Interactive Media Systems, TU Vienna

Publications

Publications Feed

Scientific publications, talks, and theses. Click a title or “Details” link to learn
more about a particular publication (including BibTeX, PDF download, etc).

Published in 1996

Conferences

Automated Matching Experiments with Different Kinds of SAR Imagery We carry out tests with two readily available autoinated matching algorithms in their application to (a) Magellan SAR stereo images, and (b) ERS-1… M. Gelautz, G. Jakoib, G. Paar, S. Hensley, F. Leberl Details
SAR Speckle Simulation After a short introduction to the principles of SAR speckle generation and its statistical properties, we give a review of different speckle… R. Bolter, M. Gelautz, F. Leberl Details

Published in 1998

Journals

SAR Image Simulation and Analysis of Alpine Terrain We describe the implementation of a so-called object-space algorithm to use a digital elevation model (DEM) and a sensor flight path as input for the… M. Gelautz, H. Frick, J. Raggam, J. Burgstaller, F. Leberl Details

Published in 1999

Journals

Parallel Image Processing Applied to Radar Shape-from-Shading Advanced parallelization techniques applied to a time-consuming surface reconstruction algorithm lead to excellent performance on massive parallel… A. Goller, M. Gelautz, F. Leberl Details
Relief Reconstruction from SAR Stereo Pairs: The "Optimal Gradient" Matching Method We present a method for improving relief reconstruction from SAR stereo images, relying on preprocessing of input data with an optimal filter. This… P. Paillou, M. Gelautz Details

Reports

A Retrieval System for Coats of Arms The paper describes a project aiming at content-based retrieval of coats of arms to facilitate information finding. The retrieval system should be… C. Breiteneder, H. Eidenberger Details
Content-based Image Retrieval of Coats of Arms The paper describes a content-based image retrieval system for coats of arms. The characteristics of arms are analyzed and specific features for… C. Breiteneder, H. Eidenberger Details
Merging Image Features by Self-organizing Maps in Content-based Image Retrieval This paper shows how merging by linear combination of weighted distance values can be performed. A weighting algorithm is presented for the automatic… C. Breiteneder, D. Merkl, H. Eidenberger Details

Published in 2000

Conferences

Construct3D: A Virtual Reality Application for Mathematics and Geometry Education Construct3D is a three dimensional geometric construction tool based on the collaborative augmented reality system "Studierstube". Our setup uses a… H. Kaufmann, D. Schmalstieg, M. Wagner Details

Reports

Automatic Query Generation for Content-based Image Retrieval We describe a subsystem of a content-based image retrieval (CBIR) environment that supports a user in the definition of image similarity. Out of a… C. Breiteneder, H. Eidenberger Details
Content-based Image Retrieval in Digital Libraries Today's systems for Content-Based Image Retrieval (CBIR) suffer from several drawbacks: First, user interfaces are much too complicated for average… C. Breiteneder, H. Eidenberger Details
Performance-optimized feature ordering for Content-based Image Retrieval We present a method to improve the performance of content-based image retrieval (CBIR) systems. The idea is based on the concept of query models [1],… H. Eidenberger, C. Breiteneder Details
Query model based Content-based Image Retrieval This abstract describes my doctoral thesis in the field of multimedia / content-based image retrieval (CBIR). CBIR aims at searching image libraries… H. Eidenberger Details

Theses

Suchmodell-basiertes Content-based Image Retrieval Die explosive Entwicklung des Internets in den letzten Jahren ermöglichte es, relativ kostengünstig Datenbestände von Museen, Archiven, etc.… H. Eidenberger Details

Published in 2001

Conferences

A Re-Usable Software Framework For Authoring And Managing Web Exhibitions In the course of a Web development project for the Museum für Völkerkunde in Vienna, ViEx, a reuse framework supporting authoring and managing… C. Breiteneder, H. Platzer, M. Hitz Details
Bhutan: A Virtual Exhibition "Bhutan: Fortress of the Gods" was a successful exhibition shown at the Museum für Völkerkunde in Vienna. Later, other museums throughout Europe… C. Breiteneder, H. Platzer, M. Hitz, J. Stockinger Details

Reports

A Wearable 3D Augmented Reality Workspace This paper describes our work to build a wearable Augmented Reality system that supports true stereoscopic 3D graphics. Through a pen and pad… G. Reitmayr, D. Schmalstieg Details
An Open Software Architecture for Virtual Reality Interaction This article describes OpenTracker, an open software architecture that provides a framework for the different tasks involved in tracking input… D. Schmalstieg, G. Reitmayr Details
Application Migration for Virtual Work Environments We present tools for managing applications in a distributed virtual work environment. A virtual work environment is a system that interfaces with… D. Schmalstieg, G. Hesina Details
Finger Tracking for Interaction in Augmented Environments Optical tracking systems allow three-dimensional input for virtual environment applications with high precision and without annoying cables.… K. Dorfmüller-Ulhaas, D. Schmalstieg Details
Mobile Collaborative Augmented Reality The combination of mobile computing and collaborative Augmented Reality into a single system makes the power of computer enhanced interaction and… G. Reitmayr, D. Schmalstieg Details

Theses

A Multi-purpose virtual model of the solar system For centuries, astronomers have presented their research results about the structure of the Solar System with models. Most of them were small and… G. Zotti Details
Collaborative Augmented Reality A collection of papers on collaborative augmented reality submitted as a Habilitation thesis by Dieter Schmalstieg D. Schmalstieg Details

Published in 2002

Books

"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… S. Zillner, M. Gelautz, M. Kallinger Details
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… H. Eidenberger, C. Breiteneder Details
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… H. Eidenberger, C. Breiteneder Details
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… H. Eidenberger, C. Breiteneder Details
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… E. Umlauf, H. Piringer, G. Reitmayr, D. Schmalstieg Details
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… N. Chandrasiri, I. Barakonyi, T. Naemura, M. Ishizuka, H. Harashima Details
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… H. Kaufmann Details
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… D. Schmalstieg, G. Hesina Details
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… C. Breiteneder, H. Eidenberger, M. Wasinger Details
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… C. Breiteneder, H. Eidenberger, G. Fiedler, M. Raab Details
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… H. Eidenberger, C. Breiteneder Details
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… H. Kaufmann, D. Schmalstieg Details
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… H. Eidenberger, C. Breiteneder Details
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… M. Kalkusch, T. Lidy, M. Knapp, G. Reitmayr, H. Kaufmann, D. Schmalstieg Details
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… H. Eidenberger Details

Journals

A Platform for location based Augmented Reality Applications Augmented Reality (AR), enhancing a user´s perception of the real world with computer generated entities, and mobile computing, allowing users to… G. Reitmayr, D. Schmalstieg Details
Information Technology & Religion - Friends or Foes? J. Newman: "Information Technology & Religion - Friends or Foes?"; Borderlands, 1 (2002). J. Newman Details
SMIL 2.0: Markup Language for Multimedia Presentations The article describes version 2.0 of the XML-based multimedia authoring language SMIL (stands for Synchronized Multimedia Integration Language). It… H. Eidenberger, S. Boll Details

Conferences

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… H. Hauser, F. Ledermann, H. Doleisch Details
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";… I. Barakonyi, N. Chandrasiri, S. Descamps, M. Ishizuka Details
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… F. Ledermann, G. Reitmayr, D. Schmalstieg Details
Dynamische Geometrie in Virtual Reality Construct3D ist eine Anwendung zur Konstruktion dreidimensionaler Geometrie basierend auf dem Augmented Reality (AR) System "Studierstube". In… H. Kaufmann Details
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… D. Schmalstieg, H. Kaufmann, G. Reitmayr, F. Ledermann Details
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… S. Veigl, A. Kaltenbach, F. Ledermann, G. Reitmayr, D. Schmalstieg Details

Reports

The Studierstube Augmented Reality Project Our starting point for developing the Studierstube system was the belief that augmented reality, the less obtrusive cousin of virtual reality, has a… D. Schmalstieg, A. Fuhrmann, G. Hesina, Z. Szalavari, L. Encarnacao, M. Gervautz, W. Purgathofer Details
User Controlled Creation of Multiresolution Meshes E. Pojar, D. Schmalstieg: "User Controlled Creation of Multiresolution Meshes"; 2002. E. Pojar, D. Schmalstieg Details

Published in 2003

Books

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… M. Gelautz, P. Paillou, C. Chen, H. Zebker Details
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… H. Eidenberger Details
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… H. Eidenberger Details
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… D. Wagner, I. Barakonyi Details
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… I. Barakonyi, W. Frieb, D. Schmalstieg Details
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… H. Kaufmann Details
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… I. Barakonyi, T. Fahmy, D. Schmalstieg, K. Kosina Details
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… G. Reitmayr, D. Schmalstieg Details
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… H. Eidenberger Details
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… D. Wagner, D. Schmalstieg Details
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.… H. Eidenberger Details
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… G. Reitmayr, D. Schmalstieg Details
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… H. Eidenberger Details
Medienverarbeitung in Java H. Eidenberger, R. Divotkey: "Medienverarbeitung in Java"; dpunkt.verlag, Heidelberg, 2003, ISBN: 3-89864-184-8; 272 pages. H. Eidenberger, R. Divotkey Details
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… H. Eidenberger Details
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… D. Wagner Details
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… E. Pojar, D. Schmalstieg Details
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.);… D. Markovic, M. Gelautz Details
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.… M. Bleyer, M. Gelautz Details
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… H. Eidenberger, C. Breiteneder Details
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… G. Reitmayr, M. Billinghurst, D. Schmalstieg Details

Journals

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… H. Kaufmann Details
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… D. Schmalstieg, G. Reitmayr, G. Hesina Details
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… H. Kaufmann, D. Schmalstieg Details
Multimedia 200x - Trends and perspectives H. Eidenberger, S. Boll: "Multimedia 200x - Trends and perspectives"; iX, 09 (2003), 85 - 90. H. Eidenberger, S. Boll Details
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.… M. Gelautz, P. Paillou, C. Chen, H. Zebker Details
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,… H. Eidenberger Details
The MPEG-7 standard for multimedia content description An introduction to the MPEG-7 standard for the description of audiovisual content. H. Eidenberger Details
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… H. Eidenberger, C. Breiteneder Details

Conferences

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… T. Pintaric Details
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… T. Pintaric Details
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… T. Pintaric Details
Integrating Studierstube and DWARF Studierstube and DWARF are modular Augmented Reality frameworks, each with distinct advantages in different application areas. Both can easily be… M. Bauer, O. Hilinges, A. MacWilliams, C. Sandor, M. Wagner, G. Klinker, J. Newman, G. Reitmayr, T. Fahmy, T. Pintaric, D. Schmalstieg Details
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… R. Grasset, J. Gascuel, D. Schmalstieg Details
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… K. Kaiser Details
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… F. Ledermann, D. Schmalstieg Details
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… S. Beckhaus, F. Ledermann, O. Bimber Details
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… C. Ulbricht, D. Schmalstieg Details
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… S. Bruckner, D. Schmalstieg, H. Hauser, E. Gröller Details
Video-based virtual environments In this sketch we present a system for rapidly developing and deploying semi-interactive, video-based Virtual Environments. T. Pintaric, A. Rizzo, U. Neumann Details

