System and method for fast volume rendering

Details System and method for fast volume rendering System and method for fast volume rendering

2007-07-10

2007-07-10

Nguyen, Phu K. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

C345S426000

Reexamination Certificate

active

11158879

ABSTRACT:
A method of propagating a ray through an image includes providing a digitized volumetric image comprising a plurality of intensities corresponding to a domain of voxels in a 3-dimensional space, providing a reduced path octree structure of said volumetric image, said reduced path octree comprising a plurality of first level nodes, wherein each first level node contains a plurality of said voxels, initializing a ray inside said volumetric image, and visiting each first level node along said ray, wherein if said first level node is non-empty, visiting each voxel contained within each first level node.

REFERENCES:
patent: 6587110 (2003-07-01), Kunimatsu et al.
patent: 6597359 (2003-07-01), Lathrop

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