Method for generating a subpixel mask for computer graphics syst

Details Method for generating a subpixel mask for computer graphics syst Method for generating a subpixel mask for computer graphics syst

1994-09-22

1996-08-06

Jankus, Almis R.

395126, 395133, G06F 500

Patent

active

055442943

ABSTRACT:
In a computer graphics system, a method for generating a subpixel mask for polygon edges directly by an operation without using a look-up table, includes the steps of forming subblocks by dividing a pixel into n subpixels depending on the slope of the polygon edge, calculating subblock coverage which is a distance from the pixel boundary to the intersection point of n subblocks and polygon edge, and generating an n.times.n subpixel mask depending on the calculated subblock coverage. In an apparatus using the method, edge-generated aliasing is removed.

REFERENCES:
patent: 5386509 (1995-01-01), Suzuki et al.

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