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:
Feb. 16, 2016
Filed:
Jul. 16, 2014
Applicant:
Nokia Corporation, Espoo, FI;
Inventor:
Petri Nenonen, Tampere, FI;
Assignee:
Nokia Technologies Oy, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/73 (2006.01); H04N 5/235 (2006.01); H04N 1/60 (2006.01);
U.S. Cl.
CPC ...
H04N 9/735 (2013.01); H04N 1/6077 (2013.01); H04N 5/2354 (2013.01);
Abstract
The color distortion of an image caused by improper white balance when illuminated using a dual light source can be alleviated by masking a weighted central area of the image, and then determining an impact metric indicating the combined impact of the brightness and pixel color components for the masked weighted central area.