reitmayr, J. Newman, F. Ledermann
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Details
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Multiple Head Mounted Displays in Virtual and Augmented Reality Applications
With the recent introduction of low cost head mounted displays (HMDs), prices of HMD-based virtual reality setups dropped considerably. In various…
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H. Kaufmann, M. Csisinko
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Details
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Warning: Subtle Aspects of Strategy Assessment may Affect Correlations Among Spatial Tests
In this study, preliminary to a larger experiment, 42 participants completed four different spatial tests and, after each test, a strategy…
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J. Glück, A. Dünser, K. Steinbügl, H. Kaufmann
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Details
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A Macroblock-level Analysis on the Dynamic Behaviour of an H.264 Decoder
This work targets the optimization of multi-processor H.264 decoder implementations. We have extended the simulator of a multi-core VLIW media…
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F. Seitner, R. Schreier, M. Bleyer, M. Gelautz
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Details
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A Meta Schema for Evidence Information in Clinical Practice Guidelines as a Basis for Decision-Making
Clinical practice guidelines are an important instrument to aid physicians during medical diagnosis and treatment. Currently, different guideline…
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K. Kaiser, S. Miksch, P. Martini, A. Öztürk
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Details
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Affordable Infrared-Optical Pose Tracking for Virtual and Augmented Reality
In this paper, we describe the hard- and software of a new low-cost infrared-optical pose-tracking system for room-sized virtual environments. The…
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T. Pintaric, H. Kaufmann
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Details
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Analysis of a Kalman Approach for a Pedestrian Positioning System in Indoor Environments
In this work we present the design principles of a wearable positioning system for users in unprepared indoor environments. We describe the most…
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E. Herrera, R. Quiros, H. Kaufmann
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Details
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Assessment of Step Determination in a GPS/Compass/IMU System for Personal Positioning
Nowadays, there have been great advances in the location technology, even though the user´s location indoor, outdoor is still a challenge. The…
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E. Herrera, H. Kaufmann, R. Quiros
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Details
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Distributed Virtual Reality in Education
H. Kaufmann: "Distributed Virtual Reality in Education"; Keynote Lecture: 11th IEEE International Symposium on Distributed Simulation and Real Time…
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H. Kaufmann
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Details
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Embedding the Evidence Information in Guideline Representation Languages
Clinical practice guidelines are widely used to support medical staff in treatment planning and decision-making, whereas, the classification of…
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A. Öztürk, K. Kaiser, P. Martini, S. Miksch
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Details
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Formalizing 'Living Guidelines' using LASSIE: A Multi-step Information Extraction Method
Living guidelines are documents presenting up-to-date and state-of- the-art knowledge to practitioners. To have guidelines implemented by…
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K. Kaiser, S. Miksch
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Details
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Summary of Usability Evaluations of an Educational Augmented Reality Application
We summarize three evaluations of an educational augmented reality application for geometry education, which have been conducted in 2000, 2003 and…
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H. Kaufmann, A. Dünser
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Details
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Towards a Universal Implementation of 3D User Interaction Techniques
This paper presents a versatile - write once, use everywhere - approach of standardizing the development of three-dimensional user interaction…
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M. Csisinko, H. Kaufmann
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Details
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Towards Integrated Authoring, Annotation, Retrieval, Adaptation, Personalization and Delivery of Multimedia Content
We describe the CoCoMA task of the DELOS II European Network of Excellence on Digital Libraries. CoCoMA aims at the unification of the most important…
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H. Eidenberger, S. Boll, S. Christodoulakis, D. Divotkey, K. Leopold, A. Martin, A. Perego, A. Scherp, C. Tsinaraki
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Details
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3D Scene Reconstruction by Stereo Methods for Analysis and Visualization of Sports Scenes
M. Gelautz, M. Bleyer, D. Markovic, C. Rhemann: "3D Scene Reconstruction by Stereo Methods for Analysis and Visualization of Sports Scenes"; Talk:…
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M. Gelautz, M. Bleyer, D. Markovic, C. Rhemann
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Details
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A high-level simulator for the H.264/AVC decoding process in multi-core systems
H.264 as a new-generation video coding algorithm is becoming increasingly important for international broadcasting standards such as DVB-H and DMB.…
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F. Seitner, R. Schreier, M. Bleyer, M. Gelautz
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Details
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A Latency Analysis on H.264 Video Transmission Systems
Controlling and minimizing the delay of real-time video transmission systems is a key issue in latency sensitive applications. Examples for such kind…
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R. Schreier, A. Rothermel
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Details
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A Psychophysical Study of Fixation Behavior in a Computer Game
Prediction of gaze behavior in gaming environments can be a tremendously useful asset to game designers, enabling them to improve gameplay,…
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V. Sundstedt, E. Stavrakis, M. Wimmer, E. Reinhard
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Details
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A Rigid-Body Target Design Methodology for Optical Pose-Tracking Systems
The standard method for estimating the rigid-body motion of arbitrary interaction devices with an infrared-optical tracking system involves attaching…
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T. Pintaric, H. Kaufmann
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Details
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Analysis of Historical Artistic Documentaries
The paper introduces a novel interdisciplinary project addressing the analysis of historical artistic films. The type of employed material has not…
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M. Zeppelzauer, D. Mitrovic, C. Breiteneder
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Details
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Construct3D - An Augmented Reality Application for Geometry Education
Construct3D is a three dimensional geometric construction tool specifically designed for mathematics and geometry education. We describe our efforts…
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H. Kaufmann
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Details
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Design Methodology for the SVENm Multimedia Engine
The high computational demands of modern multimedia applications such as the H.264 video coding standard pose serious challenges on current hardware…
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F. Seitner, J. Meser, G. Schedelberger, A. Wasserbauer, M. Bleyer, M. Gelautz, M. Schutti, R. Schreier, P. Vaclavik, G. Krottendorfer, G. Truhlar, T. Bauernfeind, P. Beham
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Details
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Design of a Virtual Reality Supported Test for Spatial Abilities
This paper focuses on the development of a new spatial ability test in virtual reality (VR). This test measures the ability to visualize and mentally…
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H. Kaufmann, M. Csisinko, I. Strasser, S. Strauß, I. Koller
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Development of d*star: A novel Spatial Ability Test in Virtual Environments
We present d*star, a spatial ability test in an immersive Virtual Environment. In this project we are developing a dynamic test (consisting of a…
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M. Csisinko
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Details
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Development of Multi-Core Video Decoding Platforms based on High-Level Architecture Simulations
The high computational demands of state-of-the-art video coding standards such as H.264 pose serious challenges on strongly resource-restricted…
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F. Seitner, M. Bleyer, M. Gelautz
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Details
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Easing the Formalization of Clinical Guidelines with a User-tailored, Extensible Agile Model Driven Development (AMDD)
P. Martini, K. Kaiser, S. Miksch: "Easing the Formalization of Clinical Guidelines with a User-tailored, Extensible Agile Model Driven Development…
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P. Martini, K. Kaiser, S. Miksch
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Details
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Evaluation of content-based Features for User-Centred Image Retrieval in Small Media Collections
H. Eidenberger, M. Zaharieva: "Evaluation of content-based Features for User-Centred Image Retrieval in Small Media Collections"; Talk: SPIE IS&T…
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H. Eidenberger, M. Zaharieva
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Details
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Evaluation of data-parallel splitting approaches for H.264 decoding
The high computational demands of the H.264 decoding process pose serious challenges on current processor architectures. A natural way to tackle this…
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F. Seitner, M. Bleyer, R. Schreier, M. Gelautz
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Details
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Evaluation of Different Methods for Using Colour Information in Global Stereo Matching Approaches
Global algorithms currently represent the state-of-the-art in dense stereo matching. These methods first set up an energy function. The energy…
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M. Bleyer, S. Chambon, U. Poppe, M. Gelautz
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Details
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High Resolution Matting via Interactive Trimap Segmentation
We present a new approach to the matting problem which splits the task into two steps: interactive trimap extraction followed by trimap-based alpha…
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C. Rhemann, C. Rother, A. Rav-Acha, T. Sharp
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Improving Color Modeling for Alpha Matting
This paper addresses the problem of extracting an alpha matte from a single photograph given a user-defined trimap. A crucial part of this task is…
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C. Rhemann, C. Rother, M. Gelautz
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Details
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Interactive Tools for Image-based Stereoscopic Artwork
E. Stavrakis, M. Gelautz: "Interactive Tools for Image-based Stereoscopic Artwork"; Poster: SPIE IS&T Electronic Imaging Conference, San Jose,…
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E. Stavrakis, M. Gelautz
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Details
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MapFace - A Graphical Editor to Support the Semantic Annotation of Medical Text
The mapping of medical texts to concepts of medical terminology systems is a prerequisite for many tasks of automatically processing these documents.…
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T. Gschwandtner, K. Kaiser, S. Miksch
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Details
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MapFace - An Editor for MetaMap Transfer (MMTx)
K. Kaiser, T. Gschwandtner, P. Martini: "MapFace - An Editor for MetaMap Transfer (MMTx)"; Talk: Twenty-First IEEE International Symposium on…
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K. Kaiser, T. Gschwandtner, P. Martini
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Details
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Physics Playground: Physics Education in Virtual Reality
This talk presents an immersive VR application for physics education. It utilizes a recent physics engine developed for the PC gaming market to…
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H. Kaufmann
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PlayMancer - A European Serious Gaming 3D Environment
