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:
Oct. 30, 2018
Filed:
May. 26, 2016
Applicant:
Boe Technology Group Co., Ltd., Beijing, CN;
Inventors:
Chenfei Qian, Bejing, CN;
Kening Zhao, Beijing, CN;
Assignee:
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); G06F 3/01 (2006.01); G06T 7/277 (2017.01); G06F 3/00 (2006.01);
U.S. Cl.
CPC ...
G06F 3/013 (2013.01); G06F 3/005 (2013.01); G06T 7/277 (2017.01); G06K 9/00597 (2013.01); G06T 2207/20084 (2013.01); G06T 2207/30201 (2013.01);
Abstract
Embodiments of the present disclosure relate to a sight tracking method and a device, the sight tracking method comprises: determining an observation region where an iris center of a to-be-tested iris image is located according to a target model; modifying a prediction region by using the observation region, to obtain a target region, the prediction region being a region where the iris center of the to-be-tested iris image is located determined by a kalman filtering method; and determining a position of fixation point of human eyes on a screen according to the target region.