Reports

A Testing Environment for Video-Based Multiview Computer Vision Research We describe the methodology, design considerations and practical implementation of an environment used in developing and testing video-based,… E. Stavrakis, M. Gelautz Details
ARToolKit on the PocketPC Platform In this paper we describe the port of ARToolKit onto the PocketPC platform including optimizations that led to a three-fold speedup over the native… D. Wagner, D. Schmalstieg Details
Fundamentals of Ubiquitous Tracking To enable rich and meaningful Augmented Reality (AR) experiences within a Ubiquitous Computing environment, a detailed, coherent and up-to-date… J. Newman, M. Wagner, T. Pintaric, A. MacWilliams, M. Bauer, G. Klinker, D. Schmalstieg Details
Presenting Past and Present of 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 real… F. Ledermann, D. Schmalstieg Details

Talks

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,… M. Gelautz, P. Paillou, C. Chen, H. Zebker Details
A Graphical Tuplespace D. Schmalstieg: "A Graphical Tuplespace"; Talk: Technische Universität München, Technische Universität München, Germany (invited); 07-22-2003. D. Schmalstieg Details
Augmented and Ubiquitous Environments with Studierstube D. Schmalstieg: "Augmented and Ubiquitous Environments with Studierstube"; Talk: Technische Universität Graz, Technische Universität Graz, Austria… D. Schmalstieg Details
Augmented Reality for Computer Supported Learning D. Schmalstieg: "Augmented Reality for Computer Supported Learning"; Talk: University of Salzburg, University of Salzburg, Austria (invited);… D. Schmalstieg Details
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… I. Barakonyi, W. Frieb, D. Schmalstieg Details
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… G. Reitmayr Details
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… D. Wagner Details
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;… H. Eidenberger Details
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… G. Reitmayr Details
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,… H. Eidenberger Details
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. D. Schmalstieg Details
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. F. Ledermann Details
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… E. Pojar, D. Schmalstieg Details
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. D. Markovic, M. Gelautz Details
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;… M. Bleyer, M. Gelautz Details
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;… H. Eidenberger Details

Theses

Application Management for three-dimensional user interfaces This master thesis presents a new approach to the application management of Studierstube, an Augmented Reality system offering a virtual workspace… A. Zajic Details
Comprehensive Calibration Procedures for Augmented Reality This work presents a comprehensive set of calibration procedures that consists of all tasks necessary for the calibration of devices commonly used in… R. Splechtna Details
Studierstube Render Array - A Seamless Tiled Display High-end rendering systems have provided the computer graphics community over a long period with high resolution graphics at high frame rates,… G. Eibner Details

Published in 2004

Books

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… M. Bleyer, M. Gelautz Details
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),… I. Barakonyi, T. Psik, D. Schmalstieg Details
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),… I. Barakonyi, D. Schmalstieg Details
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… G. Reitmayr, D. Schmalstieg Details
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. K. Kaiser, S. Miksch, S. Tu Details
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… J. Courtiat, C. Davarakis, M. Faust, S. Grund, H. Kaufmann, D. Mwanza, A. Totter Details
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… D. Markovic, M. Gelautz Details
Fundamentals of Ubiquitous Tracking Ubiquitous Computing (Ubicomp) environments require detailed, coherent and up-to-date spatial models of the world. However, current tracking… M. Wagner, A. MacWilliams, M. Bauer, G. Klinker, J. Newman, T. Pintaric Details
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… D. Schmalstieg, G. Eibner Details
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… E. Stavrakis, M. Gelautz Details
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… M. Gelautz, D. Markovic Details
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… I. Barakonyi, T. Fahmy, D. Schmalstieg Details
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… M. Gelautz, E. Stavrakis, M. Bleyer Details
Ubiquitous Tracking for Augmented Reality Augmented Reality (AR) provides a natural interface to the "calm" pervasive technology anticipated in large-scale Ubiquitous Computing environments.… J. Newman, M. Wagner, M. Bauer, A. MacWilliams, T. Pintaric, D. Beyer, D. Pustka, F. Strasser, D. Schmalstieg, G. Klinker Details
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:… M. Gelautz, M. Brandejsky, F. Kilzer, F. Amelung Details

Journals

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… H. Eidenberger Details
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… M. Gelautz, W. Vogl, M. Schmutz Details
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. K. Kaiser Details
Internet Communication Using Real-time Facial Expression Analysis and Synthesis Because popular technologies such as chat don’t capture people’s expressions or intonations, they fail to provide crucial emotional content. By… N. Chandrasiri, I. Barakonyi, T. Naemura, M. Ishizuka, H. Harashima Details
OpenML - Media from the belt This article describes OpenML - a C-based middleware for video and audio processing. H. Eidenberger Details
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… H. Eidenberger Details
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… T. Binder, G. Michelis, M. Gelautz, G. Iacucci, K. Matkovic, T. Psik, I. Wagner Details

Conferences

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… H. Eidenberger, R. Divotkey Details
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… H. Eidenberger Details
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… H. Eidenberger Details
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… K. Kaiser, S. Miksch Details
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… V. Baudin, M. Faust, H. Kaufmann, V. Litsa, D. Mwanza, A. Pierre, A. Totter Details
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:… K. Kaiser, S. Miksch Details
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";… K. Kaiser, S. Miksch Details
Visual Data Mining This paper introduces a novel paradigm for integrated retrieval and browsing in content-based visual information retrieval systems. The proposed… H. Eidenberger Details
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… H. Eidenberger Details

Reports

Flexible Parametrization of Scene Graphs Scene graphs have become an established tool for developing interactive 3D applications, but with the focus lying on support for multi-processor and… G. Reitmayr, D. Schmalstieg Details
Scalable Techniques for Collaborative Outdoor Augmented Reality Research on mobile augmented reality (AR) so far concentrated on building and deploying prototypes and investigating technical and user interface… G. Reitmayr, D. Schmalstieg Details
Treating Temporal Information in Plan and Process Modeling K. Kaiser, S. Miksch: "Treating Temporal Information in Plan and Process Modeling"; 2004. K. Kaiser, S. Miksch Details

Talks

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… M. Bleyer, M. Gelautz Details
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. H. Eidenberger Details
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. H. Eidenberger Details
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),… I. Barakonyi Details
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),… I. Barakonyi Details
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);… D. Schmalstieg Details
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… G. Reitmayr Details
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. J. Newman Details
Die Welt als Interface D. Schmalstieg: "Die Welt als Interface"; Talk: Mobile Computing Kongress 2004, Fraunhofer IGD, Darmstadt, Germany (invited); 10-20-2004. D. Schmalstieg Details
Distributed, Collaborative and Mobile Augmented Reality D. Schmalstieg: "Distributed, Collaborative and Mobile Augmented Reality"; Talk: SIGGRAPH 2004 Course #25 "Developing Augmented Reality… D. Schmalstieg Details
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… D. Markovic, M. Gelautz Details
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… J. Newman, M. Wagner, T. Pintaric, D. Schmalstieg, A. MacWilliams, M. Bauer, G. Klinker Details
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… G. Reitmayr Details
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… E. Stavrakis, M. Gelautz Details
Mobile Anwendungen von Augmented Reality D. Schmalstieg: "Mobile Anwendungen von Augmented Reality"; Talk: Fachhochschule Hagenberg, Austria, Fachhochschule Hagenberg, Austria (invited);… D. Schmalstieg Details
Mobile Augmented Reality D. Schmalstieg: "Mobile Augmented Reality"; Talk: Technische Universität Graz, Technische Universität Graz (invited); 01-16-2004. D. Schmalstieg Details
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… M. Gelautz, D. Markovic Details
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… I. Barakonyi Details
SMIL and SVG in teaching H. Eidenberger: "SMIL and SVG in teaching"; Talk: SPIE Electronic Imaging Conference, San Jose, USA; 01-25-2004. H. Eidenberger Details
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… M. Gelautz, E. Stavrakis, M. Bleyer Details
Ubiquitous Tracking for Augmented Reality Augmented Reality (AR) provides a natural interface to the "calm" pervasive technology anticipated in large-scale Ubiquitous Computing environments.… J. Newman, M. Wagner, M. Bauer, A. MacWilliams, T. Pintaric, B. Dagmar, D. Pustka, F. Strasser, D. Schmalstieg, G. Klinker Details
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… M. Gelautz, M. Brandejsky, F. Kilzer, F. Amelung Details

Theses

An Authoring Framework for Augmented Reality Presentations In this thesis, the design of APRIL, an XML-based language to create con\-tent-rich Augmented Reality (AR) applications and interactive… F. Ledermann Details
Automatic Generation of Graphical User Interfaces in Studierstube Studierstube is a system build to develop collaborative augmented reality applications. Interaction in this system is realised by means of the… V. Maquil Details
Der Türkische Schachspieler Hofkammerrat Wolfgang von Kempelen presented his mechanical chess player to the Viennese court of empress Maria Theresia in the year 1769. The chess… A. Schälss Details
Geometry Education with Augmented Reality To fill the gap of next-generation user interfaces for mathematics and geometry education Construct3D is introduced a three-dimensional dynamic… H. Kaufmann Details
Information Extraction - Utilizing Table Patterns B. Yildiz: "Information Extraction - Utilizing Table Patterns"; Supervisor: S. Miksch, K. Kaiser; Institut für Softwaretechnik und Interaktive… B. Yildiz Details
On Software Design for Augmented Reality Augmented reality (AR) is an intriguing user interface technique that combines the properties of the real world with information processed by a… G. Reitmayr Details
XML Databases for Augmented Reality The application of XML, an upcoming storage and communication format, requires an appropriate organisational system, if a certain quantity of… W. Frieb Details

Published in 2005

Books

Flexible Parametrization of Scene Graphs Scene graphs have become an established tool for developing interactive 3D applications, but with the focus lying on support for multi-processor and… G. Reitmayr, D. Schmalstieg Details
General Training of Spatial Abilities by Geometry Education in Augmented Reality Geometry education has proven as one powerful means of improving spatial abilities, an important component of human intelligence. In the first part… H. Kaufmann, K. Steinbügl, A. Dünser, J. Glück Details
Improving Spatial Abilities by Geometry Education in Augmented Reality - Application and Evaluation Design In the first part we summarize our development of a system that uses collaborative augmented reality as a medium for teaching, and uses 3D dynamic… H. Kaufmann, K. Steinbügl, A. Dünser, J. Glück Details
Perl. Einführung in die Programmierung und Problemlösen H. Eidenberger, E. Michlmayr: "Perl. Einführung in die Programmierung und Problemlösen"; dpunkt.verlag, 2005, ISBN: 3-89864-320-4; 272 pages. H. Eidenberger, E. Michlmayr Details

Journals

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… M. Bleyer, M. Gelautz Details
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. K. Kaiser Details
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… D. Divotkey, H. Eidenberger, R. Divotkey Details
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… M. Bleyer, M. Gelautz, C. Rhemann Details
Geometrie und Raumvorstellung - Psychologische Perspektiven In diesem Beitrag soll zunächst ein kurzer Überblick über den psychologischen Wissensstand zum räumlichen Vorstellungsvermögen gegeben werden, wobei… J. Glück, H. Kaufmann, A. Dünser, K. Steinbügl Details
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… A. Dünser, M. Jirasko Details
Sicherheitsanker F. Seitner: "Sicherheitsanker"; Linuxmagazin, 3 (2005), 03/2005; 60 - 64. F. Seitner Details
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. E. Stavrakis, M. Gelautz Details
Visual Information Retrieval Grundlagen des Visual Information Retrieval H. Eidenberger Details
Web automatization with Mechanize H. Eidenberger, E. Michlmayr: "Web automatization with Mechanize"; iX, 7 (2005), 142 - 145. H. Eidenberger, E. Michlmayr Details

