Method and apparatus for converting input color space into...

Details Method and apparatus for converting input color space into... Method and apparatus for converting input color space into...

2006-10-10

2010-06-08

Tran, Douglas Q (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S515000

Reexamination Certificate

active

07733526

ABSTRACT:
A method and apparatus for converting an input color space into a CMYK color space are provided. The method includes converting a color signal of a predetermined input color space into an sRGB color space, converting the color signal of the sRGB color space into an sRGB L*a*b* color space, and converting the color signal of the sRGB L*a*b* color space into a color signal of a printer-output CMYK color space (CMYKPrinter) using a lookup table.

REFERENCES:
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patent: 2005/0036161 (2005-02-01), Sasaki
patent: 06006620 (1994-01-01), None
patent: 2000-50092 (2000-02-01), None
patent: 2002-149149 (2002-05-01), None
patent: 2003338940 (2003-11-01), None
patent: 2005026945 (2005-01-01), None
patent: 20040030122 (2004-04-01), None

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