Object space EWA splatting of point-based 3D models

Details Object space EWA splatting of point-based 3D models Object space EWA splatting of point-based 3D models

2007-05-08

2007-05-08

Sajous, Wesner (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S420000, C345S422000, C345S428000, C345S606000, C382S154000, C382S260000

Reexamination Certificate

active

10199141

ABSTRACT:
A method renders a 3D model of a graphics object wherein the model includes discrete zero-dimensional points. A first opaque polygon is centered on each point, and the polygon is rendered to obtain depth values of a depth image in a z-buffer. A second polygon is centered on each point. The second polygons are adapted to associated object space EWA resampling filters, and the adapted second polygons are rendered as an image according to the depth values in the depth image.

REFERENCES:
patent: 6396496 (2002-05-01), Pfister et al.
patent: 6639597 (2003-10-01), Zwicker et al.
patent: 6674430 (2004-01-01), Kaufman et al.
patent: 6744435 (2004-06-01), Zwicker et al.
Zwicker et al., EWA Volume Splatting, IEEE, 2001, pp. 29-36.
Cohen et al., Hybrid Simplification: Combining Multi-Resolution Polygon and Point Rendering, IEEE, 2001, pp. 37-44.
Zwicker et al., EWA Splatting, IEEE, Mar. 15, 2002, pp. 223-238.
Chen et al., POP: A Hybrid Point and Polygon Rendering System for large data, IEEE, 2001, pp. 45-52.

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