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:
Jul. 22, 2025
Filed:
Feb. 23, 2022
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Yosuke Mine, Tokyo, JP;
Takashi Ichimiya, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 7/11 (2017.01); G06T 7/64 (2017.01); G06T 7/70 (2017.01); G06V 40/18 (2022.01); G06V 40/19 (2022.01); H04N 23/611 (2023.01); H04N 23/63 (2023.01);
U.S. Cl.
CPC ...
G06V 40/193 (2022.01); G06T 7/11 (2017.01); G06T 7/64 (2017.01); G06T 7/70 (2017.01); G06V 40/19 (2022.01); H04N 23/611 (2023.01); H04N 23/63 (2023.01); G06T 2207/20021 (2013.01);
Abstract
Line-of-sight detection taking into account the shape of the pupil is performed. A central processing unit (CPU) detects a group of contour coordinates of the pupil from an eyeball image obtained as a result of capturing an image of the eyeball of an observer and performs control to perform line-of-sight detection taking into account the shape of the pupil.