Interactive Media Systems, TU Vienna


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


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


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


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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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


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


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
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


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
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
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
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
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
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