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. 25, 2020
Filed:
Nov. 04, 2016
Applicant:
China Unionpay Co., Ltd., Shanghai, CN;
Inventors:
Assignee:
CHINA UNIONPAY CO., LTD., Shanghai, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 7/73 (2017.01); G06T 7/13 (2017.01); G06F 3/01 (2006.01); G06K 9/00 (2006.01); G06T 5/00 (2006.01); G06T 11/20 (2006.01);
U.S. Cl.
CPC ...
G06K 9/00234 (2013.01); G06F 3/013 (2013.01); G06T 5/002 (2013.01); G06T 7/13 (2017.01); G06T 7/73 (2017.01); G06T 11/206 (2013.01); G06K 9/0061 (2013.01);
Abstract
A method and device for identifying a pupil in an image is provided. The method comprises four steps including: A. image preprocessing, B. edge detecting, C. building connected graphs, and D. screening connected graph pairs.