Image analysis – Color image processing – Compression of color images
Reexamination Certificate
2007-01-16
2007-01-16
Do, Anh Hong (Department: 2624)
Image analysis
Color image processing
Compression of color images
C382S162000, C382S232000
Reexamination Certificate
active
10386745
ABSTRACT:
A system for compressing an image. The system determines a set of commonly occurring color values in the image and associates a designator with each commonly occurring color value. For each pixel in the image, the system identifies a color value for the pixel. If the pixel has a commonly occurring color value, the system substitutes the associated designator for the commonly occurring color value. Otherwise, if the pixel does not have a commonly occurring color value, the system adds the color value to a rare color list, and substitutes a special designator for the color value to indicate that the color value for the pixel is contained in the rare color list.
REFERENCES:
patent: 4937739 (1990-06-01), Ernst et al.
patent: 5046025 (1991-09-01), Harper et al.
patent: 5122949 (1992-06-01), Harper et al.
Hebert Benjamin
O'Neill Thomas G.
Ono Tarik
Slott Jordan
Do Anh Hong
Grundler Edward J.
Park Vaughan & Fleming LLP
Sun Microsystems Inc.
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