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:
Dec. 27, 2016

Filed:

Mar. 19, 2015
Applicant:

Dolby Laboratories Licensing Corporation, San Francisco, CA (US);

Inventors:

Peter W. Longhurst, Vancouver, CA;

Neil W. Messmer, Langley, CA;

Steve Margerm, New Westminster, CA;

Robin Atkins, San Francisco, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/02 (2006.01); G09G 5/06 (2006.01); H04N 1/60 (2006.01); H04N 9/64 (2006.01); H04N 9/73 (2006.01); H04N 9/68 (2006.01); G06T 3/40 (2006.01); G06T 5/40 (2006.01); G06T 5/00 (2006.01);
U.S. Cl.
CPC ...
H04N 9/73 (2013.01); H04N 9/64 (2013.01); H04N 9/68 (2013.01);
Abstract

A method for color grading input video data for display on a target display comprises obtaining target display metadata indicative of a capability of the target display, obtaining input video data metadata indicative of image characteristics of the input video data, automatically determining initial values for parameters of a parameterized sigmoidal transfer function, at least one of the initial values based at least in part on at least one of the target display metadata and the input video data metadata and mapping the input video data to color-graded video data according to the parameterized transfer function specified using the initial values.


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