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:
May. 12, 2020
Filed:
Jun. 23, 2017
Institute of Automation, Chinese Academy of Sciences, Beijing, CN;
INSTITUTE OF AUTOMATION, CHINESE ACADEMY OF SCIENCES, Beijing, CN;
Abstract
A perspective distortion characteristic based facial image authentication method and storage and processing device thereof are proposed. The method includes: S: recognizing key points and a contour in a 2D facial image; S: acquiring key points in a corresponding 3D model; S: calculating camera parameters based on a correspondence between the key points in the 2D image and the key points in the 3D model; S: optimizing the camera parameters based on the contour in the 2D image; S: sampling the key points in the two-dimensional facial image by multiple times to obtain a camera intrinsic parameter estimation point cloud; and S: calculating the inconsistency between the camera intrinsic parameter estimation point cloud and the camera nominal intrinsic parameters, and determining the authenticity of the facial image. The present disclosure can effectively authenticate the 2D image and has a relatively higher accuracy.