G - Physics – 06 – T
Patent
G - Physics
06
T
G06T 11/00 (2006.01)
Patent
CA 2373707
A method and system for the processing, compressing, streaming, efficient transmission, and interactive rendering of 3d color image data are presented. A 3d color image is defined as a collection of 3d xyz locations that possess red-green-blue (RGB) color components just as a conventional 2d color image is a set of 2d xy locations (pixel centers) that possess RGB color components. One major difference is that 2d color images are generally dense and specifically organized on a 2d pixel grid where 3d color images are generally sparse and not organized on a dense-voxel grid in their raw data formats. The described method uses 3d sampling techniques and view-dependent point- size rendering algorithms to provide real-time interactive displays of complex textured 3d objects and scenes without the use of specialized texture mapping support for polygons within 3d graphic display systems. By combining this point-based rendering and modeling approach with an efficient data compression technique that offers a high compression ratio, interactive, realistic 3d graphics can be delivered over relatively low bandwidth channels to devices without custom texture-mapping graphics capabilities.
Arnold Dan
Besl Paul
Rastogi Anu
Zhai Yongjian
Arnold Dan
Bereskin & Parr
Besl Paul
P0instream .net
Rastogi Anu
LandOfFree
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