Conferences

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… F. Ledermann, D. Schmalstieg Details
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… E. Stavrakis, M. Gelautz Details
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… D. Divotkey, H. Eidenberger Details
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… F. Ledermann Details
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… D. Markovic, M. Gelautz Details
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… K. Kaiser, C. Akkaya, S. Miksch Details
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… H. Eidenberger Details
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.… M. Bleyer, M. Gelautz Details
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… E. Stavrakis, M. Bleyer, D. Markovic, M. Gelautz Details
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… M. Gelautz, F. Kilzer, M. Brandejsky Details
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,… H. Kaufmann, A. Rizzo, G. Kim, R. Darken, R. Astur, F. Tendick Details
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… D. Markovic, E. Stavrakis, M. Gelautz Details
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… B. Yildiz, K. Kaiser, S. Miksch Details
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:… F. Seitner, B. Lovell Details
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… M. Bleyer, M. Gelautz, C. Rhemann Details
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… K. Kaiser Details
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… E. Stavrakis, M. Gelautz Details
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… T. Pintaric, D. Wagner, F. Ledermann, D. Schmalstieg Details

Reports

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… K. Kaiser, C. Akkaya, S. Miksch Details
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… K. Kaiser, S. Miksch Details
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… G. Reitmayr, C. Chiu, A. Kusternig, M. Kusternig, H. Witzmann Details
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… K. Kaiser, S. Miksch Details
Programmieren in Perl Einführung in die Welt der Computer-Programmierung und die Programmiersprache Perl H. Eidenberger, E. Michlmayr Details
The Invisible Train D. Wagner, T. Pintaric, F. Ledermann: "The Invisible Train"; Group exhibition; organised by: Imagina, catalogue: "Imagina 2005"; Grimaldi Forum,… D. Wagner, T. Pintaric, F. Ledermann Details
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… P. Votruba, K. Kaiser, S. Miksch Details

Talks

CoCoMA: Content and Context Aware Multimedia Content Retrieval, Delivery and C. Breiteneder, H. Eidenberger: "CoCoMA: Content and Context Aware Multimedia Content Retrieval, Delivery and"; Poster: ECDL 2005, Vienna; 09-04-2005. C. Breiteneder, H. Eidenberger Details
Förderung der Raumvorstellung mit Construct3D A. Dünser, H. Kaufmann: "Förderung der Raumvorstellung mit Construct3D"; Talk: Annual Austrian Geometry Teachers Conference, Strobl, Austria;… A. Dünser, H. Kaufmann Details
Raumvorstellungstraining mit Augmented Reality - wer profitiert vom Einsatz neuer Technologien? A. Dünser, K. Steinbügl, H. Kaufmann, J. Glück: "Raumvorstellungstraining mit Augmented Reality - wer profitiert vom Einsatz neuer Technologien?";… A. Dünser, K. Steinbügl, H. Kaufmann, J. Glück Details
Video Object Segmentation and Compositing In this presentation, we focus on techniques for video object segmentation and the subsequent combination of the extracted object(s) with another… M. Gelautz, M. Bleyer, C. Rhemann, D. Markovic, E. Stavrakis Details

Theses

A Java-Based Media Server The distribution of multimedia content has become a prospective sector of the Internet business. Multimedia content is transmitted by media streaming… H. Psaier Details
Cash Flow - A Visualization Framework for 3D Flow Data The main contribution of this work is the fusion of scientific visualization algorithms and a scene graph resulting in a dynamic creation of the data… M. Kalkusch Details
Discrimination and Retrieval of Animal Sounds (Diploma Thesis) Until recently few research has been performed in the area of animal sound retrieval. The authors identify state-of-the-art techniques in general… M. Zeppelzauer Details
Discrimination and Retrieval of Environmental Sounds The human auditory sense may be regarded as the second most important sense after the sense of sight. This valuation is reflected in the field of… D. Mitrovic Details
Extracting Process Information from Clinical Practice Guidelines C. Akkaya: "Extracting Process Information from Clinical Practice Guidelines"; Supervisor: S. Miksch, K. Kaiser; Institut für Softwaretechnik und… C. Akkaya Details
LASSIE - Modeling Treatment Processes Using Information Extraction Modeling clinical guidelines and protocols in a computer-interpretable format is a challenging, but burdensome and time-consuming task. Existing… K. Kaiser Details
Master Thesis - Region-Based Optical Flow Estimation with Treatment of Occlusions The estimation of optical flow plays a key-role in several computer vision problems, including motion detection and segmentation, frame… C. Rhemann Details
Region-Based Optical Flow Estimation with Treatment of Occlusions C. Rhemann: "Region-Based Optical Flow Estimation with Treatment of Occlusions"; Supervisor: M. Gelautz, M. Bleyer; Institute for Software Technology… C. Rhemann Details
Selected Papers on 3D Computer Vision in Application to Optical and Radar Images M. Gelautz: "Selected Papers on 3D Computer Vision in Application to Optical and Radar Images"; TU Wien/Informatik, 2005. M. Gelautz Details
Trainierbarkeit der Raumvorstellung mit Augmented Reality A. Dünser: "Trainierbarkeit der Raumvorstellung mit Augmented Reality"; Institut für Psychologie, 2005. A. Dünser Details

Published in 2006

Books

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… A. Barclay, H. Kaufmann Details
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… H. Kaufmann, D. Schmalstieg Details
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.… K. Kaiser, S. Miksch Details
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… H. Kaufmann, M. Papp Details
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… H. Kaufmann, M. Csisinko, A. Totter Details
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… F. Ledermann Details
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… F. Ledermann, C. Breiteneder Details
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… A. Dünser, H. Kaufmann, K. Steinbügl, J. Glück Details

Journals

Evaluation and Analysis of Similarity Measures for Content-based Visual Information Retrieval The selection of appropriate proximity measures is one of the crucial success factors of content-based visual information retrieval. In this area of… H. Eidenberger Details
Motion adaptive intra refresh for the H.264 video coding standard An intra refresh algorithm is presented which enables low-delay video communication at the efficiency of standard IP-coding schemes. It guarantees a… R. Schreier, A. Rothermel Details
Quaero (me) ante portas H. Eidenberger: "Quaero (me) ante portas"; iX, 11 (2006), 118 - 122. H. Eidenberger Details
The 7th European Research Framework H. Eidenberger: "The 7th European Research Framework"; iX, 9 (2006), 114 - 117. H. Eidenberger Details

Conferences

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… C. Rhemann, M. Bleyer, M. Gelautz Details
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… D. Mitrovic, M. Zeppelzauer, H. Eidenberger Details
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… R. Schreier, A. Rahman, G. Krishnamurthy, A. Rothermel Details
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… M. Girgis, A. Aly, B. Latef, B. El-Gamil Details
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… D. Markovic, M. Gelautz Details
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… A. Samcovic, M. Gelautz Details
Discrimination and Retrieval of Animal Sounds D. Mitrovic, M. Zeppelzauer, C. Breiteneder: "Discrimination and Retrieval of Animal Sounds"; Poster: IEEE Multimedia Modelling Conference, Beijing;… D. Mitrovic, M. Zeppelzauer, C. Breiteneder Details
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… D. Vrajitoru, B. El-Gamil Details
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… H. Eidenberger Details
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… H. Eidenberger Details
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… H. Eidenberger Details
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… R. Schreier, A. Rothermel Details
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… M. Bleyer, M. Gelautz, C. Rhemann Details
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;… K. Kaiser, S. Miksch Details
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… H. Kaufmann Details

Reports

Abstraction and Implementation Strategies for Augmented Reality Authoring Augmented Reality (AR) application development is still lacking advanced authoring tools – even the simple presentation of information, which should… F. Ledermann, D. Schmalstieg, I. Barakonyi Details
Fast Pedestrian Tracking Based on Spatial Features and Colour, CVWW A tracking with appearance modelling system for pedestrians is described. For pedestrian detection a cascade of boosted classiers and Haar-like… F. Seitner, A. Hanbury Details
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… F. Ledermann, C. Breiteneder Details

Talks

Latenzzeitoptimierte Videokompression R. Schreier, A. Rothermel: "Latenzzeitoptimierte Videokompression"; Talk: Jahrestagung der Fernseh- und Kinotechnischen Gesellschaft Deutschland,… R. Schreier, A. Rothermel Details
Stereobildanalyse zur Erzeugung nicht-photorealistischer Ansichten In dieser Präsentation werden neue bildbasierte Verfahren zur automatischen Erzeugung künstlerischer Effekte in Imitation händischer Zeichen- und… M. Gelautz Details

Theses

Eyetrackingexperimente zur Evaluierung von Schipanoramakarten M. Kallinger: "Eyetrackingexperimente zur Evaluierung von Schipanoramakarten"; Supervisor: M. Gelautz; Institut für Softwaretechnik und Interaktive… M. Kallinger Details
Implementation of a Low Cost Marker Based Infrared Light Optical Tracking System This diploma thesis investigates the implementation of a low cost marker based infrared light optical tracking system using commodity hardware. The… M. Mehling Details
Long Distance Distribution of Virtual and Augmented Reality Applications Collaboration is an intriguing and promising aspect in Virtual and Augmented Reality systems, whether participants are co-located or not. At least,… M. Csisinko Details
Pivy - Embedding a Dynamic Scripting Language into a Scene Graph Library This thesis presents the design and implementation of "Pivy": a Python language binding for the Coin scene graph library. Pivy allows for development… T. Fahmy Details
Robust detection and tracking of objects Due to the increasing availability of fast and cheap hardware in the past few years, today a wide range of complex visual tracking tasks is possible.… F. Seitner Details
Segmentation-based Stereo and Motion with Occlusions Given two images recorded from slightly different perspectives, a shape-from-stereo approach identifies corresponding points in both images that are… M. Bleyer Details
Segmentation-based Stereo and Motion with Occlusions Given two images recorded from slightly different perspectives, a shape-from-stereo approach identifies corresponding points in both images that are… M. Bleyer Details
Ubiquitous Animated Agents for Augmented Reality A growing spectrum of Ubiquitous Computing (UbiComp) applications suggests that interaction with computers should be as natural and effortless as… I. Barakonyi Details
Visualization of Complex Function Graphs in Augmented Reality Understanding the properties of a function over complex numbers can be much more difficult than with a function over real numbers. This work provides… R. Liebo Details

Published in 2007

Books

Abstraction and Implementation Strategies for Augmented Reality Authoring Augmented Reality (AR) application development is still lacking advanced authoring tools - even the simple presentation of information, which should… F. Ledermann, I. Barakonyi, D. Schmalstieg Details
Modeling Treatment Processes Using Information Extraction Clinical Practice Guidelines (CPGs) are important means to improve the quality of care by supporting medical staff. Modeling CPGs in a… K. Kaiser, S. Miksch Details
Semantics in Content-based Multimedia Retrieval H. Eidenberger, M. Zaharieva: "Semantics in Content-based Multimedia Retrieval"; in: "Multimedia Semantics - The Role of Metadata", Springer, 2007,… H. Eidenberger, M. Zaharieva Details

Journals

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… M. Girgis, A. Aly, B. Latef, B. El-Gamil Details
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… H. Eidenberger Details
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… D. Markovic, M. Gelautz Details
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… T. Leong, K. Kaiser, S. Miksch Details
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.… M. Bleyer, M. Gelautz Details
Handy sapiens H. Eidenberger: "Handy sapiens"; iX, 2 (2007), 95 - 99. H. Eidenberger Details
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… K. Kaiser, C. Akkaya, S. Miksch Details
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),… H. Eidenberger Details
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… D. Schmalstieg, G. Schall, D. Wagner, I. Barakonyi, G. Reitmayr, J. Newman, F. Ledermann Details
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… H. Kaufmann, M. Csisinko Details
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… J. Glück, A. Dünser, K. Steinbügl, H. Kaufmann Details

