Image drawing with improved area ratio approximation process

Details Image drawing with improved area ratio approximation process Image drawing with improved area ratio approximation process

1992-11-18

1995-04-04

Nguyen, Phu K.

G06F 1572, G06F 1562

Patent

active

054044316

ABSTRACT:
A cross point detection part detects respective positions of cross points of an image's edge crossing sides of respective pixels. An approximated area ratio determination part determines respective approximated area ratios obtained as a result of approximating respective area ratios of areas occupied by the image in the respective pixels by using the positions of the cross points. A darkness determination part determines respective darknesses of the respective pixels in accordance with the approximated area ratios.

REFERENCES:
patent: 5123085 (1992-06-01), Wells et al.
patent: 5202960 (1993-04-01), Seiler
patent: 5237650 (1993-08-01), Priem et al.
patent: 5287442 (1994-02-01), Alcorn et al.
"A Comparison of Antialiasing Techniques" article by IEEE CG & A Jan. 1981, pp. 40-48.

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