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:
Jun. 14, 2016

Filed:

Jan. 23, 2013
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Hiroyuki Omi, Kamakura, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/40 (2006.01); G06T 5/00 (2006.01); G06T 5/10 (2006.01);
U.S. Cl.
CPC ...
G06T 5/002 (2013.01); G06T 5/003 (2013.01); G06T 5/10 (2013.01); G06T 2207/10116 (2013.01); G06T 2207/20016 (2013.01); G06T 2207/20182 (2013.01); G06T 2207/20192 (2013.01);
Abstract

An image processing apparatus includes a frequency component generation unit, a coefficient acquisition unit, a detection unit, a gain adjustment unit, and a processed image generation unit. The frequency component generation unit is configured to generate a plurality of frequency component images based on an original image. The coefficient acquisition unit is configured to acquire a gain coefficient for gain correction. The detection unit is configured to detect edge information based on the gain coefficient. The gain adjustment unit is configured to adjust a gain of at least one of the plurality of frequency component images based on the gain coefficient and the edge information. The processed image generation unit is configured to generate a processed image based on at least one of the plurality of frequency component images with the gain adjusted by the gain adjustment unit.


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