"PlayMancer" is a EC-funded research project aiming to implement a platform for universally accessible and serious games. Within this project, Vienna…
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C. Schönauer
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Details
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Playmancer: A European Serious Gaming 3D Environment
Serious games are about to enter the medical sector to give people with behavioural or addictive disorders the ability to use them as part of health…
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E. Kalapanidas, H. Wanatabe, C. Davarakis, H. Kaufmann, F. Aranda, T. Lam, T. Ganchev, D. Konstantas
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Details
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Simple but Effective Tree Structures for Dynamic Programming-based Stereo Matching
This work describes a fast method for computing dense stereo correspondences that is capable of generating results close to the state-of-the-art. We…
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M. Bleyer, M. Gelautz
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Details
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Simulating Educational Physical Experiments in Augmented Reality
We present an augmented reality application for mechanics education. It utilizes a recent physics engine developed for the PC gaming market to…
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H. Kaufmann, B. Meyer
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Details
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SqueezeOrb: A Low-Cost Pressure-Sensitive User Input Device
This paper introduces a new low-cost pressure-sensitive user input device called "SqueezeOrb". The device is built from an assembly force-sensing…
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T. Pintaric, T. Kment, W. Spreicer
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Details
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Syntactical Negation Detection in Clinical Practice Guidelines
In clinical practice guidelines (CPGs) the medical information is stored in a narrative way. A large part of this information occurs in a negated…
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S. Gindl, K. Kaiser, S. Miksch
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Details
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Automatic Analysis - First Results in Shot Boundary Detection
The project Digital Formalism: The Vienna Vertov Collection1 is a joint effort of archivists, film- and computer scientists with the goal of gaining…
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M. Zeppelzauer, D. Mitrovic, C. Breiteneder
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Details
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Development of a High-Level Simulation Approach and Its Application to Multicore Video Decoding
In this paper, we introduce a high-level simulation methodology for the modeling of multicore video processing architectures. This method allows…
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F. Seitner, M. Bleyer, M. Gelautz, R. Beuschel
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Details
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Dynamic Differential Geometry in Education
We present an augmented reality application which introduces differential geometry in educational dynamic geometry software. New functionality such…
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H. Kaufmann
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PlayMancer: Games for Health with Accessibility in Mind
The term Serious Games has been used to describe computer and video games used as educational technology or as a vehicle for presenting or promoting…
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E. Kalapanidas, C. Davarakis, F. Aranda, S. Jiménez-Murcia, O. Kocsis, T. Ganchev, H. Kaufmann, T. Lam, D. Konstantas
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Versioning computer-interpretable guidelines: Semi-automatic modeling of `Living Guidelines´ using an information extraction method
Objective Clinical practice guidelines (CPGs) are means to provide evidence-based medical knowledge. In order to make up-to-date "best" scientific…
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K. Kaiser, S. Miksch
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Details
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Virtual Environments for Mathematics and Geometry Education
Since ancient times mathematicians and geometricians use visualisations to describe, discuss, to study and to teach mathematics. In mathematics…
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H. Kaufmann
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Details
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A Perceptually Motivated Online Benchmark for Image Matting
The availability of quantitative online benchmarks for low-level vision tasks such as stereo and optical flow has led to significant progress in the…
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C. Rhemann, C. Rother, J. Wang, M. Gelautz, P. Kohli, P. Rott
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Details
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A Stereo Approach that Handles the Matting Problem via Image Warping
We propose an algorithm that simultaneously extracts disparities and alpha matting information given a stereo image pair. Our method divides the…
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M. Bleyer, M. Gelautz, C. Rother, C. Rhemann
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Details
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An Evaluation of Interactive Image Matting Techniques Supported by Eye-Tracking
Recently, the quantitative evaluation of interactive single image matting techniques has become possible by the introduction of high-quality ground…
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C. Rhemann, M. Gelautz, B. Foelsner
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Details
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Finding the Missing Piece: Content-Based Video Comparison
The contribution of this paper consists of a framework for video comparison that allows for the analysis of different movie versions. Furthermore, a…
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M. Zaharieva, M. Zeppelzauer, D. Mitrovic, C. Breiteneder
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Details
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First Steps Towards Digital Formalism: The Vienna Vertov Collection
“Digital Formalism: The Vienna Vertov Collection” aims at a computer-aided analysis of the films of Soviet avant-garde filmmaker Dziga Vertov (1896 –…
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V. Kropf, M. Zeppelzauer, S. Hahn, D. Mitrovic
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Image Segmentation Via Iterative Geodesic Averaging
We present a simple and fast method for performing unsupervised segmentation. Our method works by centering a square window on each pixel of the…
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A. Hosni, M. Bleyer, M. Gelautz
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Details
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Local Stereo Matching Using Geodesic Support Weights
Local stereo matching has recently experienced large progress by the introduction of new support aggregation schemes. These approaches estimate a…
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A. Hosni, M. Bleyer, M. Gelautz, C. Rhemann
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Details
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Modelling Clinical Guidelines and Protocols for the Prevention of Risks Against Patient Safety
A. Seyfang, K. Kaiser, S. Miksch: "Modelling Clinical Guidelines and Protocols for the Prevention of Risks Against Patient Safety"; Talk: The XXIInd…
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A. Seyfang, K. Kaiser, S. Miksch
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Details
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New Appearance Models for Image Matting
Image matting is the task of estimating a fore- and background layer from a single image. To solve this ill posed problem, an accurate modeling of…
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D. Singaraju, C. Rother, C. Rhemann
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On Feature Selection in Environmental Sound Recognition
Given a broad set of content-based audio features, we employ principal component analysis for the composition of an optimal feature set for…
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D. Mitrovic, M. Zeppelzauer, H. Eidenberger
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Runtime-Optimised Intra-4x4 Mode-Decision for H.264/AVC Video Encoding
We describe a method that considerably improves the computational behaviour of H.264 Intra-only encoders. Such Intra-only encoders come to use in…
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H. Jordan, F. Seitner, M. Bleyer, M. Gelautz
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Details
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Temporally Consistent Disparity Maps from Uncalibrated Stereo Videos
We address the problem of computing a sequence of dense disparity maps from two synchronized video streams recorded by slightly displaced cameras.…
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M. Bleyer, M. Gelautz
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Details
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A Review of Serious Games as Psychological Support in Health
Videogames are a special form of new technologies. Initially they have been conceived for entertainment; however, during the last years, a new wave…
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A. Lopez, J. Santamaría, I. Krug, L. Gamazo, K. Gunnard, E. Kalapanidas, D. Konstantas, T. Ganchev, O. Kocsis, T. Lam, T. Raguin, C. Breiteneder, H. Kaufmann, C. Davarakis, F. Aranda, S. Jiménez-Murcia
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Digital Media - Visual Computing
M. Gelautz: "Digital Media - Visual Computing"; Talk: femIT Ringvorlesung, Innsbruck (invited); 11-25-2009.
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M. Gelautz
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Details
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Image Matting and Evaluation
M. Gelautz, C. Rhemann: "Image Matting and Evaluation"; Talk: ITG Fachtagung "Algorithmen für die Signalverarbeitung", Graz (invited); 10-02-2009.
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M. Gelautz, C. Rhemann
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Details
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Interactive Matting
Matting aims to accurately extract a foreground object out of a photograph or video and is an important operation in many image/video editing…
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C. Rhemann
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Details
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Non-photorealistic Rendering from Stereo Images
M. Gelautz, D. Markovic, E. Stavrakis: "Non-photorealistic Rendering from Stereo Images"; Talk: Technical University Prague, CMP, Seminar, Center for…
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M. Gelautz, D. Markovic, E. Stavrakis
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Details
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Von flachen Bildern zu 3D Video/TV
Bunt und bewegt sind sie ja schon, die Bilder auf unseren Bildschirmen. Was noch fehlt, um unsere Umwelt realistisch abbilden zu können, ist die…
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M. Gelautz
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Details
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Wie schaut meine Therapie aus? - Therapieplanung, -ausführung, -monitoring und -evaluierung
K. Kaiser: "Wie schaut meine Therapie aus? - Therapieplanung, -ausführung, -monitoring und -evaluierung"; Talk: Veranstaltungsreihe "Was IT alles…
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K. Kaiser
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A Novel Trajectory Clustering Approach for Motion Segmentation
We propose a novel clustering scheme for spatio-temporal segmentation of sparse motion fields obtained from feature tracking. The approach allows for…
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M. Zeppelzauer, M. Zaharieva, D. Mitrovic, C. Breiteneder
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Details
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A Spatially Varying PSF-based Prior for Alpha Matting
In this paper we considerably improve on a state-of-the-art alpha matting approach by incorporating a new prior which is based on the image formation…
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C. Rhemann, C. Rother, P. Kohli, M. Gelautz
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Details
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A Study Of Gradual Transition Detection in Historic Film Material
The detection of gradual transitions focuses on two types of approaches: unified approaches, i.e. one detector for all gradual transition types, and…
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M. Seidl, M. Zeppelzauer, C. Breiteneder
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Details
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Adaptive Methods of Kalman Filtering for Personal Positioning Systems
Kalman filtering is very efficient for data fusion, in which the definition of the process and measurement noises (i.e. the matrices Q and R,…
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E. Herrera, H. Kaufmann
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Details
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Camera Take Reconstruction
In this paper we focus on a novel issue in the field of video retrieval stemming from film analysis, namely the investigation of film montage…
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M. Zaharieva, M. Zeppelzauer, C. Breiteneder, D. Mitrovic
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Details
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Does Color Really Help in Dense Stereo Matching?