Conferences

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… F. Seitner, R. Schreier, M. Bleyer, M. Gelautz Details
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… K. Kaiser, S. Miksch, P. Martini, A. Öztürk Details
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… T. Pintaric, H. Kaufmann Details
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… E. Herrera, R. Quiros, H. Kaufmann Details
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… E. Herrera, H. Kaufmann, R. Quiros Details
Distributed Virtual Reality in Education H. Kaufmann: "Distributed Virtual Reality in Education"; Keynote Lecture: 11th IEEE International Symposium on Distributed Simulation and Real Time… H. Kaufmann Details
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… A. Öztürk, K. Kaiser, P. Martini, S. Miksch Details
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… K. Kaiser, S. Miksch Details
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… H. Kaufmann, A. Dünser Details
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… M. Csisinko, H. Kaufmann Details
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… H. Eidenberger, S. Boll, S. Christodoulakis, D. Divotkey, K. Leopold, A. Martin, A. Perego, A. Scherp, C. Tsinaraki Details

Reports

Medical Terminology Systems Medical terminologies provide a powerful instrument to both abstract medical information or to enrich it in order to make it better understandable.… K. Kaiser Details

Talks

An Introduction to media research at the IMS C. Rhemann: "An Introduction to media research at the IMS"; Talk: Wintergraph 2007, Nassfeld - Italien; 03-18-2007 - 03-20-2007. C. Rhemann Details
Entwicklung eines 3D-Raumvorstellungs-Lerntests mit Augmented Reality S. Strauß, I. Strasser, M. Csisinko, H. Kaufmann, J. Glück: "Entwicklung eines 3D-Raumvorstellungs-Lerntests mit Augmented Reality"; Poster: 9.… S. Strauß, I. Strasser, M. Csisinko, H. Kaufmann, J. Glück Details
Final Internship talk at Microsoft Research Cambridge Presentation of current research results in the field of interactive image segmentation and matting. C. Rhemann Details
Image Matting Presentation of recent research results in the field of image segmentation and matting. C. Rhemann Details
Learning Objects for Geometry Education with Augmented Reality H. Kaufmann: "Learning Objects for Geometry Education with Augmented Reality"; Keynote Lecture: Conference on E-Learning in a new Europe (BMUKK) -… H. Kaufmann Details
Mid-Internship talk at Microsoft Research Cambridge Presentation of current research results in the field of interactive image segmentation and matting. C. Rhemann Details

Theses

Image Stylization from Stereo Views of Natural Scenes As media technologies have developed over time, generating novel methods of creating, presenting and interacting with visual information, artists… D. Markovic Details
Pen-based Electronical Medical Record on a Tablet PC in a Medical Practice The medical sector is seen as one of the main areas for future application of pen-operated Tablet PCs. Some hospitals already use tablets for their… D. Mayrhofer Details
Physics Education in the Field of Mechanics with Virtual Reality PhysicsPlayground is an educational virtual reality application that should help students in understanding the concepts of mechanics in the field of… B. Meyer Details
Robust Edge-Tracking for Industrial Stitching of Carbon Fibre Mats Using a Laser Range Finder W. Wohlkinger: "Robust Edge-Tracking for Industrial Stitching of Carbon Fibre Mats Using a Laser Range Finder"; Supervisor: M. Gelautz, M. Vincze;… W. Wohlkinger Details
UMLS for Information Extraction M. Kohler: "UMLS for Information Extraction"; Supervisor: K. Kaiser, S. Miksch; Institut für Softwaretechnik und Interaktive Systeme, 2007. M. Kohler Details

Published in 2008

Books

Computer-Interpretable Guideline Formalisms P. de Clercq, K. Kaiser, A. Hasman: "Computer-Interpretable Guideline Formalisms"; in: "Computer-based Medical Guidelines and Protocols: A Primer and… P. Clercq, K. Kaiser, A. Hasman Details
Visualization Methods to Support Guideline-Based Care Management W. Aigner, K. Kaiser, S. Miksch: "Visualization Methods to Support Guideline-Based Care Management"; in: "Computer-based Medical Guidelines and… W. Aigner, K. Kaiser, S. Miksch Details

Journals

Frameworks für Medienverarbeitung H. Eidenberger: "Frameworks für Medienverarbeitung"; iX - Magazin für Professionelle Informationstechnik, 12 (2008), 122 - 125. H. Eidenberger Details
Review von Wiki-Engines H. Eidenberger et al.: "Review von Wiki-Engines"; iX - Magazin für Professionelle Informationstechnik, 12 (2008), 50 - 60. H. Eidenberger Details
Strömungslehre H. Eidenberger: "Strömungslehre"; iX - Magazin für Professionelle Informationstechnik, 11 (2008), 114 - 116. H. Eidenberger Details
Werkzeuge für Medien-Streaming H. Eidenberger: "Werkzeuge für Medien-Streaming"; iX - Magazin für Professionelle Informationstechnik, 11 (2008), 135. H. Eidenberger Details

Conferences

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:… M. Gelautz, M. Bleyer, D. Markovic, C. Rhemann Details
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.… F. Seitner, R. Schreier, M. Bleyer, M. Gelautz Details
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… R. Schreier, A. Rothermel Details
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,… V. Sundstedt, E. Stavrakis, M. Wimmer, E. Reinhard Details
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… T. Pintaric, H. Kaufmann Details
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… M. Zeppelzauer, D. Mitrovic, C. Breiteneder Details
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… H. Kaufmann Details
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… 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 Details
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… H. Kaufmann, M. Csisinko, I. Strasser, S. Strauß, I. Koller Details
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… M. Csisinko Details
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… F. Seitner, M. Bleyer, M. Gelautz Details
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… P. Martini, K. Kaiser, S. Miksch Details
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… H. Eidenberger, M. Zaharieva Details
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… F. Seitner, M. Bleyer, R. Schreier, M. Gelautz Details
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… M. Bleyer, S. Chambon, U. Poppe, M. Gelautz Details
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… C. Rhemann, C. Rother, A. Rav-Acha, T. Sharp Details
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… C. Rhemann, C. Rother, M. Gelautz Details
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,… E. Stavrakis, M. Gelautz Details
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.… T. Gschwandtner, K. Kaiser, S. Miksch Details
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… K. Kaiser, T. Gschwandtner, P. Martini Details
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… H. Kaufmann Details
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… C. Schönauer Details
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… E. Kalapanidas, H. Wanatabe, C. Davarakis, H. Kaufmann, F. Aranda, T. Lam, T. Ganchev, D. Konstantas Details
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… M. Bleyer, M. Gelautz Details
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… H. Kaufmann, B. Meyer Details
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… T. Pintaric, T. Kment, W. Spreicer Details
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… S. Gindl, K. Kaiser, S. Miksch Details

Reports

Analyse der Machbarkeit und des Innovationspotentials der Anwendung der Technologie des Optical Real-Time Trackings für Aufgaben der Tunnelvortriebsvermessung Innerhalb dieser Studie wird untersucht, ob die Technologie des "Optical Real-Time Trackings" für Aufgaben der Tunnenvortriebsvermessung geeignet und… A. Mossel, T. Pintaric, H. Kaufmann Details
Multimedia-Bibliotheken http://www.heise.de H. Eidenberger Details
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… T. Pintaric, T. Kment, W. Spreicer Details
Wiki-Engines im Review http://www.heise.de D. Carl, H. Eidenberger, M. Ludewig, S. Mintert, C. Schulz, B. Spanneberg, G. Völkl, R. Heyden Details

Talks

Cognitive strategies on solving spatial tasks: development of a dynamic spatial test in augmented reality Within an interdisciplinary research project on cognitive strategies and training aspects of spatial ability, funded by the Austrian research fund… I. Strasser, H. Kaufmann, S. Strauß, J. Glück, M. Csisinko Details
Development of d*star We present d*star, a new spatial ability test, where the participant is embedded in an immersive Virtual Environment. Equipped with tracked stereo… M. Csisinko Details
MapFace - An Aid for Medical Experts to Easily Annotate Documents with MetaMap Transfer Mapping medical concepts from a terminology system, to the concepts in the narrative text of a medical document is necessary to provide semantically… T. Gschwandtner, K. Kaiser, P. Martini, S. Miksch Details
Motion Analysis for Video Object Segmentation In this talk, we present work on motion analysis with the goal to automatically extract objects of a video scene by using color segmentation and an… M. Gelautz, M. Bleyer, C. Rhemann Details

Theses

Bildsegmentierung - eine Benutzerstudie unter Verwendung von Eye-tracking B. Foelsner: "Bildsegmentierung - eine Benutzerstudie unter Verwendung von Eye-tracking"; Supervisor: M. Gelautz, C. Rhemann; E 188, 2008. B. Foelsner Details
Dynamic Differential Geometry in an Educational Augmented Reality Application In this thesis a number of geometry software packages leading both to static and dynamic constructions and their particular features will be… M. Tschurlovits Details
Evaluation and Implementation of Improved Edge Detection Methods for an Industrial Robot Sewing Process A. Schöffmann: "Evaluation and Implementation of Improved Edge Detection Methods for an Industrial Robot Sewing Process"; Supervisor: M. Gelautz, M.… A. Schöffmann Details
Evaluierung von Fehlermetriken für Image Matting Image Matting aims to separate a foreground object from an arbitrary image, which is explained as a combination of foreground and background. The… P. Rott Details
MapFace - A Graphical Editor for MetaMap Transfer (MMTx) It is a complex but very important task to formalize a clinical practice guideline and model it into a representation that can be executed and… T. Gschwandtner Details
Negation Detection in Medical Documents Using Syntactical Methods Medical information is often stored in a narrative way, which makes the automated processing a difficult and time-consuming task. Persons responsible… S. Gindl Details
Skeletal Structure Generation for Optical Motion Capture Motion capture systems today have to deliver high quality motion data, while being flexible and easily adaptable to different actors. Therefore,… C. Schönauer Details

Published in 2009

Books

Physics Education in Virtual Reality: An Example We present an immersive VR application for physics education. It utilizes a recent physics engine developed for the PC gaming market to simulate… H. Kaufmann, B. Meyer Details
Playmancer Project: A Serious Videogame as Additional Therapy Tool for Eating and Impulse Control Disorders Reviews and few non-controlled studies showed the effectiveness of several specific designed computer video-games as an additional form of treatment… S. Jiménez-Murcia, F. Aranda, E. Kalapanidas, D. Konstantas, T. Ganchev, O. Kocsis, T. Lam, J. Santamaría, T. Raguin, C. Breiteneder, H. Kaufmann, C. Davarakis Details

Journals

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… M. Zeppelzauer, D. Mitrovic, C. Breiteneder Details
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… F. Seitner, M. Bleyer, M. Gelautz, R. Beuschel Details
Dynamic Differential Geometry in Education We present an augmented reality application which introduces differential geometry in educational dynamic geometry software. New functionality such… H. Kaufmann Details
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… E. Kalapanidas, C. Davarakis, F. Aranda, S. Jiménez-Murcia, O. Kocsis, T. Ganchev, H. Kaufmann, T. Lam, D. Konstantas Details
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… K. Kaiser, S. Miksch Details
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… H. Kaufmann Details

