Method of host-directed illumination and system for conducting host-directed illumination
First Claim
1. A computer-implemented method for detecting user liveness comprising:
- illuminating, by an illumination device included in a computing device, the face of a user, the illumination being randomly varied over time in accordance with instructions randomly selected from an instruction listing, the instructions for each user liveness detection being different;
capturing, by the computing device, face biometric data of the user as a sequence of images;
transmitting, by the computing device, the sequence of images to an authentication computer system over a network;
recognizing, by the authentication computer system, illumination characteristics in at least one of the images caused by the illumination; and
determining, by the authentication computer system, the user is live when the illumination characteristics recognized in each image included in the at least one image match the illumination applied respectively to each image included in the at least one image.
2 Assignments
0 Petitions
Accused Products
Abstract
A method of host-directed illumination for verifying the validity of biometric data of a user is provided that includes capturing biometric data from a user with an authentication device during authentication and directing illumination of the biometric data from a host authentication system during the capturing operation. Moreover, the method includes comparing illumination characteristics of the captured biometric data against illumination characteristics expected to result from the directing operation, and determining that the user is a live user when the illumination characteristics of the captured biometric data match the illumination characteristics expected to result from the directing operation.
164 Citations
13 Claims
-
1. A computer-implemented method for detecting user liveness comprising:
-
illuminating, by an illumination device included in a computing device, the face of a user, the illumination being randomly varied over time in accordance with instructions randomly selected from an instruction listing, the instructions for each user liveness detection being different; capturing, by the computing device, face biometric data of the user as a sequence of images; transmitting, by the computing device, the sequence of images to an authentication computer system over a network; recognizing, by the authentication computer system, illumination characteristics in at least one of the images caused by the illumination; and determining, by the authentication computer system, the user is live when the illumination characteristics recognized in each image included in the at least one image match the illumination applied respectively to each image included in the at least one image. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A computing system for detecting user liveness comprising:
-
a processor; and a memory configured to store data, said computing system being associated with a network and said memory being in communication with said processor and having instructions stored thereon which, when executed by said processor cause said computing system to; recognize illumination characteristics in at least one image included in a sequence of images, the illumination characteristics caused by randomly varying illumination of the face of a user in accordance with instructions randomly selected from an instruction listing while capturing face biometric data of the user as the sequence of images, the instructions for each user liveness detection being different; and determine the user is live when the illumination characteristics recognized in each image included in the at least one image match the illumination applied respectively to each image included in the at least one image. - View Dependent Claims (7, 8, 9)
-
-
10. A computer-implemented method for detecting user liveness comprising:
-
illuminating, by an illumination device included in a computing device, a biometric modality of a user, while capturing, by the computing device, biometric data of the modality of the user as a sequence of images, the illumination being randomly varied over time in accordance with instructions randomly selected from an instruction listing, the instructions for each user liveness detection being different; recognizing, by the computing device, illumination characteristics in at least one of the images caused by the illumination; and determining, by the computing device, the user is live when the illumination characteristics recognized in each image included in the at least one image match the illumination applied respectively to each image included in the at least one image. - View Dependent Claims (11, 12, 13)
-
Specification