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VMV
2004
126views Visualization» more  VMV 2004»
14 years 24 days ago
Top-Down Visual Attention for Efficient Rendering of Task Related Scenes
The perception of a virtual environment depends on the user and the task the user is currently performing in that environment. Models of the human visual system can thus be exploi...
Veronica Sundstedt, Alan Chalmers, Kirsten Cater, ...
VMV
2004
171views Visualization» more  VMV 2004»
14 years 24 days ago
Cloth Motion from Optical Flow
This paper presents an algorithm for capturing the motion of deformable surfaces, in particular textured cloth. In a calibrated multi-camera setup, the optical flow between consec...
Volker Scholz, Marcus A. Magnor
VMV
2004
100views Visualization» more  VMV 2004»
14 years 24 days ago
Vector Quantization Based Data Selection for Hand-Eye Calibration
The paper presents a new vector quantization based approach for selecting well-suited data for hand-eye calibration from a given sequence of hand and eye movements. Data selection...
Jochen Schmidt, Florian Vogt, Heinrich Niemann
VMV
2004
167views Visualization» more  VMV 2004»
14 years 24 days ago
GPU-PIV
Digital Particle Image Velocimetry (PIV) is an optical technique used to measure the velocity of seeded particles in real flow. A CCD camera captures the flow field twice under ex...
Thomas Schiwietz, Rüdiger Westermann
VMV
2004
103views Visualization» more  VMV 2004»
14 years 24 days ago
Hardware-accelerated ambient occlusion computation
In this paper, we present a novel, hardwareaccelerated approach to compute the visibility between surface points and directional light sources. Thus, our method provides a first-o...
Mirko Sattler, Ralf Sarlette, Gabriel Zachmann, Re...
VMV
2004
185views Visualization» more  VMV 2004»
14 years 24 days ago
Convexification of Unstructured Grids
Unstructured tetrahedral grids are a common data representation of three-dimensional scalar fields. For convex unstructured meshes efficient rendering methods are known. For conca...
Stefan Röttger, Stefan Guthe, Andreas Schiebe...
VMV
2004
80views Visualization» more  VMV 2004»
14 years 24 days ago
Memory Efficient Billboard Clouds for BTF Textured Objects
Efficiently rendering highly structured models distant from the viewer constitutes a difficult task since the geometric complexity has to be reduced extremely while simultaneously...
Jan Meseth, Reinhard Klein
VMV
2004
165views Visualization» more  VMV 2004»
14 years 24 days ago
Fast and Accurate Ray-Voxel Intersection Techniques for Iso-Surface Ray Tracing
Visualizing iso-surfaces of volumetric data sets is becoming increasingly important for many practical applications. One crucial task in iso-surface ray tracing is to find the cor...
Gerd Marmitt, Andreas Kleer, Ingo Wald, Heiko Frie...