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. 04, 2018

Filed:

Mar. 16, 2017
Applicant:

Thomson Licensing, Issy les Moulineaux, FR;

Inventors:

Mozhdeh Seifi, Thorigne-Fouillard, FR;

Erik Reinhard, Hédé-Bazouges, FR;

Guillaume Poirier, Rennes, FR;

Assignee:

INTERDIGITAL VC HOLDINGS, INC., Wilmington, DE (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 7/01 (2006.01); H04N 5/355 (2011.01); G06T 5/00 (2006.01);
U.S. Cl.
CPC ...
H04N 7/01 (2013.01); G06T 5/009 (2013.01); H04N 5/355 (2013.01); G06T 2207/20208 (2013.01);
Abstract

Aspects of present principles are directed to methods and apparatus for tone mapping a high dynamic range image. The apparatus includes a processor for performing the following and the method includes the following: obtaining a luminance component of the high dynamic range image; determining an HDR to HDR tone mapper curve; determining a tone compressed image by applying the HDR to HDR tone mapper curve to the luminance component of the high dynamic range image; wherein the HDR to HDR tone mapper curve comprises a first part for dark and mid-tone levels, and a second part for highlights.


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