The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 26, 2011

Filed:

Aug. 28, 2007
Applicants:

Shereef Shehata, Allen, TX (US);

Weider Peter Chang, Hurst, TX (US);

Inventors:

Shereef Shehata, Allen, TX (US);

Weider Peter Chang, Hurst, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/40 (2006.01);
U.S. Cl.
CPC ...
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.


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