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:
Sep. 01, 2020
Filed:
Jul. 19, 2018
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Naoto Kimura, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/243 (2006.01); H04N 1/407 (2006.01); H04N 1/393 (2006.01); G06T 5/00 (2006.01);
U.S. Cl.
CPC ...
H04N 1/4074 (2013.01); G06T 5/009 (2013.01); H04N 1/393 (2013.01); H04N 1/407 (2013.01);
Abstract
An apparatus includes an image generation unit configured to generate, from an input image, a hierarchical image including a plurality of images different in frequency band from one another, a first gain map generation unit configured to generate a first gain map with use of the hierarchical image and a first tone characteristic, a second gain map generation unit configured to generate a second gain map with use of the first gain map and a second tone characteristic, and a processing unit configured to apply the second gain map to the input image.