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. 05, 2015
Filed:
Jan. 20, 2012
Applicants:
Chih-chao MA, Taichung, TW;
Yi-hsin Liu, Taipei, TW;
Inventors:
Chih-Chao Ma, Taichung, TW;
Yi-Hsin Liu, Taipei, TW;
Assignee:
Cyberlink Corp., Shindian, Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01);
U.S. Cl.
CPC ...
G06K 9/00261 (2013.01); G06K 9/00221 (2013.01); G06K 9/00906 (2013.01);
Abstract
A liveness detection method comprising: receiving plural pictures of a video stream comprising a face and an adjacent background; determining motion of the face and the background, the motion determined over the plural pictures; comparing the motion between the face and the background; and determining whether the face corresponds to an actual, live user or an image of the user based on the comparison, the determinations performed by a processor.