Image processing method, image processing apparatus, and...

Details Image processing method, image processing apparatus, and... Image processing method, image processing apparatus, and...

2001-07-12

2008-11-04

Coles, Edward L (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S518000, C382S167000

Reexamination Certificate

active

07446899

ABSTRACT:
Mapping conversion to absorb differences of shapes of color reproduction gamuts and also preserve gradation is provided. In this image processing method, a color signal located within a first color reproduction gamut represented by a first color system is subjected to mapping conversion into a color signal located within a second color reproduction gamut represented by the first color system, where a locus of a change of color in the first color reproduction gamut is represented by a curve, mapping is performed to the curve, and the mapping conversion is performed on the basis of relation of the curves before and after the mapping.

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“Principles of Color Technology”, by Roy S. Berns, third edition, pp. 20-23 and pp. 151-164, copyright 2000, John Wiley & Sons, Inc., A Wiley-Interscience Publication.

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