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:
Apr. 11, 2023
Filed:
Oct. 19, 2020
Beijing Dajia Internet Information Technology Co., Ltd., Beijing, CN;
Yong Yuan, Beijing, CN;
Yan Li, Beijing, CN;
An Liu, Beijing, CN;
Jie Yang, Beijing, CN;
Bingqing Ke, Beijing, CN;
Yanjun Ma, Beijing, CN;
Cunyi Zhang, Beijing, CN;
Dong Ding, Beijing, CN;
BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD., Beijing, CN;
Abstract
A method for verifying an image can include: acquiring a first feature point set of a source image and a second feature point set of a target image; determining a target local feature point pair based on the first feature point set and the second feature point set; determining a mapped point of the first feature point on the target image; determining a distance between a second feature point and the mapped point; acquiring a quantity of reference local feature point pairs; and determining that the target image is an image acquired by copying the source image based on the quantity being greater than a target quantity.