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:
Mar. 12, 2019
Filed:
Nov. 30, 2016
Applicant:
Stmicroelectronics (Grenoble 2) Sas, Grenoble, FR;
Inventors:
Grégory Roffet, Coublevie, FR;
Mathieu Thivin, Voreppe, FR;
Assignee:
STMICROELECTRONICS (GRENOBLE 2) SAS, Grenoble, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 5/00 (2006.01); H04N 9/68 (2006.01); G06T 7/40 (2017.01); G06T 5/40 (2006.01); H04N 5/232 (2006.01); H04N 9/04 (2006.01);
U.S. Cl.
CPC ...
G06T 5/009 (2013.01); G06T 5/40 (2013.01); G06T 7/408 (2013.01); H04N 5/23229 (2013.01); H04N 9/045 (2013.01); H04N 9/68 (2013.01); G06T 2207/10024 (2013.01); G06T 2207/20072 (2013.01); G06T 2207/20208 (2013.01);
Abstract
Tone mapping is applied to pixels of a digital image. A luminance value of a pixel is determined based on whether one or more pixel intensity values of a pixel in a color space are within a pixel saturation range. A pixel gain is determined based on the determined luminance value of the pixel, and the determined pixel gain is applied to the pixel. The luminance value may also or instead be determined based on whether one or more of the pixel intensity values is within a pixel black-out range. A weight may be employed to determine the luminance value.