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. 23, 2025
Filed:
Jul. 26, 2022
Canon Kabushiki Kaisha, Tokyo, JP;
Kazuhiro Namiki, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A personal authentication apparatus comprises a first image capture unit that captures an eyeball image, a first image processing unit that obtains brightness information of the captured eyeball image and generates divided eyeball images by dividing a region of the eyeball image based on the brightness information of the eyeball image, a first storage unit that stores brightness information of the divided eyeball images and position information of the divided eyeball images in relation to the eyeball image in association with each other, and a learning unit that executes different types of learning processing respectively for the divided eyeball images in accordance with the brightness information and the position information of the divided eyeball images.