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Title:
COLOR ADJUSTMENT DEVICE, IMAGE FORMING DEVICE, IMAGE FORMING SYSTEM AND COLOR ADJUSTMENT PROGRAM
Document Type and Number:
Japanese Patent JP2012104897
Kind Code:
A
Abstract:

To reproduce a color adjustment result which is similar to that of performing color adjustment in a device-independent color space without performing color adjustment in the device-independent color space.

A color adjustment device comprises: a conversion part 214 which converts color values of CMYK color spaces in a color conversion table defining a correspondence relation between color values of RGB color spaces and the color values of the CMYK color spaces into color values of L*a*b* color spaces independent from an output device; a map storage part 216 which stores multiple LUTs defining different input/output characteristics according to the color values of the L*a*b* color spaces; and a change part 222 which selects at least one LUT from among the multiple LUTs according to an instructed adjustment method, and performs change processing to change the color values of the CMYK color spaces in the color conversion table using the at least one LUT.


Inventors:
HAMA DAIGO
SAKAI NORIKO
SAKAMOTO MASAOMI
Application Number:
JP2010249224A
Publication Date:
May 31, 2012
Filing Date:
November 05, 2010
Export Citation:
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Assignee:
FUJI XEROX CO LTD
International Classes:
G06T1/00; H04N1/46; H04N1/60
Domestic Patent References:
JP2003087591A2003-03-20
JP2009527960A2009-07-30
JP2007068145A2007-03-15
JP2008005469A2008-01-10
JP2003087591A2003-03-20
JP2009527960A2009-07-30
JP2007068145A2007-03-15
JP2008005469A2008-01-10
Foreign References:
US20090021808A12009-01-22
EP1638311A22006-03-22
US20090021808A12009-01-22
EP1638311A22006-03-22
Attorney, Agent or Firm:
Shuhei Katayama