Color conversion apparatus and method thereof

Details Color conversion apparatus and method thereof Color conversion apparatus and method thereof

2006-01-31

2006-01-31

Bella, Matthew C. (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S590000, C345S591000, C345S600000, C345S601000, C345S604000, C382S167000

Reexamination Certificate

active

06992683

ABSTRACT:
A color conversion apparatus and method. The color conversion apparatus converts an input color signal to match a color gamut of the input color signal with a color gamut of a target Multi Primary Display (MPD) using at least four or more primary colors, and comprises a WYV color signal conversion unit for converting the input color signal into a WYV color signal for an output; a color gamut matching gain calculation unit for calculating a matching gain which is a conversion constant for matching the color gamut of the input color signal with the color gamut of the target MPD; a color gamut matching unit for correcting the WYV color signal based on the matching gain; an XYZ color signal conversion unit for converting the corrected WYV color signal into an XYZ color signal for an output; and an MPD control vector calculation unit for calculating a control vector which is a driving signal of the target MPD corresponding to the XYZ color signal.

REFERENCES:
patent: 6400843 (2002-06-01), Shu et al.
patent: 2003/0011613 (2003-01-01), Booth, Jr.
patent: 2005/0031199 (2005-02-01), Ben-Chorin et al.

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