This paper investigates the role of color in global stereo matching approaches. In our evaluation study, we build various energy functions by…
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M. Bleyer, S. Chambon
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Details
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Geodesic Adaptive Support Weight Approach For Local Stereo Matching
Local stereo matching has recently experienced large progress by the introduction of new support aggregation schemes. These approaches estimate a…
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A. Hosni, M. Bleyer, M. Gelautz, C. Rhemann
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Details
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Identifying Actions Described in Clinical Practice Guidelines Using Semantic Relations
K. Kaiser, A. Seyfang, S. Miksch: "Identifying Actions Described in Clinical Practice Guidelines Using Semantic Relations"; Talk: 2nd International…
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K. Kaiser, A. Seyfang, S. Miksch
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Details
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Information Requisition for Computer-Supported Medical Care
One indispensable precondition for designing a functional software product for the modeling and execution of a computerized clinical practice…
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T. Gschwandtner, K. Kaiser, S. Miksch
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Details
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Learning an Interactive Segmentation System
Many successful applications of computer vision to image or video manipulation are interactive by nature. However, parameters of such systems are…
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H. Nickisch, C. Rother, P. Kohli, C. Rhemann
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Details
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Near Real-Time Stereo With Adaptive Support Weight Approaches
Algorithms based on the adaptive support weight strategy currently represent the state-of-the-art in local stereo matching. Unfortunately, their…
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A. Hosni, M. Bleyer, M. Gelautz
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Details
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Real-Time Edge Detection for Automated Fibre-Mat Stitching
M. Richtsfeld, A. Schöffmann, M. Vincze: "Real-Time Edge Detection for Automated Fibre-Mat Stitching"; Talk: 6th annual IEEE Conference on Automation…
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M. Richtsfeld, A. Schöffmann, M. Vincze
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Details
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Scene Segmentation in Artistic Archive Documentaries
Scene segmentation is a crucial task in the structural analysis of film. State-of-the-art scene segmentation algorithms usually target fiction films…
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D. Mitrovic, S. Hartlieb, M. Zeppelzauer, C. Breiteneder
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Details
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Supporting the Abstraction of Clinical Practice Guidelines Using Information Extraction
Modelling clinical practice guidelines in a computer-interpretable format is a challenging and complex task. The modelling process involves both…
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K. Kaiser, S. Miksch
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Details
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Surface Stereo with Soft Segmentation
This paper proposes a new stereo model which encodes the simple assumption that the scene is composed of a few, smooth surfaces. A key feature of our…
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M. Bleyer, C. Rother, P. Kohli
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Details
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VITAL - The Virtual Environment Interaction Technique Abstraction Layer
Traditionally 3D interaction techniques (3DITs) are implemented in VR applications in a proprietary way on specific target platforms. Mixing 3DIT…
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M. Csisinko, H. Kaufmann
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Details
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3D ohne Brille - Die Zukunft des Fernsehens
M. Gelautz, F. Seitner, M. Bleyer: "3D ohne Brille - Die Zukunft des Fernsehens"; Talk: Consumer Content Conference, Köln (invited); 08-17-2010.
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M. Gelautz, F. Seitner, M. Bleyer
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Details
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3D Video - Challenges and State-of-the-art Techniques
M. Gelautz: "3D Video - Challenges and State-of-the-art Techniques"; Talk: Intelligent Systems, Innsbruck (invited); 01-12-2010.
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M. Gelautz
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Details
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A Spatially Varying PSF-based Prior for Alpha Matting
C. Rhemann, C. Rother, P. Kohli, M. Gelautz: "A Spatially Varying PSF-based Prior for Alpha Matting"; Poster: International Computer Vision Summer…
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C. Rhemann, C. Rother, P. Kohli, M. Gelautz
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Details
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Digital Media - Visual Computing
M. Gelautz: "Digital Media - Visual Computing"; Talk: femIT Ringvorlesung, Linz (invited); 11-04-2010.
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M. Gelautz
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Details
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Digital Media - Visual Computing
M. Gelautz: "Digital Media - Visual Computing"; Talk: femIT Ringvorlesung, Krems (invited); 03-04-2010.
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M. Gelautz
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Details
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Digitale Bildverarbeitung: Software-Werkzeuge für 3D-Video
M. Gelautz: "Digitale Bildverarbeitung: Software-Werkzeuge für 3D-Video"; Talk: Innovationstag der Wirtschaftskammer Wien, Wien (invited); 12-09-2010.
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M. Gelautz
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Details
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Filtering for Visual Correspondance
C. Rhemann, A. Hosni, M. Bleyer, C. Rother, M. Gelautz: "Filtering for Visual Correspondance"; Talk: Microsoft Research Cambridge, Vision Meeting,…
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C. Rhemann, A. Hosni, M. Bleyer, C. Rother, M. Gelautz
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Details
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Geodesic Support Weights For Local Stereo
This paper presents a window-based method for solving the stereo matching problem. Our contribution is to introduce the concept of connectivity for…
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A. Hosni, M. Bleyer, M. Gelautz
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Details
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Improving the Energy Model of Stereo Matching Algorithms
Global stereo approaches formulate the stereo matching problem in terms of an energy function that is subject to optimization. It is known that…
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M. Bleyer
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Details
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Real-Time Tunneling Measurement based on Infrared optical Tracking (RTMIOT)
This talks describes a system to perform tunneling measurement in real time based on optical infrared tracking. This stereo measurement system,…
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A. Mossel
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Details
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Spatial Scene Reconstruction for 3D Video/TV
M. Gelautz, A. Hosni, M. Bleyer, C. Rhemann, C. Rother: "Spatial Scene Reconstruction for 3D Video/TV"; Talk: AIECS 2010, Graz (invited); 08-30-2010…
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M. Gelautz, A. Hosni, M. Bleyer, C. Rhemann, C. Rother
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Details
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Surface Stereo with Soft Segmentation (Poster presentation - ICVSS 2010)
M. Bleyer, C. Rother, P. Kohli: "Surface Stereo with Soft Segmentation (Poster presentation - ICVSS 2010)"; Poster: International Computer Vision…
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M. Bleyer, C. Rother, P. Kohli
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Details
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Surface Stereo with Soft Segmentation (Talk for best presentation award - ICVSS 2010)
M. Bleyer, C. Rother, P. Kohli: "Surface Stereo with Soft Segmentation (Talk for best presentation award - ICVSS 2010)"; Talk: International Computer…
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M. Bleyer, C. Rother, P. Kohli
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Details
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Visual Computing - 3D Szenen in Bild/Video
M. Gelautz: "Visual Computing - 3D Szenen in Bild/Video"; Talk: Gastvortrag FH Kapfenberg, Kapfenberg (invited); 06-09-2010.
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M. Gelautz
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Details
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Content generation for 3D video/TV
A lack of suitable 3D content currently constitutes a major bottleneck for transferring the recent success of 3D cinema to our home TV. In this paper…
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N. Brosch, A. Hosni, G. Ramachandran, L. He, M. Gelautz
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Details
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Evaluation of data-parallel H.264 decoding approaches for strongly resource-restricted architectures
Decoding of an H.264 video stream is a computationally demanding multimedia application which poses serious challenges on current processor…
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F. Seitner, M. Bleyer, M. Gelautz, R. Beuschel
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Details
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Film Analysis of Archive Documentaries
Film experts, archives and museums state highly demanding requirements for automated film analysis. The experimental style of archive documentaries…
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M. Zaharieva, D. Mitrovic, M. Zeppelzauer, C. Breiteneder
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Details
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Gradual transition detection in historic film material-a systematic study
The segmentation of films and videos into shots requires the detection of gradual transitions such as dissolves and fades. There are two types of…
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M. Seidl, M. Zeppelzauer, D. Mitrovic, C. Breiteneder
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Details
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Identification of ancient coins based on fusion of shape and local features
R. Huber-Mörk, S. Zambanini, M. Zaharieva, M. Kampel: "Identification of ancient coins based on fusion of shape and local features"; Machine Vision…
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R. Huber-Mörk, S. Zambanini, M. Zaharieva, M. Kampel
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Details
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Information requisition is the core of guideline-based medical care: which information is needed for whom?
Rationale, aims and objectives: It is mandatory for the design of an efficient software product to know the different groups of users of a software…
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T. Gschwandtner, K. Kaiser, S. Miksch
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Details
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Retrieval of motion composition in film
M. Zeppelzauer, M. Zaharieva, D. Mitrovic, C. Breiteneder: "Retrieval of motion composition in film"; Digital Creativity, 22 (2011), 4; 219 - 234.