Conferences

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… C. Rhemann, C. Rother, J. Wang, M. Gelautz, P. Kohli, P. Rott Details
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… M. Bleyer, M. Gelautz, C. Rother, C. Rhemann Details
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… C. Rhemann, M. Gelautz, B. Foelsner Details
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… M. Zaharieva, M. Zeppelzauer, D. Mitrovic, C. Breiteneder Details
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 –… V. Kropf, M. Zeppelzauer, S. Hahn, D. Mitrovic Details
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… A. Hosni, M. Bleyer, M. Gelautz Details
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… A. Hosni, M. Bleyer, M. Gelautz, C. Rhemann Details
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… A. Seyfang, K. Kaiser, S. Miksch Details
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… D. Singaraju, C. Rother, C. Rhemann Details
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… D. Mitrovic, M. Zeppelzauer, H. Eidenberger Details
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… H. Jordan, F. Seitner, M. Bleyer, M. Gelautz Details
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.… M. Bleyer, M. Gelautz Details

Reports

Curious computers http://www.heise.de H. Eidenberger Details
Java Media Framework http://www.heise.de H. Eidenberger Details
JeeCam Communication Server http://www.heise.de H. Eidenberger Details
Light theatre http://www.heise.de H. Eidenberger Details
Pipelines: IPTV, MPEG-21, IMS http://www.heise.de H. Eidenberger Details
ReMINE Deliverable 4.7 -- First Release of the Adverse Risk Management Support System In recent years sophisticated approaches have been developed in order to permit computerized processing and visualizing of clinical practice… T. Gschwandtner, K. Kaiser, A. Seyfang Details
ReMINE Internal Deliverable -- Second Release of the Adverse Risk Management Support System In recent years sophisticated approaches have been developed in order to permit computerized processing and visualizing of clinical practice… T. Gschwandtner, K. Kaiser, S. Miksch, A. Seyfang Details
Technical Report - 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… C. Rhemann, C. Rother, J. Wang, M. Gelautz, P. Kohli, P. Rott Details

Talks

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… 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 Details
Digital Media - Visual Computing M. Gelautz: "Digital Media - Visual Computing"; Talk: femIT Ringvorlesung, Innsbruck (invited); 11-25-2009. M. Gelautz Details
Image Matting and Evaluation M. Gelautz, C. Rhemann: "Image Matting and Evaluation"; Talk: ITG Fachtagung "Algorithmen für die Signalverarbeitung", Graz (invited); 10-02-2009. M. Gelautz, C. Rhemann Details
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… C. Rhemann Details
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… M. Gelautz, D. Markovic, E. Stavrakis Details
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… M. Gelautz Details
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… K. Kaiser Details

Theses

Applications of Mixed Reality This thesis gives an overview of the author´s scientific work in previous years. It reflects the author´s ambition to develop applications of mixed… H. Kaufmann Details
Coreference Detection in Clinical Practice Guidelines Focusing on Hypernym/Hyponym Relations M. Romauch: "Coreference Detection in Clinical Practice Guidelines Focusing on Hypernym/Hyponym Relations"; Supervisor: K. Kaiser, S. Miksch;… M. Romauch Details
Evaluierung konkurrierender Datenterme für das Stereokorrespondenzproblem At the moment, many stereo matching algorithms (global and local) only use intensity values for the disparity map calculation. However, recent… R. Gross Details
Improving Data Fusion in User Positioning Systems A fault detection and correction methodology for user positioning systems based on Kalman filtering is presented in this thesis. To develop this… E. Herrera Details
Information Requisition is the Core of Guideline-Based Medical Care: Which Information is Needed for Whom? One indispensable precondition for designing a functional software product is to gather knowledge about (1) who is going to use the software, (2)… T. Gschwandtner Details
Kinetosis / Motion Sickness: A new Approach for Adaptation in Virtual Reality Kinetosis is the medical expression for motion sickness. It comes from the Greek word "kinein" which means "to move". In this master´s thesis the… P. Kölndorfer Details
Stereoscopic Non-Photorealistic Rendering E. Stavrakis: "Stereoscopic Non-Photorealistic Rendering"; Supervisor, Reviewer: M. Gelautz, E. Gröller; Institut für Softwaretechnik und Interaktive… E. Stavrakis Details

Published in 2010

Books

Applications of Mixed Reality This thesis gives an overview of the author´s scientific work in previous years. It reflects the author´s ambition to develop applications of mixed… H. Kaufmann Details
Features for Content-Based Audio Retrieval Today, a large number of audio features exists in audio retrieval for ifferent purposes, such as automatic speech recognition, music information… D. Mitrovic, M. Zeppelzauer, C. Breiteneder Details

Journals

An Empirical Pipeline to Derive Gaze Prediction Heuristics for 3D Action Games Gaze analysis and prediction in interactive virtual environments, such as games, is a challenging topic since the 3D perspective and variations of… M. Bernhard, E. Stavrakis, M. Wimmer Details
Archive Film Comparison In this paper, the authors present an approach for video comparison, in which an instantiated framework allows for the easy comparison of different… M. Zaharieva, M. Zeppelzauer, D. Mitrovic, C. Breiteneder Details
Easing Semantically Enriched Information Retrieval - An Interactive Semi-Automatic Annotation System for Medical Documents Mapping medical concepts from a terminology system to the concepts in the narrative text of a medical document is necessary to provide semantically… T. Gschwandtner, K. Kaiser, P. Martini, S. Miksch Details
Use of strategy in a 3-dimensional spatial ability test Use of strategy was investigated using a new spatial test in which items are presented in three-dimensional space and solutions are actively… I. Strasser, I. Koller, S. Strauß, M. Csisinko, H. Kaufmann, J. Glück Details

Conferences

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… M. Zeppelzauer, M. Zaharieva, D. Mitrovic, C. Breiteneder Details
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… C. Rhemann, C. Rother, P. Kohli, M. Gelautz Details
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… M. Seidl, M. Zeppelzauer, C. Breiteneder Details
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,… E. Herrera, H. Kaufmann Details
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… M. Zaharieva, M. Zeppelzauer, C. Breiteneder, D. Mitrovic Details
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… M. Bleyer, S. Chambon Details
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… A. Hosni, M. Bleyer, M. Gelautz, C. Rhemann Details
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… K. Kaiser, A. Seyfang, S. Miksch Details
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… T. Gschwandtner, K. Kaiser, S. Miksch Details
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… H. Nickisch, C. Rother, P. Kohli, C. Rhemann Details
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… A. Hosni, M. Bleyer, M. Gelautz Details
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… D. Mitrovic, S. Hartlieb, M. Zeppelzauer, C. Breiteneder Details
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… K. Kaiser, S. Miksch Details
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… M. Bleyer, C. Rother, P. Kohli Details
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… M. Csisinko, H. Kaufmann Details

Reports

JOANNEUM RESEARCH and Vienna University of Technology at TRECVID 2010 We participated in two tasks: semantic indexing (SIN) and instance search (INS). SIN runs We submitted 4 light runs, 2 with RBF kernel, 2 with a… W. Bailer, S. Hölzl, R. Mörzinger, H. Stiegler, F. Lee, R. Sorschag Details
ReMINE Deliverable 4.8 -- Third Release of the Adverse Risk Management Support System T. Gschwandtner, K. Kaiser, S. Miksch, A. Seyfang: "ReMINE Deliverable 4.8 -- Third Release of the Adverse Risk Management Support System"; Report… T. Gschwandtner, K. Kaiser, S. Miksch, A. Seyfang Details

Talks

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. M. Gelautz, F. Seitner, M. Bleyer Details
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. M. Gelautz Details
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… C. Rhemann, C. Rother, P. Kohli, M. Gelautz Details
Digital Media - Visual Computing M. Gelautz: "Digital Media - Visual Computing"; Talk: femIT Ringvorlesung, Linz (invited); 11-04-2010. M. Gelautz Details
Digital Media - Visual Computing M. Gelautz: "Digital Media - Visual Computing"; Talk: femIT Ringvorlesung, Krems (invited); 03-04-2010. M. Gelautz Details
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. M. Gelautz Details
Filtering for Visual Correspondance C. Rhemann, A. Hosni, M. Bleyer, C. Rother, M. Gelautz: "Filtering for Visual Correspondance"; Talk: Microsoft Research Cambridge, Vision Meeting,… C. Rhemann, A. Hosni, M. Bleyer, C. Rother, M. Gelautz Details
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… A. Hosni, M. Bleyer, M. Gelautz Details
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… M. Bleyer Details
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,… A. Mossel Details
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… M. Gelautz, A. Hosni, M. Bleyer, C. Rhemann, C. Rother Details
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… M. Bleyer, C. Rother, P. Kohli Details
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… M. Bleyer, C. Rother, P. Kohli Details
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. M. Gelautz Details

Theses

Ein relationales Framework zur Verwaltung von videobasierten Trajektorien L. Frey: "Ein relationales Framework zur Verwaltung von videobasierten Trajektorien"; Supervisor: M. Gelautz; E188, 2010. L. Frey Details
Erstellung eines Standarddatensatzes für die Evaluierung von Alpha Matting Algorithmen und Aufbereitung der Resultate für die Lehre "Image Matting" is the process of separating a foreground object from a background in digital images. In order to quantitatively compare the results… J. Pucher Details
Interactive Image Matting Image matting aims to extract a foreground object from a single natural image by recovering the partial transparency and corresponding color of the… C. Rhemann Details
Modeling Sources and Sinks in Crowded Scenes by Clustering Trajectory Points Obtained by Video-based Particle Advection Analysis of real surveillance video footage is very challenging - hence this thesis provides solutions to enhance the quality of trajectories of… R. Planinc Details
Neue Kameraperspektiven bei TV Sportübertragungen A. Regner: "Neue Kameraperspektiven bei TV Sportübertragungen"; Supervisor: M. Gelautz; E188, 2010. A. Regner Details
Runtime-optimised Intra Coding Mode Selection for Real-time H.264/AVC Video Coding H. Jordan: "Runtime-optimised Intra Coding Mode Selection for Real-time H.264/AVC Video Coding"; Supervisor: M. Gelautz, F. Seitner, M. Bleyer;… H. Jordan Details

Published in 2011

Books

Fundamental Media Understanding Media understanding is the science/art of identifying semantic structures in digital media objects such as audio, biosignals, images, text and… H. Eidenberger Details
Identifying Treatment Activities for Modelling Computer-Interpretable Clinical Practice Guidelines K. Kaiser, A. Seyfang, S. Miksch: "Identifying Treatment Activities for Modelling Computer-Interpretable Clinical Practice Guidelines"; in:… K. Kaiser, A. Seyfang, S. Miksch Details
Wireless Displays in Educational Augmented Reality Applications Augmented Reality (AR) as defined by Azuma [1] does not pose restrictions on output devices to be used for AR. Starting with light-weight notebooks… H. Kaufmann, M. Csisinko Details

Journals

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… N. Brosch, A. Hosni, G. Ramachandran, L. He, M. Gelautz Details
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… F. Seitner, M. Bleyer, M. Gelautz, R. Beuschel Details
Film Analysis of Archive Documentaries Film experts, archives and museums state highly demanding requirements for automated film analysis. The experimental style of archive documentaries… M. Zaharieva, D. Mitrovic, M. Zeppelzauer, C. Breiteneder Details
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… M. Seidl, M. Zeppelzauer, D. Mitrovic, C. Breiteneder Details
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… R. Huber-Mörk, S. Zambanini, M. Zaharieva, M. Kampel Details
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… T. Gschwandtner, K. Kaiser, S. Miksch Details
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. M. Zeppelzauer, M. Zaharieva, D. Mitrovic, C. Breiteneder Details

