G - Physics – 09 – G
Patent
G - Physics
09
G
375/53
G09G 5/00 (2006.01) H04N 1/405 (2006.01)
Patent
CA 1306557
SYSTEM FOR PRODUCING DITHERED IMAGES ON ASYMMETRIC GRIDS ABSTRACT OF THE DISCLOSURE An image dithering system for producing dithered image values in response to continuous tone image values and in response to a rectangular dither matrix generated based on a dither matrix designed for a hexagonal grid. Such a rectangular dither matrix is more immune to asymmetrical grid patterns, whose aspect ratios differ from one, than are dither matrices based on other grid patterns, most notably for square or rectangular grid patterns.
568009
Digital Equipment Corporation
Smart & Biggar
LandOfFree
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