Patent ID: 11954940
Assignee: NEC CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 19:
20. A non-transitory computer readable media for performing liveness detection authentication of a facial image, the computer readable medium storing instructions for a processor to acquire a first image of the facial image illuminated with a first color;
acquire a second image of the facial image illuminated with a second color;
determine if the facial image is consistent with a three-dimensional (3D) structure in response to a combination of the first and second images
determine if the facial image matches a user to be authenticated by comparing a combination of the first and second images to an image of the user to be authenticated, the image of the user to be authenticated being stored in a memory; and
authenticate the facial image if the facial image is consistent with the 3D structure and the facial image matches a face of the user to be authenticated.