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M. Zeppelzauer, M. Zaharieva, D. Mitrovic, C. Breiteneder
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Details
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A Global Sampling Method for Alpha Matting
Alpha matting refers to the problem of softly extracting the foreground from an image. Given a trimap (specifying known foreground/background and…
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K. He, C. Rhemann, C. Rother, X. Tang, J. Sun
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Details
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Action scene detection from motion and events
Action scenes usually contain higher motion activity than other scenes in feature films while showing events like fights, gun shots and car crashes.…
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R. Sorschag, M. Hörhan
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Details
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CareCruiser: Exploring and Visualizing Plans, Events, and Effects Interactively
In recent years, sophisticated visualization methods have been developed to support both, the logical structure and the time-oriented aspects of…
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T. Gschwandtner, W. Aigner, K. Kaiser, S. Miksch, A. Seyfang
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Details
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Chronic Pain Rehabilitation with a Serious Game using Multimodal Input
Rehabilitation for chronic pain follows a multidisciplinary approach, which despite the effort, often lacks the long term success and patients often…
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C. Schönauer, T. Pintaric, H. Kaufmann, S. Jansen-Kosterink, M. Vollenbroek-Hutten
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Details
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CORI: A Configurable Object Recognition Infrastructure
In this work, we present an object recognition infrastructure that can be adapted to the needs of a broad spectrum of tasks without writing a single…
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R. Sorschag
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Details
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Cross-Modal Analysis of Audio-Visual Film Montage
A stylistic device frequently employed by filmmakers is the synchronous montage (composition) of audio and visual elements. Synchronous montage helps…
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M. Zeppelzauer, D. Mitrovic, C. Breiteneder
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Details
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Cutting the Cord: Wireless Mixed Reality Displays
In this paper we present wireless technologies that can be used to transmit uncompressed stereoscopic video signals to wireless displays in real…
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M. Csisinko, H. Kaufmann
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Details
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Deep Web Integrated Systems: Current Achievements and Open Issues
The problem of extracting data that resides in the deep Web has become the center of many research efforts in the recent few years. The challenges in…
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B. El-Gamil, W. Winiwarter, B. Božić, H. Wahl
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Details
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Design and Evaluation of an Interactive Visualization of Therapy Plans and Patient Data
CareCruiser is a system designed to visualize the effects of applying clinical treatment plans and to support the exploration of the effects that the…
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T. Gschwandtner, W. Aigner, K. Kaiser, S. Miksch, A. Seyfang
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Details
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Detection and Classification of Petroglyphs in Gigapixel Images
With the advances of digital photography, the number of high quality images of rock panels containing petroglyphs grows steadily. Different…
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M. Seidl, C. Breiteneder
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Details
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Fast Cost-Volume Filtering for Visual Correspondence and Beyond
Many computer vision tasks can be formulated as labeling problems. The desired solution is often a spatially smooth labeling where label transitions…
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C. Rhemann, A. Hosni, M. Bleyer, C. Rother, M. Gelautz
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Details
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Full body interaction for serious games in motor rehabilitation
Serious games and especially their use in healthcare applications are an active and rapidly growing area of research. A key aspect of games in…
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C. Schönauer, T. Pintaric, H. Kaufmann
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Details
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Object Removal by Depth-guided Inpainting
Object removal by image inpainting aims at the visual uniformity of the inpainted blanks among their surroundings. Most inpainting algorithms pursue…
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L. He, M. Bleyer, M. Gelautz
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Details
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Object Stereo - Joint Stereo Matching and Object Segmentation
This paper presents a method for joint stereo matching and object segmentation. In our approach a 3D scene is represented as a collection of visually…
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M. Bleyer, C. Rother, P. Kohli, D. Scharstein, S. Sinha
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Details
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PatchMatch Stereo - Stereo Matching with Slanted Support Windows
Common local stereo methods match support windows at integer-valued disparities. The implicit assumption that pixels within the support region have…
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M. Bleyer, C. Rhemann, C. Rother
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Details
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Quality Assurance for Data from Low-Tech Participants in Distributed Automation Engineering Environments
Participants in modern automation engineering projects typically work distributed and in parallel. Therefore, there are advanced approaches for…
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R. Mordinyi, A. Pacha, S. Biffl
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Details
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Real-time Local Stereo Matching Using Guided Image Filtering
Adaptive support weight algorithms represent the state-of-the-art in local stereo matching. Their limitation is a high computational demand, which…
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A. Hosni, M. Bleyer, C. Rhemann, M. Gelautz, C. Rother
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Details
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Retrieval of Visual Composition in Film
The spatial arrangement of visual elements of an image, i.e. the visual composition, is a research subject in the domain of visual arts which include…
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D. Mitrovic, M. Zeppelzauer, M. Zaharieva, C. Breiteneder
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Details
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Segmentation-Based Depth Propagation in Videos
In this paper we propose a simple yet effective approach to convert existing 2D video content into 3D. We present a new semi-automatic algorithm that…
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N. Brosch, C. Rhemann, M. Gelautz
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Details
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Supporting Knowledge Modelling by Multi-modal Learning: Defining the Requirements
A persistent problem faced in modelling medical knowledge is the required combination of skills from the fields of computer science and medicine. The…
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K. Kaiser, A. Seyfang
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Details
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Temporally Consistent Disparity and Optical Flow via Efficient Spatio-temporal Filtering
Abstract. This paper presents a new efficient algorithm for computing temporally consistent disparity maps from video footage. Our method is…
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A. Hosni, C. Rhemann, M. Bleyer, M. Gelautz
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Details
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Temporally Consistent Disparity and Optical Flow via Efficient Spatio-temporal Filtering
This paper presents a new efficient algorithm for computing temporally consistent disparity maps from video footage. Our method is motivated by…
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A. Hosni, C. Rhemann, M. Bleyer, M. Gelautz
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Details
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A Framework for the Design and Development of Multimodal Interaction on Multi-touch Surfaces
F. Pilz: "A Framework for the Design and Development of Multimodal Interaction on Multi-touch Surfaces"; Supervisor: H. Kaufmann; 188/2, 2011.
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F. Pilz
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A Vision-Based System for Fingertip Detection on Tracked Interactive Surfaces
M. Autengruber: "A Vision-Based System for Fingertip Detection on Tracked Interactive Surfaces"; Supervisor: H. Kaufmann; 188/2, 2011.
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M. Autengruber
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Details
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Bestimmung von Hominoidsegmenten aus 3D-Bodyscannerdaten
K. Schiffl: "Bestimmung von Hominoidsegmenten aus 3D-Bodyscannerdaten"; Supervisor: M. Gelautz, A. Baca; Institute of Software Technology and…
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K. Schiffl
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Details
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Design eines interaktiven taktilen Shape Displays mittels Schrittmotoren und dem Bowdenzug-Konzept
J. Weissenböck: "Design eines interaktiven taktilen Shape Displays mittels Schrittmotoren und dem Bowdenzug-Konzept"; Supervisor: H. Kaufmann; 188/2,…
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J. Weissenböck
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Details
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Development of an Active Motion Capture Suit for Teaching Motion Skills
Current multimedia support for teaching and practicing motion skills is usually limited to video and two-dimensional graphics. Especially in areas…
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G. Gerstweiler, E. Vonach
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Details
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Die Bedeutung von Alpha-Matting für die Darstellung von Bildern auf 3D-Bildschirmen: eine Benutzerstudie
S. Arnberger: "Die Bedeutung von Alpha-Matting für die Darstellung von Bildern auf 3D-Bildschirmen: eine Benutzerstudie"; Supervisor: M. Gelautz, C.…
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S. Arnberger
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Details
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Echtzeitansätze in der Stereoanalyse
C. Czermak: "Echtzeitansätze in der Stereoanalyse"; Supervisor: M. Bleyer, M. Gelautz; Institute of Software Technology and Interactive Systems, 2011.
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C. Czermak
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Effiziente kantenerhaltende Glättung und ihre Anwendung in der Praxis
G. Braun: "Effiziente kantenerhaltende Glättung und ihre Anwendung in der Praxis"; Supervisor: M. Bleyer, M. Gelautz; Institute of Software…
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G. Braun
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Entwicklung eines multitouchfähigen Schaufensters
M. Grünling: "Entwicklung eines multitouchfähigen Schaufensters"; Supervisor: H. Kaufmann; 188/2, 2011.
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M. Grünling
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Details
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Erstellung eines Datensatzes zur Evaluierung von Stereo-Matching-Algorithmen
B. Gneiss: "Erstellung eines Datensatzes zur Evaluierung von Stereo-Matching-Algorithmen"; Supervisor: M. Gelautz, C. Rhemann; 188/2, 2011.
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B. Gneiss
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Evaluierung und Entwurf von Epipolarrektifizierungsverfahren zur Verwendung in einem Stereovision Framework
A. Bogner: "Evaluierung und Entwurf von Epipolarrektifizierungsverfahren zur Verwendung in einem Stereovision Framework"; Supervisor: M. Bleyer, C.…
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A. Bogner
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Details
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Evaluierung von Algorithmen zur Novel-View-Generierung aus Stereobildern
M. Eisenbarth: "Evaluierung von Algorithmen zur Novel-View-Generierung aus Stereobildern"; Supervisor: M. Gelautz, F. Seitner; Institute of Software…
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M. Eisenbarth
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Details
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Event-Driven 3D Vision for Human Activity Analysis in Context of Dance and Fitness Training of Elderly People
Over the last years many implementations concerning the recognition of human motion have been developed. In doing so different systems for human…
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T. Hahn
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Details
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Features in visual media analysis
Today, film analysis is still a tedious process performed mostly manually by film experts. Existing computer vision approaches aim at improved…
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M. Zaharieva
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Interactive image segmentation in higher order graphs
D. Antensteiner: "Interactive image segmentation in higher order graphs"; Supervisor: M. Gelautz, C. Rhemann; 188/2, 2011.
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D. Antensteiner
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Details
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Rauschunterdrückung einer nicht ausgerichteten Bildfolge
R. Kloibhofer: "Rauschunterdrückung einer nicht ausgerichteten Bildfolge"; Supervisor: M. Gelautz, C. Rhemann; 188/2, 2011.
