Video processing

Image analysis – Image enhancement or restoration – Intensity – brightness – contrast – or shading correction

Reexamination Certificate

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Details

C382S260000, C382S275000, C382S278000

Reexamination Certificate

active

07933469

ABSTRACT:
Digital video contrast enhancement and skin tone correction by conversion to CIECAM02 color space with lightness transformation and a skin tone probability density function of hue and saturation.

REFERENCES:
patent: 6839092 (2005-01-01), Renner
patent: 7023918 (2006-04-01), Yu et al.
patent: 7075993 (2006-07-01), O'Brien, Jr.
patent: 7088777 (2006-08-01), Yu et al.
patent: 7263218 (2007-08-01), Altenhof-Long et al.
patent: 7366346 (2008-04-01), Newman et al.
patent: 7397588 (2008-07-01), Sloan et al.
patent: 7403205 (2008-07-01), Zeng
patent: 7414631 (2008-08-01), Tin
patent: 7425981 (2008-09-01), Kamariotis

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