Image processing apparatus and method

Details Image processing apparatus and method Image processing apparatus and method

2004-12-08

2008-12-16

Coles, Edward L (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S504000, C358S515000, C358S518000, C358S520000, C382S162000, C382S167000

Reexamination Certificate

active

07466450

ABSTRACT:
An image processing system and method include allowing an output device to output patch-data items of plural multi-order colors represented by a first color space, measuring the color values, in an absolute color space, of the output patch-data items, calculating reference values by converting the plural multi-order colors represented by the first color space based on a first color conversion table containing correspondence between the first color space and the absolute color space, calculating distances between the color values measured by the color measuring means and the reference values, which correspond thereto, and correcting, based on the calculated distances, a second color conversion table containing correspondence between the absolute color space and an output color space.

REFERENCES:
patent: 5731989 (1998-03-01), Tenny et al.
patent: 6027201 (2000-02-01), Edge
patent: 6791716 (2004-09-01), Buhr et al.
patent: 6891649 (2005-05-01), Kondo

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