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:
Oct. 28, 2025

Filed:

Sep. 14, 2023
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Aihiko Numata, Tokyo, JP;

Kan Takaiwa, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 25/773 (2023.01); H04N 25/51 (2023.01);
U.S. Cl.
CPC ...
H04N 25/773 (2023.01); H04N 25/51 (2023.01);
Abstract

To provide a photoelectric conversion device that has an avalanche photodiode and can suppress image quality deterioration, in a photoelectric conversion device, a photoelectric conversion element including an avalanche photodiode for photoelectrically converting an optical image, an image generation unit configured to generate a first image based on a signal acquired by the photoelectric conversion element, an acquisition unit configured to acquire first characteristic information of the photoelectric conversion element, and a correction processing unit configured to perform first correction processing on the first image by using the first characteristic information are provided, and in the correction processing unit, weighting of the first correction processing is made different according to a magnitude of a pixel signal in the first image.


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