Method of host-directed illumination and system for conducting host-directed illumination

• US 10,169,672 B2
• Filed: 05/24/2018
• Issued: 01/01/2019
• Est. Priority Date: 08/15/2011
• Status: Active Grant

• Current Assignee: Corporation DAON Technology
• Original Assignee: Daon Holdings Limited
• Inventors: Langley, Richard Jay, Peirce, Michael, Sezille, Nicolas Jacques Jean
• Primary Examiner(s): Werner, Brian
• Application Number:
  US15/987,983
• Publication Number:
  US 20180268233A1
• Time in Patent Office: 222 Days
• CPC Class Codes: G06F 21/32 using biometric data, e.g. fingerprints, iris scans or voiceprints
• CPC Class Codes: G06V 10/141 Control of illumination
• CPC Class Codes: G06V 40/168 Feature extraction; Face representation
• CPC Class Codes: G06V 40/172 Classification, e.g. identification
• CPC Class Codes: G06V 40/45 Detection of the body part being alive
• CPC Class Codes: H04L 63/0853 using an additional device, e.g. smartcard, SIM or a different communication terminal cryptographic mechanisms or cryptographic arrangements for entity authentication involving additional secure or trusted devices H04L9/3234
• CPC Class Codes: H04L 63/0861 using biometrical features, e.g. fingerprint, retina-scan cryptographic mechanisms or cryptographic arrangements for entity authentication using biological data H04L9/3231
• CPC Class Codes: H04W 12/065 Continuous authentication
• CPC Class Codes: H04W 12/12 Detection or prevention of fraud
• CPC Class Codes: H04W 12/65 Environment-dependent, e.g. using captured environmental data

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.

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 while capturing, by the computing device, face biometric data of the user as a sequence of discrete images, the illumination being randomly varied in color over time;

transmitting over a network, by the computing device, the sequence of discrete images to an authentication computer system;

recognizing, by the authentication computer system, reflections in a plurality of the images, the reflections resulting from said illuminating step; and

determining, by the authentication computer system, the user is live when the reflections recognized in each image included in the plurality of images correspond to the illumination applied during said capturing step.

2. A computer-implemented method for detecting user liveness in accordance with claim 1 further comprising authenticating, by the authentication computer system, the user based on the captured biometric data and record user biometric data.

3. A computer-implemented method for detecting user liveness in accordance with claim 1, said illuminating step further comprising illuminating the face of the user with light outside the visible spectrum.

4. A computer-implemented method for detecting user liveness in accordance with claim 1 further comprising transmitting over the network, by the authentication computer system, an illumination instruction to the computing device.

5. A computer-implemented method for detecting user liveness in accordance with claim 1 further comprising tracking movement of an illuminated region on the face of the user, the illuminated region being illuminated with light outside the visible spectrum.

6. An authentication computer system for detecting user liveness comprising:

a processor; and

a memory for storing data, said authentication computer system being associated with a network and said memory being in communication with said processor and having instructions stored thereon which, when read and executed by said processor cause said authentication computer system to;

recognize reflections in a plurality of images included in a sequence of discrete images captured and transmitted by a computing device to said authentication computer system over the network, the reflections resulting from randomly varying over time, by the computing device, illumination colors applied to the face of a user while capturing face biometric data of the user as the sequence of discrete images; and

determine the user is live when the reflections recognized in each image included in the plurality of images correspond to the illumination applied while capturing the respective image.

7. An authentication computer system for detecting user liveness in accordance with claim 6, wherein the instructions when read and executed by said processor further cause said authentication computer system to authenticate the user based on the captured biometric data and record user biometric data.

8. A computer-implemented method for detecting user liveness comprising:

illuminating, by an illumination device included in a computing device, the face of a user while capturing, by the computing device, face biometric data of the user as a sequence of discrete images, the illumination being randomly varied in color over time;

recognizing, by the computing device, reflections in a plurality of the images, the reflections resulting from said illuminating step; and

determining, by the computing device, the user is live when the reflections recognized in each image included in the plurality of images correspond to the illumination applied during said capturing step.

9. A computer-implemented method for detecting user liveness in accordance with claim 8 further comprising authenticating the user based on the captured biometric data and record user biometric data.

10. A computer-implemented method for detecting user liveness in accordance with claim 8, said illuminating step further comprising illuminating the face of the user with light outside the visible spectrum.

11. A computer-implemented method for detecting user liveness in accordance with claim 8 further comprising tracking movement of an illuminated region on the face of the user, the illuminated region being illuminated with light outside the visible spectrum.

12. A computing device for detecting user liveness comprising:

a processor; and

a memory configured to store data, said computing device being associated with a network and said memory being in communication with said processor and having instructions stored thereon which, when read and executed by said processor cause said computing device to;

illuminate the face of a user while capturing face biometric data of the user as a sequence of discrete images, the illumination being randomly varied in color over time;

recognize reflections in a plurality of the images, the reflections resulting from illuminating the face of the user; and

determine the user is live when the reflections recognized in each image included in the plurality of images correspond to the illumination applied while capturing the respective image.

13. A computing device for detecting user liveness in accordance with claim 12, wherein the instructions when read and executed by said processor further cause said computing device to authenticate the user based on the captured face biometric data and record user face biometric data.

14. A computing device for detecting user liveness in accordance with claim 12, wherein the instructions when read and executed by said processor further cause said computing device to illuminate the face of the user with light outside the visible spectrum.

15. A computing device for detecting user liveness in accordance with claim 12, wherein the instructions when read and executed by said processor further cause said computing device to track movement of an illuminated region on the face of the user, the illuminated region being illuminated with light outside the visible spectrum.