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:
Jul. 15, 2025
Filed:
May. 01, 2022
Wicket, Llc, Las Vegas, NV (US);
Yann Henon, Somerville, MA (US);
Gennady Livitz, Belmont, MA (US);
Samson Timoner, Cambridge, MA (US);
Wicket, LLC, Las Vegas, NV (US);
Abstract
The invention provides, in some aspects, a method of access control that includes receiving one or more frames ('depth frames') of a depth image stream acquired by a depth camera and, for each of those depth frames, generating one or more scores of the liveness of the image and/or of a candidate individual therein. The method includes creating a point cloud from a respective depth frame and generating the liveness score from a vector based on geometric characteristics of eigenvalues of point-wise neighborhoods within that point cloud. That vector, which characterizes the respective depth frame and surface contours of a face of the candidate individual represented therein, can serve as a measure of how that surface varies and, thereby, permits it to be distinguished from a spoof, e.g., a depth image of faces printed on paper or shown a digital display.