Method and system for improving color reduction

Details Method and system for improving color reduction Method and system for improving color reduction

2004-10-06

2008-12-23

Sajous, Wesner (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S600000, C345S606000, C345S643000, C345S549000, C382S162000, C382S165000, C382S167000, C382S300000, C358S518000

Reexamination Certificate

active

07468733

ABSTRACT:
A method and system for reducing or eliminating artifacts that may occur during color reduction of images. A bias is added to a data structure that is arranged to store counts of pixel colors of an image. Counts of pixel colors of the image are added to the data structure. Via the data structure, colors from the image are grouped into buckets until the number of buckets is less than or equal to a number of colors in a palette. Then, colors of pixels in the image are mapped to colors in the palette.

REFERENCES:
patent: 5689575 (1997-11-01), Sako et al.

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