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» Reflections on a Geometry of Processes
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VMV
2004
167views Visualization» more  VMV 2004»
15 years 1 months 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
WSCG
2004
189views more  WSCG 2004»
15 years 1 months ago
Hardware Accelerated Soft Shadows using Penumbra Quads
Shadow mapping is a commonly used technique for generating hard shadows in real time. However, existing shadow map based algorithms cannot render full soft shadows penumbras onto ...
Jukka Arvo, Jan Westerholm
WSCG
2004
264views more  WSCG 2004»
15 years 1 months ago
Image Registration Exploiting Five-Point Coplanar Perspective Invariant and Maximum-Curvature Point
Image registrations have been a subject of extensive study over the last decade. They appear in numerous applications including Computer Vision, Pattern Recognition, Medical Image...
Parichart Putjarupong, Chuchart Pintavirooj, Witha...
SCANGIS
2003
15 years 1 months ago
Matching of Datasets
A multiple representation database contains several geographic datasets defined at different resolutions covering the same area. Objects within the different datasets that repre...
Mats Dunkars
SGP
2003
15 years 1 months ago
Edge-Sharpener: Recovering Sharp Features in Triangulations of non-adaptively re-meshed surfaces
3D scanners, iso-surface extraction procedures, and several recent geometric compression schemes sample surfaces of 3D shapes in a regular fashion, without any attempt to align th...
Marco Attene, Bianca Falcidieno, Michela Spagnuolo...