Method and apparatus for high performance antialiasing which min

Details Method and apparatus for high performance antialiasing which min Method and apparatus for high performance antialiasing which min

1996-09-30

2000-09-05

Powell, Mark R.

Computer graphics processing and selective visual display system

Computer graphics processing

Graph generating

345136, 345425, 345422, 345435, 345426, G06T 1140

Patent

active

061150495

ABSTRACT:
The present invention is an improved system and method of antialiasing which generates a coverage mask which is retained long enough to achieve geometric precision. The coverage mask information is retained throughout the compositing stage of the image generation. A system for antialiasing an image according to the present invention is comprised of a means for compositing an image, wherein the image is composited using coverage mask data of a pixel, and means for storage of data during image compositing, the storage means coupled to the compositing means.

REFERENCES:
patent: 5123085 (1992-06-01), Wells et al.
patent: 5852443 (1998-12-01), Kenworthy
patent: 5854631 (1998-12-01), Akeley et al.
Kurt Akeley, "RealityEngine Graphics", Proceedings of SIGGRAPH '93 (Aug. 1993), pp. 109-116.
Carpenter, Loren, "The A-buffer, an Antialiased Hidden Surface Method", ACM Computer Graphics vol. 18, No. 3, Jul. 1984, pp. 103-108.
Haeberli, Paul and Kurt Akeley, "The Accumulation Buffer: Hardware Support for High-Quality Rendering", ACM Computer Graphics vol. 24, No. 4, Aug. 1990, pp. 309-318.
Mammen, Abraham, "Transparency and Antialiasing Algorithms Implemented with the Virtual Pixel Maps Technique", IEEEComputer Graphics & Application, Jul. 1989, pp. 43-55.

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