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R. Kloibhofer
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Details
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Real-Time Stereo Matching for Embedded Systems in Robotic Applications
C. Humenberger: "Real-Time Stereo Matching for Embedded Systems in Robotic Applications"; Supervisor, Reviewer: M. Vincze, M. Gelautz; E376, 2011;…
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M. Humenberger
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Details
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Syntactic and Semantic Concepts in Audio-Visual Media
In recent years tremendous amounts of audio-visual media have become available to the public and increased the demand for efficient access and…
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D. Mitrovic, M. Zeppelzauer
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Details
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A Flexible Object-of-Interest Annotation Framework for Online Video Portals
In this work, we address the use of object recognition techniques to annotate what is shown where in online video collections. These annotations are…
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R. Sorschag
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Details
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Archive Film Material - A novel Challenge for Automated Film Analysis
M. Zeppelzauer, D. Mitrovic, C. Breiteneder: "Archive Film Material - A novel Challenge for Automated Film Analysis"; The Frames Cinema Journal, 1…
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M. Zeppelzauer, D. Mitrovic, C. Breiteneder
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Details
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ARTiFICe - Augmented Reality Framework for Distributed Collaboration
This paper introduces a flexible and powerful software framework based on an off the shelf game engine which is used to develop distributed and…
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A. Mossel, C. Schönauer, G. Gerstweiler, H. Kaufmann
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Details
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User-Centric Learning and Evaluation of Interactive Segmentation Systems
Many successful applications of computer vision to image or video manipulation are interactive by nature. However, parameters of such systems are…
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P. Kohli, H. Nickisch, C. Rother, C. Rhemann
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Details
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Visualizing Sound Emission of Elephant Vocalizations: Evidence for Two Rumble Production Types
Recent comparative data reveal that formant frequencies are cues to body size in animals, due to a close relationship between formant frequency…
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A. Stöger, G. Heilmann, M. Zeppelzauer, A. Ganswindt, S. Hensman, B. Charlton
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Details
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A Generic Approach for Social Event Detection in Large Photo Collections
In this paper we explore the performance of a generic methodology for the detection of social events in large photo collections. The proposed…
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M. Zeppelzauer, M. Zaharieva, C. Breiteneder
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Details
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Accuracy-Efficiency Evaluation of Adaptive Support Weight Techniques For Local Stereo Matching
Adaptive support weight (ASW) strategies in local stereo matching have recently attracted many researchers due to their compelling results. In this…
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A. Hosni, M. Gelautz, M. Bleyer
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Details
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Applications of Virtual and Augmented Reality in Healthcare
Augmented Reality (AR) combines the real and the virtual and is interactive in real-time. In addition, virtual and real objects are registered in 3D…
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H. Kaufmann
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Details
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AR Record & Replay: Situated Compositing of Video Content in Mobile Augmented Reality
In this paper we present a novel approach to record and replay video content composited in-situ with a live view of the real environment. Our…
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T. Langlotz, M. Zingerle, R. Grasset, H. Kaufmann, G. Reitmayr
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Details
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Automated Petroglyph Image Segmentation with Interactive Classifier Fusion
The number of high quality images of rock panels containing petroglyphs grows steadily. Different time-consuming manual methods to determine and…
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M. Seidl, C. Breiteneder
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Details
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Design eines Serious Games für die Rehabilitation von chronischen Rückenschmerzen
Die Rehabilitation von Patienten mit chronischen Rückenschmerzen verfolgt einen multidisziplinären Ansatz, welcher trotz des betriebenen Aufwandes…
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C. Schönauer, H. Kaufmann, S. Jansen-Kosterink, M. Vollenbroek-Hutten
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Details
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Event-driven Body Motion Analysis For Real-time Gesture Recognition
This paper presents an evaluation of spatiotemporal data generated by a dynamic stereo vision sensor in a highdimensional space (3D volume and time)…
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B. Kohn, A. Belbachir, T. Hahn, H. Kaufmann
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Details
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Extracting 3D Scene-consistent Object Proposals and Depth from Stereo Images
This work combines two active areas of research in computer vision: unsupervised object extraction from a single image, and depth estimation from a…
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M. Bleyer, C. Rhemann, C. Rother
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Details
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Full Body Motion Capture - A Flexible Marker Based Solution
Full body motion capture (MoCap) plays an increasingly im-portant role in many fields from entertainment to medicine. How-ever, accurate motion…
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C. Schönauer, T. Pintaric, H. Kaufmann
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Details
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High-Quality Reflections, Refractions, and Caustics in Augmented Reality and their Contribution to Visual Coherence
In this paper we present a novel high-quality rendering system for Augmented Reality (AR). We study ray-tracing based rendering techniques in AR with…
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P. Kán, H. Kaufmann
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Details
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How to Select and Customize Object Recognition Approaches for an Application?
Recently, object recognition has been successfully implemented in a couple of multimedia content annotation and retrieval applications. The employed…
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R. Sorschag
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Details
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Motion Segmentation in Videos from Time of Flight Cameras
This paper investigates motion estimation and segmentation of independently moving objects in video sequences from a range camera. Specifically, we…
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S. Ghuffar, N. Brosch, N. Pfeifer, M. Gelautz
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Details
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Multimodal Motion Guidance: Techniques for Adaptive and Dynamic Feedback
The ability to guide human motion through automatically generated feedback has significant potential for applications in areas, such as motor…
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C. Schönauer, K. Fukushi, A. Olwal, H. Kaufmann, R. Raskar
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Details
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Physically-Based Depth of Field in Augmented Reality
We present a novel method for rendering and compositing video in augmented reality. We focus on calculating the physically correct result of the…
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P. Kán, H. Kaufmann
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Details
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Quality Analysis of Virtual Views on Stereoscopic Video Content
Depth Image-Based Rendering (DIBR) allows the creation of virtual camera viewpoints from a 2D image and its corresponding disparity map. This enables…
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M. Eisenbarth, F. Seitner, M. Gelautz
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Details
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Recurring Element Detection in Movies
Recurring elements in movies contribute significantly to the development of narration, themes, or even mood. The detection of such elements is…
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M. Zaharieva, C. Breiteneder
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Details
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Semi-Local Features for the Classification of Segmented Objects
Image features are usually extracted globally from whole images or locally from regions-of-interest. We propose different approaches to extract…
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R. Sorschag
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Details
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Spatio-temporally Coherent Interactive Video Object Segmentation via Efficient Filtering
In this paper we propose a fast, interactive object segmentation and matting framework for videos that allows users to extract objects from a video…
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N. Brosch, A. Hosni, C. Rhemann, M. Gelautz
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Details
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Spatiotemporal Multiple Persons Tracking Using Dynamic Vision Sensor
Although motion analysis has been extensively investigated in the literature and a wide variety of tracking algorithms have been proposed, the…
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E. Piatkowska, A. Belbachir, S. Schraml, M. Gelautz
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Details
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A Serious Exergame for Patients Suffering from Chronic Musculoskeletal Back and Neck Pain: A Pilot Study
Introduction: Over recent years, the popularity of videogames has gone beyond youth and gamers and is slowly entering the field of professional…
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S. Jansen-Kosterink, R. Veld, C. Schönauer, H. Kaufmann, H. Hermens, M. Vollenbroek-Hutten
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Details
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Automated detection of elephants in wildlife video
Biologists often have to investigate large amounts of video in behavioral studies of animals. These videos are usually not sufficiently indexed which…
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M. Zeppelzauer
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Details
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Fast Cost-Volume Filtering for Visual Correspondence and Beyond
Many computer vision tasks can be formulated as labeling problems. The desired solution is often a spatially smooth labeling where label transitions…
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A. Hosni, C. Rhemann, M. Bleyer, C. Rother, M. Gelautz
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Details
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Improving Data Fusion in Personal Positioning Systems for Outdoor Environments
A fault detection and correction methodology for personal positioning systems for outdoor environments is presented. We demonstrate its successful…
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E. Herrera, H. Kaufmann, J. Secue, R. Quiros, G. Fabregat
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Details
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Local Color Transfer between Images Using Dominant Colors
A color-transfer method that can transfer colors of an image to another for the local regions using their dominant colors is proposed. In order to…
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J. Yoo, M. Park, J. Cho, K. Lee
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Details
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Qualität nach Maß
Vertraglich festgelegte Preise können durch das Gewährleistungsrecht in Frage gestellt werden. In der Auftrags-Softwareentwicklung ist ein…
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H. Eidenberger
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Details
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Secrets of Adaptive Support Weight Techniques for Local Stereo Matching
In recent years, local stereo matching algorithms have again become very popular in the stereo community. This is mainly due to the introduction of…
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A. Hosni, M. Bleyer, M. Gelautz
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Details
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Wide Area Motion Tracking Using Consumer Hardware
In this paper, we present a wide area tracking system based on consumer hardware and available motion capture modules and middleware. We are using…
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C. Schönauer, H. Kaufmann
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Details
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15 Years of VR/AR in Education - A Personal Summary and Outlook
15 Years of VR/AR in Education - A Personal Summary and Outlook
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H. Kaufmann
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Details
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3D Building Reconstruction and Thermal Mapping in Fire Brigade Operations
Fire fighting remains a dangerous profession despite many recent technological and organizational measures. Sensors and technical systems can augment…
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C. Schönauer, E. Vonach, G. Gerstweiler, H. Kaufmann
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Details
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3D Building Reconstruction and Thermal Mapping in Fire Brigade Operations
Fire fighting remains a dangerous profession despite many recent technological and organizational measures. Sensors and technical systems can augment…
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C. Schönauer, E. Vonach, G. Gerstweiler, H. Kaufmann
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Details
