Method and system for color image compression in conjunction wit

Details Method and system for color image compression in conjunction wit Method and system for color image compression in conjunction wit

1994-09-30

1998-03-03

Coles, Sr., Edward L.

Image analysis

Image compression or coding

Substantial processing of image in compressed form

382166, 395114, 358518, 358520, 358523, G03F 308, G06F 1500

Patent

active

057244502

ABSTRACT:
A method and system for compressing and color transforming image data are presented. Color transformation is a process whereby perceptional differences between the expressions of images in color devices are compensated. By transforming a compressed version of the image data, the amount of time in which it takes to perform color transformation can be reduced. Selection of compression techniques which maintain color characteristics of the image data in its compressed form permits the usage of color transformation techniques which already exist for the image data in its uncompressed form. The inventive techniques can be applied either prior to, or after, storage of the image data in an intermediate media or transmission from one device to another.

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patent: 5617517 (1997-04-01), Chi
International Search Report, International Appln. No. PCT/US95/12335 Date of Mailing: 8 Feb. 1996.
"Two Bit/Pixel Full Color Encoding", Graham Campbell et al., Computer Graphics, vol. 20, No. 4, pp. 215-223 (1986).

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