Conferences

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… K. He, C. Rhemann, C. Rother, X. Tang, J. Sun Details
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.… R. Sorschag, M. Hörhan Details
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… T. Gschwandtner, W. Aigner, K. Kaiser, S. Miksch, A. Seyfang Details
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… C. Schönauer, T. Pintaric, H. Kaufmann, S. Jansen-Kosterink, M. Vollenbroek-Hutten Details
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… R. Sorschag Details
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… M. Zeppelzauer, D. Mitrovic, C. Breiteneder Details
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… M. Csisinko, H. Kaufmann Details
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… B. El-Gamil, W. Winiwarter, B. Božić, H. Wahl Details
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… T. Gschwandtner, W. Aigner, K. Kaiser, S. Miksch, A. Seyfang Details
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… M. Seidl, C. Breiteneder Details
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… C. Rhemann, A. Hosni, M. Bleyer, C. Rother, M. Gelautz Details
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… C. Schönauer, T. Pintaric, H. Kaufmann Details
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… L. He, M. Bleyer, M. Gelautz Details
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… M. Bleyer, C. Rother, P. Kohli, D. Scharstein, S. Sinha Details
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… M. Bleyer, C. Rhemann, C. Rother Details
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… A. Hosni, M. Bleyer, C. Rhemann, M. Gelautz, C. Rother Details
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… D. Mitrovic, M. Zeppelzauer, M. Zaharieva, C. Breiteneder Details
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… N. Brosch, C. Rhemann, M. Gelautz Details
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… K. Kaiser, A. Seyfang Details
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… A. Hosni, C. Rhemann, M. Bleyer, M. Gelautz Details
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… A. Hosni, C. Rhemann, M. Bleyer, M. Gelautz Details

Reports

JOANNEUM RESEARCH and Vienna University of Technology at TRECVID 2011: Semantic Indexing and Instance Search W. Bailer, R. Sorschag, F. Lee, H. Stiegler, G. Schwendt: "JOANNEUM RESEARCH and Vienna University of Technology at TRECVID 2011: Semantic Indexing… W. Bailer, R. Sorschag, F. Lee, H. Stiegler, G. Schwendt Details
MHB-F Specification MHB-F stands for Many-Headed Bridge, Free-text version. It is an intermediate representation tailored to the modelling of clinical guidelines or… A. Seyfang, K. Kaiser Details

Talks

3D Interaction Technique Authoring utilizing VITAL (Virtual Environment Interaction Technique Abstraction Layer) VITAL is a framework targeted on 3D interaction technique (3DIT) authors. Its open architecture promotes creation of 3DIT implementations which are… M. Csisinko Details
Ausgewählte Kapitel aus Visual Computing: 3D Video und Bildstilisierung M. Gelautz: "Ausgewählte Kapitel aus Visual Computing: 3D Video und Bildstilisierung"; Talk: Gastvortrag FH Kapfenberg, Kapfenberg (invited);… M. Gelautz Details
Automated Analysis and Retrieval of Archive Film M. Zeppelzauer: "Automated Analysis and Retrieval of Archive Film"; Talk: 4. Forum Medientechnik, St. Pölten (invited); 11-24-2011 - 11-25-2011. M. Zeppelzauer Details
Recent advances in segmentation and stereo matching C. Rhemann: "Recent advances in segmentation and stereo matching"; Talk: Eingeladener Vortrag am Max Planck Inst., MPI Saarbrücken, Deutschland… C. Rhemann Details
Recent Progress in Stereo Matching M. Bleyer: "Recent Progress in Stereo Matching"; Talk: ÖAGM / AAPR Workshop 2011, Graz (invited); 03-26-2011 - 03-27-2011. M. Bleyer Details
Recent Progress in Stereo Matching M. Bleyer: "Recent Progress in Stereo Matching"; Talk: The 29th Pattern Recognition and Computer Vision Colloquium - Czech Technical University, Prag… M. Bleyer Details

Theses

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. F. Pilz Details
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. M. Autengruber Details
Bestimmung von Hominoidsegmenten aus 3D-Bodyscannerdaten K. Schiffl: "Bestimmung von Hominoidsegmenten aus 3D-Bodyscannerdaten"; Supervisor: M. Gelautz, A. Baca; Institute of Software Technology and… K. Schiffl Details
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,… J. Weissenböck Details
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… G. Gerstweiler, E. Vonach Details
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.… S. Arnberger Details
Echtzeitansätze in der Stereoanalyse C. Czermak: "Echtzeitansätze in der Stereoanalyse"; Supervisor: M. Bleyer, M. Gelautz; Institute of Software Technology and Interactive Systems, 2011. C. Czermak Details
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… G. Braun Details
Entwicklung eines multitouchfähigen Schaufensters M. Grünling: "Entwicklung eines multitouchfähigen Schaufensters"; Supervisor: H. Kaufmann; 188/2, 2011. M. Grünling Details
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. B. Gneiss Details
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.… A. Bogner Details
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… M. Eisenbarth Details
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… T. Hahn Details
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… M. Zaharieva Details
Interactive image segmentation in higher order graphs D. Antensteiner: "Interactive image segmentation in higher order graphs"; Supervisor: M. Gelautz, C. Rhemann; 188/2, 2011. D. Antensteiner Details
Rauschunterdrückung einer nicht ausgerichteten Bildfolge R. Kloibhofer: "Rauschunterdrückung einer nicht ausgerichteten Bildfolge"; Supervisor: M. Gelautz, C. Rhemann; 188/2, 2011. R. Kloibhofer Details
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;… M. Humenberger Details
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… D. Mitrovic, M. Zeppelzauer Details

Published in 2012

Books

Advances in Multimedia Modeling K. Schoeffmann, B. Merialdo, A. Hauptmann, C. Ngo, Y. Andreopoulos, C. Breiteneder: "Advances in Multimedia Modeling"; in series "Lecture Notes in… K. Schoeffmann, B. Merialdo, A. Hauptmann, C. Ngo, Y. Andreopoulos, C. Breiteneder Details
Frontiers of Media Understanding Media understanding is the science/art of identifying semantic structures in digital media objects such as audio, biosignals, images, text and… H. Eidenberger Details
Handbook of Multimedia Information Retrieval Multimedia information retrieval: That is the desire to make computers see, hear and understand like humans do. Is it possible to give perception to… H. Eidenberger Details
Professional Media Understanding Media understanding is the science/art of identifying semantic structures in digital media objects such as audio, biosignals, images, text and… H. Eidenberger Details

Journals

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… R. Sorschag Details
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… M. Zeppelzauer, D. Mitrovic, C. Breiteneder Details
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… A. Mossel, C. Schönauer, G. Gerstweiler, H. Kaufmann Details
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… P. Kohli, H. Nickisch, C. Rother, C. Rhemann Details
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… A. Stöger, G. Heilmann, M. Zeppelzauer, A. Ganswindt, S. Hensman, B. Charlton Details

Conferences

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… M. Zeppelzauer, M. Zaharieva, C. Breiteneder Details
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… A. Hosni, M. Gelautz, M. Bleyer Details
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… H. Kaufmann Details
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… T. Langlotz, M. Zingerle, R. Grasset, H. Kaufmann, G. Reitmayr Details
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… M. Seidl, C. Breiteneder Details
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… C. Schönauer, H. Kaufmann, S. Jansen-Kosterink, M. Vollenbroek-Hutten Details
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)… B. Kohn, A. Belbachir, T. Hahn, H. Kaufmann Details
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… M. Bleyer, C. Rhemann, C. Rother Details
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… C. Schönauer, T. Pintaric, H. Kaufmann Details
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… P. Kán, H. Kaufmann Details
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… R. Sorschag Details
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… S. Ghuffar, N. Brosch, N. Pfeifer, M. Gelautz Details
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… C. Schönauer, K. Fukushi, A. Olwal, H. Kaufmann, R. Raskar Details
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… P. Kán, H. Kaufmann Details
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… M. Eisenbarth, F. Seitner, M. Gelautz Details
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… M. Zaharieva, C. Breiteneder Details
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… R. Sorschag Details
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… N. Brosch, A. Hosni, C. Rhemann, M. Gelautz Details
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… E. Piatkowska, A. Belbachir, S. Schraml, M. Gelautz Details

Reports

Analyzing the Feasibility of PTAM based Localization Algorithms in Large Environments on Mobile Devices Augmented reality (AR) is a young field in science and industry. In AR we interact in a real environment with virtual content. AR has the potential… O. Kosyreva, C. Schönauer, H. Kaufmann, E. Vonach, G. Gerstweiler Details

Talks

3D Film - Herausforderungen an die Wissenschaft M. Gelautz: "3D Film - Herausforderungen an die Wissenschaft"; Talk: Informatiktag 2012, Wien (invited); 11-05-2012. M. Gelautz Details
ARTiFICe - An Augmented Reality Framework for Distributed Collaboration This talk presents a flexible and powerful software framework based on an off the shelf game engine which is used to develop distributed and… A. Mossel Details
Ausgewählte Kapitel aus Visual Computing: 3D Video und Bildstilisierung M. Gelautz: "Ausgewählte Kapitel aus Visual Computing: 3D Video und Bildstilisierung"; Talk: Gastvortrag FH Kapfenberg, Kapfenberg (invited);… M. Gelautz Details
Distributed Interaction with Kinect and Mobile Phone in Augmented Reality A. Mossel, C. Schönauer: "Distributed Interaction with Kinect and Mobile Phone in Augmented Reality"; Talk: IGDA Unity3D, Vienna (invited);… A. Mossel, C. Schönauer Details
Interactive Video Segmentation via Efficient Filtering In [2], we present a fast, interactive segmentation and matting framework for videos. It is based on recent work [5] that recovers high-quality… N. Brosch, A. Hosni, C. Rhemann, M. Gelautz Details
Virtual Reality Training for Upper Limb Prosthesis Patients The initial fitting of an upper limb prosthesis can be a frustrating experience for amputees, impairing the learning of prosthesis control.… A. Mossel Details

Theses

A Virtual Dressing Room based on Depth Data Many of the currently existing Virtual Dressing Rooms are based on diverse approaches. Those are mostly virtual avatars or fiducial markers, and they… P. Presle Details
Augmented Reality Video - Situated Video Compositions in Panorama-based Augmented Reality Applications The rapid development of mobile devices such as smart phones has led to new possibilities in the context of Mobile Augmented Reality (AR). While… M. Zingerle Details
Combining Multiple Depth Cameras for Reconstruction In the past few years depth cameras and their applications have gained more and more attention. Especially the publication of the Microsoft Kinect… K. Wendelin Details
Eine Untersuchung zur Wichtigkeit von Farbe in Stereo-Matching The aim of stereo-algorithms is to find corresponding points in two horizontally displaced images. The displacement between these corresponding… A. Hasslacher Details
Emotionsbasierte Videoverfremdung This master thesis is about obfuscation of persons shown in a video. The obfuscation process is based on an automatic evaluation of emotional speech.… C. Fischl Details
Evaluierung eines nichtlinearen Disparitätsmapping Ansatzes zur Anpassung von Stereo 3D Inhalten When producing a high quality 3D film via stereo cameras, producers often have to face the challenge to make changes of the depth perception in post… S. Stransky Details
Integration von automatischer Shoterkennung und Disparitätsabschätzung in ein Stereo Matching Framework Two 2D-images, recorded from a pair of parallel cameras, have a slightly different perspective because of their horizontal displacement. This can be… V. Nake Details
Intelligent Video Annotation and Retrieval Techniques Videos are an integral part of current information technologies and the web. The demand for efficient retrieval rises with the increasing number of… R. Sorschag Details
Physics Driven 3D Dynamic Geometry Software for Elementary Education Spatial abilities are an essential part of human recognition and general intelligence. They represent our ability to perceive spatial patterns,… D. Zeller Details
System zum Vergleich von Interest-Point-Detektoren In this work an overview of the most important methods for interest-point-detection is provided. Common concepts are explained in detail.… P. Eisele Details
Zeitlich konsistente Disparitätsbestimmung in einem globalen Stereo Matching Verfahren The increasingly popular 3D technology extends the movie experience by an additional dimension: depth. However, this technology introduces entirely… E. Hiller Details

