System and method for sculpted gamut color conversion

Details System and method for sculpted gamut color conversion System and method for sculpted gamut color conversion

2011-08-09

2011-08-09

Williams, Kimberly A (Department: 2625)

Facsimile and static presentation processing

Natural color facsimile

Color correction

C358S001900, C358S520000, C358S529000

Reexamination Certificate

active

07995255

ABSTRACT:
The subject application is directed to a system and method for sculpted gamut color conversion. First gamut data is received related to a first color gamut defined by a primary color space having no black component. Second gamut data is then received related to a second color gamut defined by a primary color space inclusive of a black component. At least one first color value of the first color gamut is then mapped to a second color value of a portion of the second color gamut disposed outside of the first gamut. At least one fractional black component value is then selected for each mapped color value. Non-black color data associated with each selected fractional black component is then identified. A sculpted gamut is then generated in accordance with each selected fractional black component and associated non-black color data. A color image is thereafter generated corresponding to received image data in accordance with the generated sculpted gamut.

REFERENCES:
patent: 5553199 (1996-09-01), Spaulding et al.
patent: 6778300 (2004-08-01), Kohler
patent: 7206100 (2007-04-01), Namikata
patent: 7304767 (2007-12-01), Sasaki et al.
patent: 7483174 (2009-01-01), Tadas
patent: 2003/0072018 (2003-04-01), Sasaki et al.
patent: 2004/0096104 (2004-05-01), Terekhov

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