Photo dazzle color temperature correction

Details Photo dazzle color temperature correction Photo dazzle color temperature correction

2007-12-04

2007-12-04

Bella, Matthew C. (Department: 2624)

Image analysis

Color image processing

Color correction

C382S162000, C345S604000, C358S518000, C358S520000

Reexamination Certificate

active

10905695

ABSTRACT:
A method for calculating and adjusting the color temperature of an image includes calculating an average color temperature and adjusting the chromaticity of each pixel of the image according to the average color temperature. The adjustment may be linear across all pixels or scaled according to the chromaticity of each pixel. The adjustment will not cause pixels to cross chromaticity axis boundaries, thus preserving original colors.

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patent: 5764308 (1998-06-01), Lee
patent: 2004/0212815 (2004-10-01), Heeman et al.
patent: 2004/0227964 (2004-11-01), Fujino
patent: 2006/0120598 (2006-06-01), Takahashi et al.
patent: 09130815 (1997-05-01), None

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