Published in 2013

Books

Identifying Condition-Action Sentences Using a Heuristic-Based Information Extraction Method Translating clinical practice guidelines into a computer-interpretable format is a challenging and laborious task. In this project we focus on… R. Wenzina, K. Kaiser Details
Stereo Matching - State-of-the-Art and Research Challenges M. Bleyer, C. Breiteneder: "Stereo Matching - State-of-the-Art and Research Challenges"; in: "Advanced Topics in Computer Vision", issued by:… M. Bleyer, C. Breiteneder Details
Supporting Computer-interpretable Guidelines´ Modeling by Automatically Classifying Clinical Actions Modeling computer-interpretable clinical practice guidelines is a complex and tedious task that has been of interest for several attempts to automate… A. Minard, K. Kaiser Details

Journals

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… S. Jansen-Kosterink, R. Veld, C. Schönauer, H. Kaufmann, H. Hermens, M. Vollenbroek-Hutten Details
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… M. Zeppelzauer Details
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… A. Hosni, C. Rhemann, M. Bleyer, C. Rother, M. Gelautz Details
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… E. Herrera, H. Kaufmann, J. Secue, R. Quiros, G. Fabregat Details
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… J. Yoo, M. Park, J. Cho, K. Lee Details
Qualität nach Maß Vertraglich festgelegte Preise können durch das Gewährleistungsrecht in Frage gestellt werden. In der Auftrags-Softwareentwicklung ist ein… H. Eidenberger Details
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… A. Hosni, M. Bleyer, M. Gelautz Details
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… C. Schönauer, H. Kaufmann Details

Conferences

15 Years of VR/AR in Education - A Personal Summary and Outlook 15 Years of VR/AR in Education - A Personal Summary and Outlook H. Kaufmann Details
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… C. Schönauer, E. Vonach, G. Gerstweiler, H. Kaufmann Details
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… C. Schönauer, E. Vonach, G. Gerstweiler, H. Kaufmann Details
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.… A. Mossel, B. Venditti, H. Kaufmann Details
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… T. Akhavan, H. Yoo, M. Gelautz Details
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… B. El-Gamil, W. Winiwarter Details
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… M. Zeppelzauer, A. Stöger, C. Breiteneder Details
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… E. Piatkowska, A. Belbachir, M. Gelautz Details
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… M. Zaharieva, M. Zeppelzauer, C. Breiteneder Details
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… M. Leichtfried, C. Kaltenriner, A. Mossel, H. Kaufmann Details
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.… S. Ikehata, J. Cho, K. Aizawa Details
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… J. Cho, S. Ikehata, H. Yoo, M. Gelautz, K. Aizawa Details
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… M. Hornacek, C. Rhemann, M. Gelautz, C. Rother Details
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… P. Kán, H. Kaufmann Details
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… P. Kán, H. Kaufmann Details
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… A. Mossel, B. Venditti, H. Kaufmann Details
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.… K. Vasylevska, H. Kaufmann, E. Suma, M. Bolas Details
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… J. Kogler, F. Eibensteiner, M. Humenberger, M. Gelautz, J. Scharinger Details
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… R. Wenzina, K. Kaiser Details
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… M. Hörhan, H. Eidenberger Details
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… G. Gerstweiler, H. Kaufmann, C. Schönauer, E. Vonach Details
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… T. Perl, B. Venditti, H. Kaufmann Details
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… A. Minard, K. Kaiser Details
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… P. Fikar, C. Schönauer, H. Kaufmann Details
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… M. Zeppelzauer, M. Zaharieva, M. Fabro Details
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… A. Seyfang, K. Kaiser, T. Gschwandtner, S. Miksch Details
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… A. Mossel, H. Kaufmann Details

Talks

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… M. Gelautz Details
Augmented Reality H. Kaufmann: "Augmented Reality"; Keynote Lecture: Funkenflug - Innovationsforum Völkerkundemuseum, Welt Museum Wien (invited); 01-10-2013. H. Kaufmann Details
Augmented Reality Technologien und Industrielle Anwendungsmöglichkeiten Augmented Reality Technologien und Industrielle Anwendungsmöglichkeiten H. Kaufmann Details
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. M. Hornacek Details
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,… M. Hornacek Details
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,… M. Hornacek Details
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. M. Hornacek Details
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… H. Kaufmann Details
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… K. Vasylevska, H. Kaufmann, M. Bolas, E. Suma Details
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… E. Varnousfaderan, M. Gelautz, B. Price, J. Cho Details
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… M. Gelautz Details
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,… A. Mossel, G. Gerstweiler, E. Vonach, K. Chmelina, H. Kaufmann Details
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,… M. Hornacek Details
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… K. Kaiser Details
Virtual- and Augmented Reality in Education H. Kaufmann: "Virtual- and Augmented Reality in Education"; Talk: Intel Webinar, Internet (invited); 09-04-2013. H. Kaufmann Details

Theses

A Virtual Reality Training Tool for Upper Limb Prostheses The technology of electromyography has become very common in being used to control hand prostheses. This technology allows the capture of controlling… M. Bressler Details
Autonome Lokalisierung und Navigation eines unbemannten Luftfahrzeugs (UAV) mithilfe eines Smartphones als zentrale Recheneinheit An UAV (Unmanned Aerial Vehicle) is an aircraft flying without an on-board human pilot. For example they can be utilized to explore for human… C. Kaltenriner, M. Leichtfried Details
BCI-Based Cursor Control Using EEG Sensorimotor Rhythms Brain-computer interfaces (BCIs) are human-computer interaction systems in which users communicate with a computer via a direct neural interface.… S. Böhm Details
Content-based video summarization to Object Maps The amount of digital video content available in the web is constantly increasing. Its handling requires efficient technologies: text search on large… M. Martos Details
Cross-Platform Tracking of a 6DoF Motion Controller There is a lack of software for 6DoF (six degrees of freedom) tracking using affordable off-theshelf hardware. With the introduction of motion… T. Perl Details
Kontrollflusstransformation von BPMN zu Asbru BPMN is a well known and understandable, graphical process description language for business processes and is supported by a variety of modelling… T. Tschach Details
Novel Methods for Discontinuity Preserving Support Aggregation in Local Stereo Matching This thesis addresses the stereo matching problem, in which the depth information for scene objects is obtained by matching corresponding pixels in a… A. Hosni Details
Pattern-Based MIDI Composing This master thesis deals with different approaches for algorithmic composing. Such techniques are merged with methods of pattern recognition. The aim… J. Fellner Details
Positive Impact Game as a Contribution to Movement Rehabilitation With the continuous improvements in surgery and the rapid development of bioelectrical interfaces, a new type of prosthesis with a higher quality is… J. Brandstetter Details
Stereo Matching M. Bleyer: "Stereo Matching"; Institut für Softwaretechnik und interaktive Systeme, 2013. M. Bleyer Details
Support Framework for Obstacle Detection on Autonomous Trains Autonomous driving vehicles are a rapidly emerging technlogy that will radically transform the face of public and personal transportation in the near… M. Gschwandtner Details
Tracking and Visual Quality Inspection in Harsh Environments M. Heber: "Tracking and Visual Quality Inspection in Harsh Environments"; Supervisor, Reviewer: H. Bischof, M. Gelautz; Institute for Computer… M. Heber Details
Videosegmentierung durch Analyse audiovisueller Merkmale Due to the increasing amount of digital videos the segmentation and classification of videos is manually no longer feasible. Hence there is a need… C. Fuchs Details
Virtual HW/SW Prototyping for Design and Runtime Prediction of Parallel Video Coding Systems The high computational demands of state-of-the-art video coding standards such as H.264 pose serious challenges on embedded processor architectures.… F. Seitner Details
Visualizing and interactive modelling of process hierarchies This study deals with the visualization and modeling of protocol-based treatment plans that are composed from hierarchically structured… H. Hirsch Details

Published in 2014

Books

Advances in Embedded Computer Vision This illuminating collection offers a fresh look at the very latest advances in the field of embedded computer vision. Emerging areas covered by this… B. Kisacanin, M. Gelautz Details
Categorization and Machine Learning: The Modeling of Human Understanding in Computers Machine learning is the attempt to imitate human categorization of perceived reality in computers. It is driven by the desire to provide machines… H. Eidenberger Details
GeodiKon. Die Lernmaterialien Das Buch enthält mehr als 100 ausgewählte, erprobte und nach speziellen Kriterien zusammengestellte Raumvorstellungsübungen, durch die die… A. Asperl, C. Feßl, W. Gems, H. Kaufmann, S. Leopoldseder, G. Maresch, D. Miestinger, T. Müller, K. Luksch, G. Redl, K. Scheiber, G. Schilling, H. Schmied, H. Slepcevic, M. Wischounig Details
Walking in Virtual Reality: Flexible Spaces and Other Techniques In many virtual reality applications the virtual world is larger than the available physical workspace. Multiple mechanical solutions have been… K. Vasylevska, I. Podkosova, H. Kaufmann Details

Journals

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";… A. Stöger, M. Zeppelzauer, A. Baotic Details
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… E. Piatkowska, A. Belbachir, M. Gelautz Details
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… J. Kogler, F. Eibensteiner, M. Humenberger, C. Sulzbachner, M. Gelautz, J. Scharinger Details
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… S. Ghuffar, N. Brosch, N. Pfeifer, M. Gelautz Details
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… A. Mossel, M. Leichtfried, C. Kaltenriener, H. Kaufmann Details
Software ohne Gewähr Wer glaubt, dass der Markt allein den Preis einer Software bestimmt, der negiert wesentliche Aspekte des Rechtsgeschäfts… H. Eidenberger Details
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… M. Zeppelzauer, S. Hensman, A. Stöger Details
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… A. Mossel, G. Gerstweiler, E. Vonach, K. Chmelina, H. Kaufmann Details

Conferences

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… M. Zaharieva, P. Schwab Details
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… E. Vonach, G. Gerstweiler, H. Kaufmann Details
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… M. Zaharieva, P. Schopfhauser, M. Fabro, M. Zeppelzauer Details
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… M. Nezveda, N. Brosch, F. Seitner, M. Gelautz Details
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… M. Riederer, C. Schönauer, H. Kaufmann, E. Söchting, C. Lamm Details
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:… K. Chmelina, A. Mossel, H. Kaufmann Details
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… M. Ivancsics, N. Brosch, M. Gelautz Details
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… N. Brosch, M. Nezveda, M. Gelautz, F. Seitner Details
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… D. Fritz, A. Mossel, H. Kaufmann Details
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… T. Akhavan, H. Yoo, M. Gelautz Details
FT-RANSAC: Towards robust multi-modal homography estimation As the golden standard in robust estimation, the classic RANSAC approach has undergone extensive research that contributed to further enhancements in… A. Barclay, H. Kaufmann Details
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… M. Hörhan, H. Eidenberger Details
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… M. Seidl, E. Wieser, M. Zeppelzauer, A. Pinz, C. Breiteneder Details
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… M. Hornacek, F. Besse, J. Kautz, A. Fitzgibbon, C. Rother Details
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… K. Vasylevska, H. Kaufmann Details
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… M. Zaharieva, M. Riegler, M. Fabro Details
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… K. Chmelina, E. Lammer, A. Mossel, H. Kaufmann Details
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… M. Hornacek, A. Fitzgibbon, C. Rother Details
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… T. Akhavan, C. Kapeller, J. Cho, M. Gelautz Details
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… P. Kán, A. Dünser, M. Billinghurst, C. Schönauer, H. Kaufmann Details
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… R. Wenzina, K. Kaiser Details
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… G. Sageder, M. Zaharieva, M. Zeppelzauer Details
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… R. Wenzina, K. Kaiser Details

