Color image processing system and method thereof

Details Color image processing system and method thereof Color image processing system and method thereof

2008-04-02

2010-12-28

Haskins, Twyler L (Department: 2625)

Facsimile and static presentation processing

Natural color facsimile

Color correction

C358S521000, C358S523000, C358S529000, C358S516000, C358S001900

Reexamination Certificate

active

07859729

ABSTRACT:
The present invention is to provide an image processing system and the method thereof capable of maintaining gradient characteristics near a black point of an output image, when performing color matching in a color printer, even if a source profile has a lower minimum lightness value of output color gamut. In the present invention, when a condition is matched by comparing the minimum lightness points of the source profile and output color gamut, a correction color conversion table is generated by correcting the minimum lightness point of the output color gamut to a correction target value set in advance. Color conversion is performed for an input image using the correction color conversion table.

REFERENCES:
patent: 2001/0009464 (2001-07-01), Kuno et al.
patent: 2005/0036157 (2005-02-01), Takabayashi et al.
patent: 2006/0238615 (2006-10-01), Shigeta
patent: 10-200773 (1998-07-01), None
patent: 2006-81080 (2006-03-01), None
Visual C++ .Net Controls: The Combo Box FunctionX, Inc., (c) 2003.

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