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:
Aug. 30, 2022
Filed:
Sep. 18, 2018
Applicant:
Honor Device Co., Ltd., Guangdong, CN;
Inventors:
Hongbao Li, Shenzhen, CN;
Chen Dong, Shenzhen, CN;
Yongtao Jiang, Shenzhen, CN;
Wenmei Gao, Beijing, CN;
Assignee:
HONOR DEVICE CO., LTD., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06V 40/18 (2022.01); G06K 9/62 (2022.01); G06V 10/44 (2022.01); G06V 10/72 (2022.01);
U.S. Cl.
CPC ...
G06V 40/197 (2022.01); G06K 9/6267 (2013.01); G06V 10/457 (2022.01); G06V 10/72 (2022.01); G06V 40/193 (2022.01);
Abstract
An eye open or closed state detection method, in addition to an eye opening feature, an iris shape feature and/or a vertical direction feature are added to identify the eye open or closed state, where the eye opening feature is used to represent an eye opening degree, the iris shape feature is used to represent a shape of an iris of an eye, and the vertical direction feature is used to represent a change degree of an eyelid curve.