Talks

Locally Rigid RGB-D Scene Flow (talk) M. Hornacek: "Locally Rigid RGB-D Scene Flow (talk)"; Talk: Computer Vision Winter Workshop, Krtiny, Tschechische Republik; 02-03-2014. M. Hornacek Details
SphereFlow: 6 DoF Scene Flow from RGB-D Pairs (talk) M. Hornacek: "SphereFlow: 6 DoF Scene Flow from RGB-D Pairs (talk)"; Talk: Pattern Recognition and Computer Vision Colloquium, Prag, Tschechische… M. Hornacek Details
SphereFlow: 6 DoF Scene Flow from RGB-D Pairs (talk) M. Hornacek: "SphereFlow: 6 DoF Scene Flow from RGB-D Pairs (talk)"; Talk: EU-Korea Conference on Science and Technology, Wien (invited); 07-24-2014. M. Hornacek Details

Theses

Depth-guided disocclusion inpainting for temporal consistent virtual view synthesis Depth Image Based Rendering (DIBR) has become an important tool in the field of free-viewpoint video and three-dimensional television as this… T. Rittler Details
Effiziente Tiefenpropagierung in Videos mit GPU-Unterstützung The commercial availability of stereoscopic displays increases the demand for 3D content. Therefore, fast and robust tools for the generation of such… M. Ivancsics Details
Evaluation of depth map post-processing techniques for novel view generation Depth-Image-Based Rendering (DIBR) is a key technology for the processing and distribution of three-dimensional (3D) content. Given a two-dimensional… M. Nezveda Details
High-Quality Real-Time Global Illumination in Augmented Reality High-quality image synthesis, indistinguishable from reality, has been one of the most important problems in computer graphics from its beginning.… P. Kán Details
Intuitive und markerlose Interaktion in einer mobilen Virtual Reality Anwendung auf Basis von RGBD-Daten The diploma thesis discusses touchless interaction techniques on handheld devices to intuitively manipulate a virtual 3D scene that is presented to… D. Fritz Details
Robust Wide-Area Tracking and Intuitive 3D Interaction for Mixed Reality Environments Mixed reality has been a focus of research for many years and has recently gained particular importance with the emergence of powerful, low-cost… A. Mossel Details

Published in 2015

Books

Walking in Virtual Reality: Flexible Spaces and Other Techniques In many virtual reality applications the virtual world is larger than the available physical workspace. Multiple mechanical solutions have been… K. Vasylevska, I. Podkosova, H. Kaufmann Details

Journals

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… A. Mossel Details
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… T. Akhavan, H. Kaufmann Details
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,… M. Zaharieva, M. Fabro, M. Zeppelzauer Details
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… E. Söchting, J. Hartl, M. Riederer, C. Schönauer, H. Kaufmann, C. Lamm Details
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… G. Gerstweiler, E. Vonach, H. Kaufmann Details
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… D. Fritz, A. Mossel, H. Kaufmann Details

Conferences

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… J. Cho, M. Humenberger Details
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… R. Wenzina, K. Kaiser Details
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… P. Kán, J. Unterguggenberger, H. Kaufmann Details
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… H. Eidenberger, A. Mossel Details
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… K. Vasylevska, H. Kaufmann Details
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… P. Kán Details
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… L. Diem, M. Zaharieva Details
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… M. Zaharieva, M. Riegler Details
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… M. Zaharieva, L. Diem Details
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… P. Kán, H. Kaufmann Details
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´… I. Podkosova, H. Kaufmann Details
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… A. Mossel, A. Peer, J. Göllner, H. Kaufmann Details
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:… S. Brodinova, T. Ortner, P. Filzmoser, M. Zaharieva, C. Breiteneder Details
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… M. Zaharieva, M. Zeppelzauer, M. Fabro, D. Schopfhauser Details
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… T. Rittler, F. Seitner, M. Gelautz Details
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… C. Schönauer, A. Mossel, I. Zaiți, R. Vatavu Details
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… A. Mossel, A. Peer, J. Göllner, H. Kaufmann Details
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… F. Seitner, M. Nezveda, M. Gelautz, G. Braun, C. Kapeller, W. Zellinger, B. Moser Details

Patents

Verfahren zum Erstellen eines dreidimensionalen virtuellen Modells einer Umgebung für Anwendungen zur Positionsbestimmung H. Kaufmann, A. Mossel: "Verfahren zum Erstellen eines dreidimensionalen virtuellen Modells einer Umgebung für Anwendungen zur Positionsbestimmung";… H. Kaufmann, A. Mossel Details

Reports

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.… S. Brodinova, T. Ortner, P. Filzmoser, M. Zaharieva, C. Breiteneder Details

Talks

Augmented Reality Anwendungen für Ausbildung und Assistenz In meinem Vortrag werde ich zuerst die mehrjährige Entwicklung einer Augmented Reality (AR) Anwendung für den Geometrieunterricht zusammenfassen und… H. Kaufmann Details
Coarse-to-fine stereo matching for high resolution images Stereo matching denotes the problem of finding correspondences in pairs of images in order to perform 3D reconstruction. However, high resolution… M. Nezveda Details
IRYSTEC - perceptual display engine T. Akhavan: "IRYSTEC - perceptual display engine"; Talk: 4 th Automotive Platform Meeting, DFF - The German Flat Panel Display Forum e.V .,… T. Akhavan Details
Virtual and Augmented Reality in Architecture H. Kaufmann: "Virtual and Augmented Reality in Architecture"; Talk: Augmented Architecture Workshop, Center of Geometry and Computational Design,… H. Kaufmann Details

Theses

Assessing the Sensory Functionality of Children using Depth Data: Development of a reproducible and stable Test for Measuring the Kinaesthesia of Children (with ASD) Autism spectrum disorder (ASD) is a pervasive developmental disorder that often in-volves sensory and motor problems. A sense that has not yet been… J. Hartl Details
Dense Stereo Matching for Urban Outdoor Scenes Dense stereo matching is an active research topic in the area of Computer Vision. Depth information is extracted from a dense correspondence search… K. Lasinger Details
Development and Evaluation of a Virtual Reality Adventure Game for the Virtualizer This thesis describes the design, implementation and evaluation of a virtual reality (VR) adventure game for the Virtualizer, the PrioVR and the… E. Broneder Details
Erfassung sensorischer Fähigkeiten bei Kindern mit Autismus mittels Touchscreen und Berührungssensoren Autism Spectrum Disorder (ASD) is a pervasive developmental disorder with an average prevalence of less than one percent. It is characterized by… M. Riederer Details
Evaluation of a Hybrid Sound Model for 3D Audio Games with Real Walking Audio games are a subcategory of computer games that have spatialized audio as the only output that their players receive. In order to provide a… M. Urbanek Details
Full Body Interaction in Serious Games for Rehabilitation Serious games and especially their employment in healthcare applications are an active and rapidly growing area of research. Video games are expected… C. Schönauer Details
Game-based Health Monitoring using Tangible User Interface Objects Patients being monitored in hospitals often do not behave as in their daily life. Especially for children such examinations can lead to stress… M. Ternek Details
Geometrically Motivated Dense Large Displacement Matching in Continuous Label Spaces The problem of correspondence search (or matching) remains a central focus of research in a variety of domains of computer vision. To date, the… M. Hornacek Details
Interaction in Dense One-Handed Handheld Augmented Reality The rapid improvement of handheld hardware devices enable real-time rendering of a large number of 3D models in handheld augmented reality (AR)… B. Venditti Details
Kameragestützte Informationsvisualisierung durch Augmented Reality für Fahrerassistenzsysteme J. Hofmann-Wellenhof: "Kameragestützte Informationsvisualisierung durch Augmented Reality für Fahrerassistenzsysteme"; Supervisor: H. Kaufmann;… J. Hofmann-Wellenhof Details
MoCapGym: Erlernen motorischer Fähigkeiten mittels Motion-Capture Performing a precise sequence of movements is essential in sports and physical therapy. These exercises have to be repeated regularly, frequently and… E. Vonach Details
On Robust Homography Estimation Across the 2D/3D Modalities Co-registered intensity and range imaging is one example of complementary multi-modality that has been extensively explored for 3D reconstruction,… A. Barclay Details
Temporally Coherent Cost Volume Filtering-based Depth Propagation in Videos The growing availability of three-dimensional (3D) displays in the commercial sector and related trends in this field increase the demand for 3D… T. Schausberger Details
Visualisierungs- und Interaktionstechniken für das Lernen komplexer Bewegungen mit HMD Learning motion skills in Virtual Reality environments requires not only a precise motion tracking system, but also adequate visualization… G. Gerstweiler Details

Published in 2016

Journals

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… M. Rezagholizadeh, T. Akhavan, A. Soudi, H. Kaufmann, J. Clark Details
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… K. Kaiser, M. Marcos Details
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… H. Eidenberger, A. Mossel Details
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… T. Rittler, F. Seitner, M. Gelautz Details

Conferences

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… M. Nezveda, M. Gelautz Details
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… I. Podkosova, M. Urbanek, H. Kaufmann Details
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… E. Vonach, M. Ternek, G. Gerstweiler, H. Kaufmann Details
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… R. Vatavu, A. Mossel, C. Schönauer Details
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.… S. Brodinova, T. Ortner, P. Filzmoser, M. Zaharieva, C. Breiteneder Details
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… G. Sageder, M. Zaharieva, C. Breiteneder Details
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… I. Podkosova, K. Vasylevska, C. Schönauer, E. Vonach, P. Fikar, E. Broneder, H. Kaufmann Details
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… M. Zeppelzauer, G. Poier, M. Seidl, C. Reinbacher, C. Breiteneder, H. Bischof Details
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… A. Mossel, C. Kößler Details
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… W. Zellinger, B. Moser, A. Chouikhi, F. Seitner, M. Nezveda, M. Gelautz Details
Model-based Video Content Representation Recurring visual elements in videos commonly represent central content entities, such as main characters and dominant objects. The automated… L. Diem, M. Zaharieva Details
Streaming and Exploration of Dynamically Changing Dense 3D Reconstructions in Immersive Virtual Reality We introduce a novel framework that enables large-scale dense 3D scene reconstruction, data streaming over the network and immersive exploration of… A. Mossel, M. Kröter Details
Towards Perceptually Coherent Depth Maps in 2D-to-3D Conversion We propose a semi-automatic 2D-to-3D conversion algorithm that is embedded in an efficient optimization framework, i.e., cost volume filtering, which… N. Brosch, T. Schausberger, M. Gelautz Details
Video Content Representation Using Recurring Regions Detection In this work we present an approach for video content representation based on the detection of recurring visual elements or regions. We hypothesize… L. Diem, M. Zaharieva Details

Theses

Design and Evaluation of Stereo Matching Techniques for Silicon Retina Cameras Nowadays, techniques for 3D reconstruction that are used in a variety of computer vision applications need to account for the 3D structure of a… J. Kogler Details