System and method for polygon-smoothing in texture-based...

Details System and method for polygon-smoothing in texture-based... System and method for polygon-smoothing in texture-based...

2007-03-13

2007-03-13

Zimmerman, Mark (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

C345S630000, C345S592000, C345S420000, C600S425000

Reexamination Certificate

active

10953246

ABSTRACT:
A system and method for polygon-smoothing in texture-based volume rendering is provided. The method comprises the steps of: downsizing a slice polygon and determining boundary polygons around the downsized slice polygon using a smoothing factor, wherein the downsized slice polygon comprises first vertices and the boundary polygons comprise second vertices; generating a falloff ramp between the first vertices of the downsized slice polygon and the second vertices of the boundary polygons; and rendering the downsized slice polygon with texture-based volume rendering and the boundary polygons with texture-based volume rendering and the falloff ramp.

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Cabral, Brian; Cam, Nancy; Foran, Jim; “Accelerated Volume Rendering and Tomographic Reconstruction Using Texture Mapping Hardware;” Symposium on Volume Visualization, Proceedings of the 1994 symposium on Volume visualization, pp. 91-98 and 131.

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