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3DTouch and HOMER-S: Intuitive Manipulation Techniques for One-Handed Handheld Augmented Reality
Existing interaction techniques for mobile AR often use the multi-touch capabilities of the device´s display for object selection and manipulation.…
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B. Venditti, H. Kaufmann, A. Mossel
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Details
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A framework for HDR stereo matching using multi-exposed images
Real world scenes that contain high dynamic range illumination present a special challenge for stereo matching algorithms due to a lack of texture in…
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T. Akhavan, H. Yoo, M. Gelautz
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Details
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Accelerating Structured Web Crawling without Losing Data
Size of retrieved data versus crawling time formulate a well- known dilemma in the structured Web crawling community. The real challenge within this…
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B. El-Gamil, W. Winiwarter
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Details
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Acoustic Detection of Elephant Presence in Noisy Environments
The automated acoustic detection of elephants is an important factor in alleviating the human-elephant conflict in Asia and Africa. In this paper, we…
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M. Zeppelzauer, A. Stöger, C. Breiteneder
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Details
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Asynchronous Stereo Vision for Event-Driven Dynamic Stereo Sensor Using an Adaptive Cooperative Approach
This paper presents an adaptive cooperative approach towards the 3D reconstruction tailored for a bio-inspired depth camera: the stereo dynamic…
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E. Piatkowska, A. Belbachir, M. Gelautz
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Details
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Automated Social Event Detection in Large Photo Collections
M. Zaharieva, M. Zeppelzauer, C. Breiteneder: "Automated Social Event Detection in Large Photo Collections"; in: "ICMR '13 Proceedings of the 3rd ACM…
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M. Zaharieva, M. Zeppelzauer, C. Breiteneder
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Details
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Autonomous Flight using a Smartphone as On-Board Processing Unit in GPS-Denied Environments
In this paper, we present a low-weight and low-cost Unmanned Aerial Vehicle (UAV) for autonomous flight and navigation in GPS-denied environments…
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M. Leichtfried, C. Kaltenriner, A. Mossel, H. Kaufmann
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Details
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Depth Map Inpainting and Super-Resolution based on Internal Statistics of Geometry and Appearance
Depth maps captured by multiple sensors often suffer from poor resolution and missing pixels caused by low reflectivity and occlusions in the scene.…
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S. Ikehata, J. Cho, K. Aizawa
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Details
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Depth Map Upsampling using Cost-Volume Filtering
Depth maps captured by active sensors (e.g., ToF cameras and Kinect) typically suffer from poor spatial resolution, considerable amount of noise, and…
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J. Cho, S. Ikehata, H. Yoo, M. Gelautz, K. Aizawa
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Details
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Depth Super Resolution by Rigid Body Self-Similarity in 3D
We tackle the problem of jointly increasing the spatial resolution and apparent measurement accuracy of an input low-resolution, noisy, and perhaps…
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M. Hornacek, C. Rhemann, M. Gelautz, C. Rother
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Details
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Differential Irradiance Caching for Fast High-Quality Light Transport Between Virtual and Real Worlds
Fast and realistic synthesis of real videos with computer generated content has been a challenging problem in computer graphics. It involves…
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P. Kán, H. Kaufmann
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Details
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Differential Progressive Path Tracing for High-Quality Previsualization and Relighting in Augmented Reality
In this paper we present a novel method for real-time high quality previsualization and cinematic relighting. The physically based Path Tracing…
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P. Kán, H. Kaufmann
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Details
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DrillSample: Precise Selection in Dense Handheld Augmented Reality Environments
One of the primary tasks in a dense mobile augmented reality (AR) environment is to ensure precise selection of an object, even if it is occluded or…
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A. Mossel, B. Venditti, H. Kaufmann
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Details
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Flexible Spaces: Dynamic Layout Generation for Infinite Walking in Virtual Environments
Redirected walking techniques enable natural locomotion through immersive virtual environments (VEs) that are larger than the real world workspace.…
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K. Vasylevska, H. Kaufmann, E. Suma, M. Bolas
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Details
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Ground Truth Evaluation for Event-Based Silicon Retina Stereo Data
In this paper we present a new approach for the evaluation of event-based Silicon Retina stereo matching results. The evaluation of stereo matching…
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J. Kogler, F. Eibensteiner, M. Humenberger, M. Gelautz, J. Scharinger
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Details
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Identifying Condition-Action Sentences Using a Heuristic-based Information Extraction Method
R. Wenzina, K. Kaiser: "Identifying Condition-Action Sentences Using a Heuristic-based Information Extraction Method"; Talk: Workshop on Knowledge…
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R. Wenzina, K. Kaiser
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Details
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New Content-Based Features for the Distinction of Violent Videos and Martial Arts
Real violence is unwanted content in video portals as it is forensically relevant in video surveillance systems. Naturally, both domains have to deal…
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M. Hörhan, H. Eidenberger
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Details
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Parallel Tracking and Mapping in Hofburg Festsaal
Precise localization for mobile Augmented Reality in large indoor environments without specific tracking infrastructure is challenging. This is…
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G. Gerstweiler, H. Kaufmann, C. Schönauer, E. Vonach
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Details
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PS Move API: A Cross-Platform 6DoF Tracking Framework
With the introduction of 6DoF motion controllers for game consoles, low cost hardware for 3D interaction became widely available. However, no…
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T. Perl, B. Venditti, H. Kaufmann
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Details
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Supporting Computer-Interpretable Guidelines' Modeling by Automatically Classifying Clinical Actions
A. Minard, K. Kaiser: "Supporting Computer-Interpretable Guidelines' Modeling by Automatically Classifying Clinical Actions"; Talk: Workshop on…
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A. Minard, K. Kaiser
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Details
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The Sorcerer's Apprentice: A serious game aiding rehabilitation in the context of Subacromial Impingement Syndrome
Serious games can help to improve efficacy of motor rehabilitation especially in a home environment. We introduce "The Sorcerer's Apprentice", a…
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P. Fikar, C. Schönauer, H. Kaufmann
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Details
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Unsupervised Clustering of Social Events
This paper describes our contribution to the social event de- tection (SED) task of the MediaEval Benchmark 2013. We present a robust unsupervised…
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M. Zeppelzauer, M. Zaharieva, M. Fabro
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Details
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Visualizing Complex Process Hierarchies During the Modeling Process
Clinical practice guidelines are documents that include recommendations describing appropriate care for the management of patients with a specific…
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A. Seyfang, K. Kaiser, T. Gschwandtner, S. Miksch
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Details
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Wide Area Optical User Tracking in Unconstrained Indoor Environments
In this paper, we present a robust infrared optical 3D position tracking for wide area indoor environments up to 30m. The system consists of two…
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A. Mossel, H. Kaufmann
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Details
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3D Film/TV - Research and Challenges
In this talk we address the topic of 3D scene reconstruction from stereo views in the context of 3D film/TV applications. After an introduction into…
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M. Gelautz
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Details
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Augmented Reality
H. Kaufmann: "Augmented Reality"; Keynote Lecture: Funkenflug - Innovationsforum Völkerkundemuseum, Welt Museum Wien (invited); 01-10-2013.
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H. Kaufmann
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Details
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Augmented Reality Technologien und Industrielle Anwendungsmöglichkeiten
Augmented Reality Technologien und Industrielle Anwendungsmöglichkeiten
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H. Kaufmann
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Details
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Dense RGB-D Correspondence Search at Large Displacement (talk)
M. Hornacek: "Dense RGB-D Correspondence Search at Large Displacement (talk)"; Talk: Talk an der TU Dresden, Dresden, Deutschland; 12-20-2013.
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M. Hornacek
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Details
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Depth Super Resolution by Rigid Body Self-Similarity in 3D (talk)
M. Hornacek: "Depth Super Resolution by Rigid Body Self-Similarity in 3D (talk)"; Talk: Wissenschaftlicher Vortrag am University College London,…
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M. Hornacek
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Details
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Depth Super Resolution by Rigid Body Self-Similarity in 3D (talk)
M. Hornacek: "Depth Super Resolution by Rigid Body Self-Similarity in 3D (talk)"; Talk: Wissenschaftlicher Vortrag am McGill University, Montreal,…
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M. Hornacek
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Details
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Depth Super Resolution by Rigid Body Self-Similarity in 3D (talk)
M. Hornacek: "Depth Super Resolution by Rigid Body Self-Similarity in 3D (talk)"; Talk: VRVis Forum, Wien; 07-25-2013.
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M. Hornacek
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Details
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Education in Augmented Reality
H. Kaufmann: "Education in Augmented Reality"; Talk: The Visual Language of Technique between Science and Art: Heritage and Expectations in Research…
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H. Kaufmann
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Details
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Flexible Spaces: A Virtual Step Outside of Reality
In this paper we introduce the concept of flexible spaces - a novel redirection technique that generalizes the use of overlapping (impossible) spaces…
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K. Vasylevska, H. Kaufmann, M. Bolas, E. Suma
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Details
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Image and Video Matting (ICCV 2013 Tutorial)
Matting refers to the problem of accurate extraction of foreground objects in images and video, which plays a fundamental role in image and video…
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E. Varnousfaderan, M. Gelautz, B. Price, J. Cho
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Details
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Recent Advances in Local Stereo Matching
In this talk we address recent research in the field of local stereo matching, with a focus on adaptive support weight algorithms. In particular, we…
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M. Gelautz
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Details
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Robust Long-Range Optical Tracking for Tunneling Measurement Tasks
Over the last years, automation for tunnel construction and mining activities increased rapidly. To allow for enhanced tunneling measurement,…
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A. Mossel, G. Gerstweiler, E. Vonach, K. Chmelina, H. Kaufmann
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Details
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SphereFlow: 6 DoF Scene Flow from RGB-D Pairs (talk)
M. Hornacek: "SphereFlow: 6 DoF Scene Flow from RGB-D Pairs (talk)"; Talk: Annual Workshop of the Austrian Association for Pattern Recognition,…
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M. Hornacek
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Details
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Supporting methods for modeling computer-interpretable guidelines
Today's healthcare is faced with ever new challenges: longer life expectancy, rising costs, rapid development of new medical methods and scientific…
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K. Kaiser
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Details
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Virtual- and Augmented Reality in Education
