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:
Sep. 11, 2012

Filed:

Jul. 02, 2008
Applicants:

Szepo Robert Hung, Carlsbad, CA (US);

Xiaoyun Jiang, San Diego, CA (US);

Hsiang-tsun LI, San Diego, CA (US);

Inventors:

Szepo Robert Hung, Carlsbad, CA (US);

Xiaoyun Jiang, San Diego, CA (US);

Hsiang-Tsun Li, San Diego, CA (US);

Assignee:

QUALCOMM Icorporated, San Diego, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/228 (2006.01); G06K 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Techniques for identifying and enhancing colors in a digital image associated with one or more target color shades. In an embodiment, the target color shades may include a shade of blue associated with the sky, a shade of green associated with outdoor foliage, or the color red. In an embodiment, the blue chroma (Cb) and red chroma (Cr) coordinates of a pixel are evaluated to determine whether to apply an enhancement factor. The enhancement factor may incorporate an exposure index (EI) auxiliary enhancement factor, a color temperature (D) auxiliary enhancement factor, and a luminance (Y) of each pixel. Further aspects for implementing the techniques in software and hardware are disclosed.


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