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. 28, 2017
Filed:
Nov. 19, 2014
Applicant:
Dolby Laboratories Licensing Corporation, San Francisco, CA (US);
Inventors:
Ning Xu, Irvine, CA (US);
Tao Chen, Palo Alto, CA (US);
James E. Crenshaw, Burbank, CA (US);
Timo Kunkel, Kensington, CA (US);
Bongsun Lee, Cupertino, CA (US);
Assignee:
Dolby Laboratories Licensing Corporation, San Francisco, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 5/00 (2006.01); G06T 5/40 (2006.01); H04N 1/60 (2006.01); H04N 1/407 (2006.01); G06T 7/90 (2017.01);
U.S. Cl.
CPC ...
G06T 5/007 (2013.01); G06T 5/40 (2013.01); G06T 7/90 (2017.01); H04N 1/4072 (2013.01); H04N 1/6027 (2013.01); G06T 2207/20016 (2013.01); G06T 2207/20028 (2013.01); G06T 2207/20208 (2013.01);
Abstract
Novel methods and systems for inverse tone mapping are disclosed. A scene can be analyzed to obtain highlight detection from bright light sources and specular reflections. An inverse tone mapping curve can be calculated based on the lower dynamic range and higher dynamic range displays. Multi-scale filtering can be applied to reduce noise or artifacts.