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. 31, 2022
Filed:
Oct. 15, 2019
Assa Abloy Ab, Stockholm, SE;
Robert Kjell Rowe, Corrales, NM (US);
ASSA ABLOY AB, Stockholm, SE;
Abstract
Disclosed herein are systems and methods for using focal stacks for image-based spoof detection. One embodiment takes the form of a method that includes obtaining a plurality of images of a biometric-authentication subject, the plurality of images captured by a camera system using a plurality of different focal distances; inputting, into an input-data-analysis module, a set of input data that includes the plurality of images; processing the set of input data using the input-data-analysis module to obtain, from the input-data-analysis module, a spoof-detection result for the biometric-authentication subject; and outputting the spoof-detection result for the biometric-authentication subject.