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:
Nov. 21, 2023

Filed:

May. 31, 2022
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Yuya Fujiwara, Kanagawa, JP;

Seigo Kaneko, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 23/88 (2023.01); H04N 23/73 (2023.01); H04N 23/76 (2023.01);
U.S. Cl.
CPC ...
H04N 23/88 (2023.01); H04N 23/73 (2023.01); H04N 23/76 (2023.01);
Abstract

An apparatus includes a capturing unit configured to capture an image of an object, an exposure control unit configured to control an exposure condition including an exposure time or an analog gain for each of a plurality of pixels or pixel groups on a surface of the capturing unit, a determination unit configured to determine one or more evaluation areas including an achromatic color area from the captured image, a calculation unit configured to calculate a first evaluation value for each of the plurality of pixels or pixel groups in the evaluation area, and calculate a second evaluation value based on the first evaluation value weighted based on the exposure condition for each of the plurality of pixels or pixel groups, a correction unit configured to correct the image based on the second evaluation value.


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