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.
Patent No.:
Date of Patent:
Sep. 02, 2014
Filed:
Jun. 03, 2011
Daniel Pettigrew, Pacific Palisades, CA (US);
Andrew Bryant, Los Gatos, CA (US);
James C. Arndt, Livermore, CA (US);
Olivier Fedkiw, San Francisco, CA (US);
Ryan A. Gallagher, San Jose, CA (US);
Daniel Pettigrew, Pacific Palisades, CA (US);
Andrew Bryant, Los Gatos, CA (US);
James C. Arndt, Livermore, CA (US);
Olivier Fedkiw, San Francisco, CA (US);
Ryan A. Gallagher, San Jose, CA (US);
Apple Inc., Cupertino, CA (US);
Abstract
Some embodiments provide a program that performs a color balance operation. The program identifies an image that includes several pixels. Each pixel includes a luma component value and chroma component values. The program analyzes the luma component values of the pixels in the image to identify several luma ranges. The program determines, for each luma range in the several luma ranges, a set of transforms for modifying chroma component values of pixels in the image in order to remove a color cast from the image. The program applies the sets of transforms to the image to remove the color casts from the image.