Color image processing method and a color image processor

Details Color image processing method and a color image processor Color image processing method and a color image processor

2006-01-10

2006-01-10

Williams, Kimberly (Department: 2626)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S518000, C358S003230, C382S162000, C345S589000

Reexamination Certificate

active

06985252

ABSTRACT:
The invention comprises a device-independent color space converter241that obtains device-dependent color signals on the on the color system color coordinates from first color signals, a gradation compensator242that determines a black color signal in the second color signals having the identical or virtually identical density as the black color signal in the first color signals, and a YMC decision section243that determines the remaining three variable color signals in the second color signals from the black color signal and the device-independent color signals in the second color signals so that calorimetric consistency of the three variable color signals may be obtained.

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