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:
Aug. 01, 2017
Filed:
May. 05, 2015
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Yoshiyuki Nagashima, Kawasaki, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); G09G 3/36 (2006.01); G09G 3/20 (2006.01); H04N 5/14 (2006.01); H04N 21/431 (2011.01); H04N 5/57 (2006.01);
U.S. Cl.
CPC ...
G09G 3/20 (2013.01); G09G 3/34 (2013.01); G09G 3/3413 (2013.01); G09G 3/36 (2013.01); G09G 3/3607 (2013.01); H04N 5/14 (2013.01); H04N 21/4318 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0242 (2013.01); G09G 2320/0646 (2013.01); G09G 2320/0673 (2013.01); H04N 5/57 (2013.01);
Abstract
An image display apparatus according to the present invention includes: an acquisition unit configured to acquire a size of a flat region on the basis of an input image, this flat region, from among regions of the input image, being a region in which a change in gradation value in a spatial direction of the image is small; and an image processing unit configured to perform unevenness reduction processing on the input image, this unevenness reduction processing reducing at least one of brightness unevenness and color unevenness of a screen at a higher reduction degree as the flat region is larger in size.