H. Kaufmann: "Virtual- and Augmented Reality in Education"; Talk: Intel Webinar, Internet (invited); 09-04-2013.
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H. Kaufmann
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Details
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Age-group estimation in free-ranging African elephants based on acoustic cues of low-frequency rumbles
A. Stöger, M. Zeppelzauer, A. Baotic: "Age-group estimation in free-ranging African elephants based on acoustic cues of low-frequency rumbles";…
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A. Stöger, M. Zeppelzauer, A. Baotic
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Details
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Cooperative and asynchronous stereo vision for dynamic vision sensors
Dynamic vision sensors (DVSs) encode visual input as a stream of events generated upon relative light intensity changes in the scene. These sensors…
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E. Piatkowska, A. Belbachir, M. Gelautz
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Details
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Enhancement of sparse Silicon Retina-based stereo matching using Belief Propagation and Two-Stage Post-Filtering
We present two improvement techniques for stereo matching algorithms using silicon retina sensors. We verify the results with ground truth data. In…
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J. Kogler, F. Eibensteiner, M. Humenberger, C. Sulzbachner, M. Gelautz, J. Scharinger
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Details
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Motion estimation and segmentation in depth and intensity videos
This paper investigates motion estimation and segmentation of independently moving objects in video sequences that contain depth and intensity…
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S. Ghuffar, N. Brosch, N. Pfeifer, M. Gelautz
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Details
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SmartCopter - Enabling Autonomous Flight in Indoor Environments with a Smartphone as On-Board Processing Unit
We present a low-cost Unmanned Aerial Vehicle (UAV) for autonomous flight and navigation in GPS-denied environments using an off-the-shelf smartphone…
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A. Mossel, M. Leichtfried, C. Kaltenriener, H. Kaufmann
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Details
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Software ohne Gewähr
Wer glaubt, dass der Markt allein den Preis einer Software bestimmt, der negiert wesentliche Aspekte des Rechtsgeschäfts…
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H. Eidenberger
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Details
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Towards an automated acoustic detection system for free-ranging elephants
M. Zeppelzauer, S. Hensman, A. Stöger: "Towards an automated acoustic detection system for free-ranging elephants"; Bioacoustics-The International…
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M. Zeppelzauer, S. Hensman, A. Stöger
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Details
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Vision-Based Long-Range 3D Tracking, applied to Underground Surveying Tasks
To address the need of highly automated positioning systems in underground construction, we present a long-range 3D tracking system based on infrared…
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A. Mossel, G. Gerstweiler, E. Vonach, K. Chmelina, H. Kaufmann
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A Unified Framework for Retrieving Diverse Social Images
In this paper we explore the performance of a generic, unified framework for the retrieval of relevant and diverse images from social photo…
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M. Zaharieva, P. Schwab
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ACTO: A Modular Actuated Tangible User Interface Object
We introduce a customizable, reusable actuated tangible user interface object: ACTO. Its modular design allows quick adaptations for different…
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E. Vonach, G. Gerstweiler, H. Kaufmann
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Clustering and Retrieval of Social Events in Flickr
This paper describes our contributions to the Social Event Detection (SED) task as part of the MediaEval Benchmark 2014. We first present an…
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M. Zaharieva, P. Schopfhauser, M. Fabro, M. Zeppelzauer
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Depth Map Post-Processing for Depth-Image-Based Rendering: A User Study
We analyse the impact of depth map post-processing techniques on the visual quality of stereo pairs that contain a novel view. To this end, we…
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M. Nezveda, N. Brosch, F. Seitner, M. Gelautz
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Development of Tests to Evaluate the Sensory Abilities of Children with Autism Spectrum Disorder using Touch and Force Sensors
An emerging line of research that attempts to reveal underlying mechanisms of Autism Spectrum Disorder (ASD) studies differences in sensory…
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M. Riederer, C. Schönauer, H. Kaufmann, E. Söchting, C. Lamm
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Echtzeitvermessung mit Infrarottrackingkameras - Untersuchung einer neuen Messtechnik für untertage
K. Chmelina, A. Mossel, H. Kaufmann: "Echtzeitvermessung mit Infrarottrackingkameras - Untersuchung einer neuen Messtechnik für untertage"; in:…
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K. Chmelina, A. Mossel, H. Kaufmann
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Efficient Depth Propagation in Videos with GPU-acceleration
In this paper we propose an optimized semi-automatic approach for efficient 2D-to-3D video conversion. It is based on a conversion algorithm [1] that…
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M. Ivancsics, N. Brosch, M. Gelautz
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Efficient quality enhancement of disparity maps based on alpha matting
We propose an efficient disparity map enhancement method that improves the alignment of disparity edges and color edges even in the presence of mixed…
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N. Brosch, M. Nezveda, M. Gelautz, F. Seitner
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Evaluating RGB+D Hand Posture Detection Methods for Mobile 3D Interaction
In mobile applications it is crucial to provide intuitive means for 2D and 3D interaction. A large number of techniques exist to support a natural…
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D. Fritz, A. Mossel, H. Kaufmann
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Evaluation of LDR, Tone Mapped and HDR Stereo Matching Using Cost-volume Filtering Approach
We present stereo matching solutions based on a fast costvolume filtering approach for High Dynamic Range (HDR) scenes. Multi-exposed stereo images…
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T. Akhavan, H. Yoo, M. Gelautz
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Gestalt Interest Points for Image Description in Weight-Invariant Face Recognition
In this work, we propose two improvements of the Gestalt Interest Points (GIP) algorithm for the recognition of faces of people that have underwent…
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M. Hörhan, H. Eidenberger
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Graph-based Similarity of Petroglyphs
M. Seidl, E. Wieser, M. Zeppelzauer, A. Pinz, C. Breiteneder: "Graph-based Similarity of Petroglyphs"; in: "VISART "Where Computer Vision Meets…
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M. Seidl, E. Wieser, M. Zeppelzauer, A. Pinz, C. Breiteneder
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Highly Overparameterized Optical Flow Using PatchMatch Belief Propagation
Motion in the image plane is ultimately a function of 3D motion in space. We propose to compute optical flow using what is ostensibly an extreme…
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M. Hornacek, F. Besse, J. Kautz, A. Fitzgibbon, C. Rother
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Influence of Vertical Navigation Metaphors on Presence
A sense of spatial presence as a feeling of "being there" is an important part of the virtual experience. Navigation is a fundamental task in virtual…
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K. Vasylevska, H. Kaufmann
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Multimodal Synchronization of Image Galleries
This paper describes our contribution to the MediaEval 2014 task on the Synchronization of multi-user Event Media (SEM). We propose two multimodal…
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M. Zaharieva, M. Riegler, M. Fabro
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Real-Time Machine Guidance with Tracking Cameras
Mining and tunneling processes are more and more automatized, mechanized and speeded up. Machines, such as roadheaders, jumbos, dredgers, loaders…
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K. Chmelina, E. Lammer, A. Mossel, H. Kaufmann
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SphereFlow: 6 DoF Scene Flow from RGB-D Pairs
We take a new approach to computing dense scene flow between a pair of consecutive RGB-D frames. We exploit the availability of depth data by seeking…
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M. Hornacek, A. Fitzgibbon, C. Rother
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Stereo HDR Disparity Map Computation Using Structured Light
In this paper, we present work in progress towards the generation of a ground truth data set for High Dynamic Range (HDR) stereo matching. The…
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T. Akhavan, C. Kapeller, J. Cho, M. Gelautz
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The Effects of Direct and Global Illumination on Presence in Augmented Reality
In this paper we present an experiment, which was designed and conducted with the goal to study the effect of lighting on the sense of presence in…
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P. Kán, A. Dünser, M. Billinghurst, C. Schönauer, H. Kaufmann
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Towards the Application of TimeML in Clinical Guidelines
The modeling of computer-interpretable clinical guidelines is a laborious task. In this project we propose a two-step approach to explore whether the…
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R. Wenzina, K. Kaiser
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Unsupervised selection of robust audio feature subsets
Feature selection is applied to identify relevant and complementary features from a given high-dimensional feature set. In general, existing…
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G. Sageder, M. Zaharieva, M. Zeppelzauer
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Using TimeML to Support the Modeling of Computerized Clinical Guidelines
The modeling of clinical guidelines in order to apply them in computerized medical tools is a challenging and laborious task. In this project we show…
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R. Wenzina, K. Kaiser
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3D Position Estimation in Wide and Unconstrained Indoor Environments
In this paper, a system for 3D position estimation in wide, unconstrained indoor environments is presented that employs infrared optical outside-in…
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A. Mossel
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Backward compatible HDR stereo matching: a hybrid tone-mapping-based framework
Stereo matching under complex circumstances, such as low-textured areas and high dynamic range (HDR) scenes is an ill-posed problem. In this paper we…
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T. Akhavan, H. Kaufmann
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Cross-Platform Social Event Detection
A large part of media shared on online platforms such as Flickr and YouTube is captured at various social events (such as music festivals,…
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M. Zaharieva, M. Fabro, M. Zeppelzauer
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Development of Tests to Evaluate the Sensory Abilities of Children with Autism Spectrum Disorder
An emerging line of research attempts to reveal underlying mechanisms of Autism Spectrum Disorder (ASD) by studying differences in sensory processing…
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E. Söchting, J. Hartl, M. Riederer, C. Schönauer, H. Kaufmann, C. Lamm
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HyMoTrack: A Mobile AR Navigation System for Complex Indoor Environments
Navigating in unknown big indoor environments with static 2D maps is a challenge, especially when time is a critical factor. In order to provide a…
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G. Gerstweiler, E. Vonach, H. Kaufmann
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Markerless 3D Interaction in an Unconstrained Handheld Mixed Reality Setup
In mobile applications, it is crucial to provide intuitive means for 2D and 3D interaction. A large number of techniques exist to support a natural…
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D. Fritz, A. Mossel, H. Kaufmann
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Fast PatchMatch Stereo Matching using Multi-Scale Cost Fusion for Automotive Applications
J. Cho, M. Humenberger: "Fast PatchMatch Stereo Matching using Multi-Scale Cost Fusion for Automotive Applications"; Talk: 2015 IEEE Intelligent…
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J. Cho, M. Humenberger
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GOALS: Modeling Clinical Guidelines Based on TimeML Concepts
