US 12,293,606 B2
Spoofing detection device, spoofing detection method, and recording medium
Yusuke Morishita, Tokyo (JP)
Assigned to NEC CORPORATION, Tokyo (JP)
Filed by NEC Corporation, Tokyo (JP)
Filed on Jun. 21, 2023, as Appl. No. 18/212,513.
Application 18/212,513 is a continuation of application No. 17/529,516, filed on Nov. 18, 2021, granted, now 11,699,302.
Application 17/529,516 is a continuation of application No. 16/682,083, filed on Nov. 13, 2019, granted, now 11,210,500, issued on Dec. 28, 2021.
Application 16/682,083 is a continuation of application No. 15/514,573, granted, now 10,515,262, issued on Dec. 24, 2019, previously published as PCT/JP2015/005147, filed on Oct. 9, 2015.
Claims priority of application No. 2014-210529 (JP), filed on Oct. 15, 2014.
Prior Publication US 2023/0351805 A1, Nov. 2, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G06V 40/00 (2022.01); G06T 7/00 (2017.01); G06V 40/16 (2022.01); G06V 40/40 (2022.01); G06V 40/60 (2022.01)
CPC G06V 40/172 (2022.01) [G06T 7/00 (2013.01); G06V 40/161 (2022.01); G06V 40/40 (2022.01); G06V 40/67 (2022.01)] 13 Claims
OG exemplary drawing
 
1. A face detection device comprising:
at least one memory storing instructions; and
at least one processor configured to execute the instructions to perform:
acquiring a facial image indicating a face of a user;
detecting, from the facial image, a direction of line-of-sight of the user;
displaying a sentence on a display device, the sentence explaining a part of face authentication processing or instructing the user through the face authentication processing;
changing a position of the sentence on a screen of the display device, as the sentence changes; and
determining whether the face of the user indicated by the facial image is a living face, based on a relationship between a change in the direction of the line-of-sight of the user, the change in the direction of the line-of-sight is caused by changing the position of the sentence, and the content of the sentence.