Apparatus and method for controlling colors of color image

Details Apparatus and method for controlling colors of color image Apparatus and method for controlling colors of color image

2004-11-22

2009-06-09

Coles, Edward L (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S518000, C358S520000, C358S527000, C382S162000, C382S167000, C382S264000

Reexamination Certificate

active

07545533

ABSTRACT:
A method of and apparatus for converting a color space. The method includes: separating a color signal of a given pixel into a brightness component and a saturation component; obtaining a boundary value of the saturation component of a color gamut, to which the color signal belongs, in a first color space using the separated brightness component and saturation components; and converting the first color space into a second color space in which saturation components and hue components are independently controlled using the obtained boundary value.

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