Clinical practice guidelines aim at raising the quality of healthcare. They are written in a narrative style and have to be translated into a…
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R. Wenzina, K. Kaiser
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High-Quality Consistent Illumination in Mobile Augmented Reality by Radiance Convolution on the GPU
Consistent illumination of virtual and real objects in augmented reality (AR) is essential to achieve visual coherence. This paper presents a…
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P. Kán, J. Unterguggenberger, H. Kaufmann
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Indoor Skydiving in Immersive Virtual Reality with Embedded Storytelling
We describe the Virtual Jump Simulator, which allows subjects to perform an indoor parachute jump in a virtual environment. The necessity to jump…
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H. Eidenberger, A. Mossel
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Influence of Path Complexity on Spatial Overlap Perception in Virtual Environments
Real walking in large virtual indoor environments within a limited real world workspace requires effective spatial compression methods. These methods…
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K. Vasylevska, H. Kaufmann
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Interactive HDR Environment Map Capturing on Mobile Devices
Real world illumination, captured by digitizing devices, is beneficial to solve many problems in computer graphics. Therefore, practical methods for…
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P. Kán
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Interpretable Video Representation
The immense amount of available video data poses novel requirements for video representation approaches by means of focusing on central and relevant…
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L. Diem, M. Zaharieva
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Media Synchronization and Sub-Event Detection in Multi-User Image Collections
Personal media capturing devices, such as smartphones or personal image and video cameras, are rarely synchronized. As a result, common tasks, like…
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M. Zaharieva, M. Riegler
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MIS @ Retrieving Diverse Social Images Task 2015
In this paper, we describe our approach for the MediaEval 2015 Retrieving Diverse Social Images Task. The proposed approach exploits available…
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M. Zaharieva, L. Diem
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Mobile Multiview Diffuse Texture Extraction
This paper presents a novel method for diffuse texture extraction from a set of multiview images. We address the problem of specularities removal by…
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P. Kán, H. Kaufmann
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Mutual Proximity Awareness in Immersive Multi-User Virtual Environments with RealWalking
Are users aware of each other in an immersive multi-user virtual environment if they cannot see or hear each other? We present a study on users´…
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I. Podkosova, H. Kaufmann
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Requirements Analysis On A Virtual Reality Training System For CBRN Crisis Preparedness
Over the past decade, training in virtual reality for military and disaster preparedness has been increasingly recognized as an important adjunct to…
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A. Mossel, A. Peer, J. Göllner, H. Kaufmann
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Simulation of Robust PCA for Supervised Audio Outlier Detection
S. Brodinova, T. Ortner, P. Filzmoser, M. Zaharieva, C. Breiteneder: "Simulation of Robust PCA for Supervised Audio Outlier Detection"; Talk:…
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S. Brodinova, T. Ortner, P. Filzmoser, M. Zaharieva, C. Breiteneder
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Social Event Mining in Large Photo Collections
A significant part of publicly available photos on the Internet depicts a variety of different social events. In order to organize this steadily…
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M. Zaharieva, M. Zeppelzauer, M. Fabro, D. Schopfhauser
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Structured-light-based Depth Reconstruction Using Low-light Pico Projector
In this work we investigate an infrared structured light prototype which is intended for 3D reconstruction in resource-restricted mobile…
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T. Rittler, F. Seitner, M. Gelautz
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Touch, Movement & Vibration: User Perception of Vibrotactile Feedback for Touch and Mid-Air Gestures
Designing appropriate feedback for gesture interfaces is an important aspect of user experience and performance. We conduct the first investigation…
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C. Schönauer, A. Mossel, I. Zaiți, R. Vatavu
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Towards An Immersive Virtual Reality Training System For CBRN Disaster Preparedness
Over the past decade, training in virtual reality for military and disaster preparedness has been increasingly recognized as an important adjunct to…
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A. Mossel, A. Peer, J. Göllner, H. Kaufmann
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Trifocal system for high-quality inter-camera mapping and virtual view synthesis
We present an innovative L-shaped trifocal system involving a high-end main camera with a compact assistant stereo rig attached to it. The system can…
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F. Seitner, M. Nezveda, M. Gelautz, G. Braun, C. Kapeller, W. Zellinger, B. Moser
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A Retargeting Approach for Mesopic Vision: Simulation and Compensation
Retargeting approaches aim at providing a uni ed framework for image rendering in which both the intended scene luminance and the actual luminance of…
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M. Rezagholizadeh, T. Akhavan, A. Soudi, H. Kaufmann, J. Clark
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Interactive 3D Segmentation of Rock-Art by Enhanced Depth Maps and Gradient Preserving Regularization
M. Zeppelzauer, G. Poier, M. Seidl, C. Reinbacher, S. Schulter, C. Breiteneder, H. Bischof: "Interactive 3D Segmentation of Rock-Art by Enhanced…
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M. Zeppelzauer, G. Poier, M. Seidl, C. Reinbacher, S. Schulter, C. Breiteneder, H. Bischof
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Leveraging workflow control patterns in the domain of clinical practice guidelines
Background Clinical practice guidelines (CPGs) include recommendations describing appropriate care for the management of patients with a specific…
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K. Kaiser, M. Marcos
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Sicherer Fallschirmsprung im Virtual Jump Simulator
Fallschirmspringen bei jedem Wetter, beliebig oft, mit Netz, doppeltem Boden und Adrenalinkick? Das ermöglicht der Virtual Jump Simulator der…
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H. Eidenberger, A. Mossel
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Structured-light-based Depth Reconstruction Using Low-light Pico Projector
In this work we investigate an infrared structured light prototype which is intended for 3D reconstruction in resource-restricted mobile…
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T. Rittler, F. Seitner, M. Gelautz
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3D Scene Reconstruction via Hierarchical Stereo Matching
The reconstruction of 3D scenes from a pair of stereo images/videos that were captured from slightly displaced camera view points presents an…
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M. Nezveda, M. Gelautz
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A Hybrid Sound Model for 3D Audio Games with Real Walking
Spatialized audio is the only output that players receive in audio games. In order to provide a realistic view of the environment, it has to be of…
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I. Podkosova, M. Urbanek, H. Kaufmann
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Algorithms for 3D film content generation and post-processing
In this talk we present algorithms for 3D reconstruction and novel view synthesis that form part of a 3D film processing chain which aims at…
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M. Gelautz, M. Nezveda, N. Brosch, F. Seitner
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An Adaptive Clustering Approach for the Diversification of Image Retrieval Results
In this paper, we explore the application of an adaptive clustering approach for the diversification of image retrieval results in the context of the…
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M. Zaharieva
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An Efficient DCT template-based Object Detection Method using Phase Correlation
In this work, we propose an efficient algorithm, which utilizes the combination of discrete cosine transform (DCT) and phase correlation (PC) for…
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H. Eidenberger, M. Hörhan
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Design of a Health Monitoring Toy for Children
Especially for young children measuring their physiological parameters to assess their health can be stressful, even when conducted at home by their…
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E. Vonach, M. Ternek, G. Gerstweiler, H. Kaufmann
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Digital Vibrons: Understanding Users' Perceptions of Interacting with Invisible Digital Matter
We investigate in this work users´ perceptions of interacting with invisible, zero-weight digital matter for smart mobile scenarios. To this end, we…
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R. Vatavu, A. Mossel, C. Schönauer
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Evaluation of robust PCA for supervised audio outlier detection
Outliers often reveal crucial information about the underlying data such as the presence of unusual observations that require for in-depth analysis.…
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S. Brodinova, T. Ortner, P. Filzmoser, M. Zaharieva, C. Breiteneder
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Group Feature Selection for Audio-Based Video Genre Classification
The performance of video genre classification approaches strongly depends on the selected feature set. Feature selection requires for expert…
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G. Sageder, M. Zaharieva, C. Breiteneder
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ImmersiveDeck: A large-scale wireless VR system for multiple users
We present preliminary results of work on a low-cost multi-user immersive Virtual Reality system that enables collaborative experiences in large…
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I. Podkosova, K. Vasylevska, C. Schönauer, E. Vonach, P. Fikar, E. Broneder, H. Kaufmann
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Interactive Segmentation of Rock-Art in High-Resolution 3D Reconstructions
M. Zeppelzauer, G. Poier, M. Seidl, C. Reinbacher, C. Breiteneder, H. Bischof: "Interactive Segmentation of Rock-Art in High-Resolution 3D…
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M. Zeppelzauer, G. Poier, M. Seidl, C. Reinbacher, C. Breiteneder, H. Bischof
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Large Scale Cut Plane: An Occlusion Management Technique for Immersive Dense 3D Reconstructions
Dense 3D reconstructions of real-world environments become wide spread and are foreseen to act as data base to solve real world problems, such as…
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A. Mossel, C. Kößler
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Linear Optimization Approach for Depth Range Adaption of Stereoscopic Videos
Depth-Image Based Rendering (DIBR) techniques enable the creation of virtual views from color and corresponding depth images. In stereoscopic 3D film…
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W. Zellinger, B. Moser, A. Chouikhi, F. Seitner, M. Nezveda, M. Gelautz
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Machine Learning with Dual Process Models
Similarity measurement processes are a core part of most machine learning algorithms. Traditional approaches focus on either taxonomic or thematic…
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H. Eidenberger, B. Klauninger, M. Unger
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Model-based Video Content Representation
Recurring visual elements in videos commonly represent central content entities, such as main characters and dominant objects. The automated…
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L. Diem, M. Zaharieva
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Retrieving Diverse Social Images at MediaEval 2016: Challenge, Dataset and Evaluation
This paper provides an overview of the Retrieving Diverse Social Images task that is organized as part of the MediaEval 2016 Benchmarking Initiative…
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B. Ionescu, A. Gînscǎ, M. Zaharieva, B. Boteanu, M. Lupu, H. Müller
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Similarity Assessment as a Dual Process Model of Counting and Measuring
Based on recent findings from the field of human similarity perception, we propose a dual process model (DPM) of taxonomic and thematic similarity…
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H. Eidenberger, B. Klauninger
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