Image generating device with anti-aliasing function

Details Image generating device with anti-aliasing function Image generating device with anti-aliasing function

1996-03-13

1999-05-11

Zimmerman, Mark K.

Computer graphics processing and selective visual display system

Computer graphics processing

Graph generating

345432, 345136, G06T11/40

Patent

active

059032766

ABSTRACT:
A device for generating an image comprising polygons having polygon edges and a reduced aliasing effect on the polygon edges. The device includes a drawing processing unit for obtaining a color of a given dot, an area size occupied by one of the polygons in the given dot, and a direction code indicating a direction of an adjacent dot relative to the given dot, a frame-memory unit for storing the color, the area size, and the direction code for each dot of the image, and a display processing unit for combining the color of the given dot and a color of the adjacent dot indicated by the direction code with a ratio corresponding to the area size to obtain a color to be displayed for the given dot in the image.

REFERENCES:
patent: 5321513 (1994-06-01), Kondo et al.
patent: 5448690 (1995-09-01), Shiraishi et al.
patent: 5455900 (1995-10-01), Shiraishi et al.
patent: 5475493 (1995-12-01), Yamana
patent: 5487142 (1996-01-01), Nakayama et al.
patent: 5519823 (1996-05-01), Barkans

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