Color processing apparatus and method for performing gamut...

Details Color processing apparatus and method for performing gamut... Color processing apparatus and method for performing gamut...

2011-08-02

2011-08-02

Haskins, Twyler L (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S518000, C358S003010, C358S525000, C382S162000

Reexamination Certificate

active

07990575

ABSTRACT:
A correction region of an input gamut is set in accordance with the chroma of a specific color point of the input gamut, and a correction region of an output gamut is set in accordance with the chroma of a specific color point of the output gamut. The output gamut is corrected based on the correction region of the output gamut so that the specific color point of the output gamut is mapped on a point on the lightness axis of a color space, and input color data is corrected so that the specific color point of the input gamut is mapped on a point on the lightness axis of the color space. The corrected color data is mapped into the corrected output gamut, and inverse correction of correction of the output gamut is performed to the mapped color data based on the correction region of the output gamut.

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