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Methods for performing biometric recognition of a human eye and corroboration of same

  • US 9,792,499 B2
  • Filed: 04/03/2017
  • Issued: 10/17/2017
  • Est. Priority Date: 11/11/2005
  • Status: Active Grant
First Claim
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1. A method of biometric acquisition, comprising:

  • acquiring, by at least one sensor, a plurality of images including an image of a face, and an image of a corresponding iris suitable for iris biometric identification and having a resolution of at least 100 to 200 pixels across the corresponding iris, the image of the face and the image of the corresponding iris acquired at the same time or within a specified period of time to ensure that the image of the face and the image of the corresponding iris are from a same live person, wherein acquiring the plurality of images includes using different settings of sensor gain, sensitivity, and illumination;

    associating the image of the face with the image of the corresponding iris for biometric identification of the same live person; and

    determining if motion vectors from comparing at least the image of the corresponding iris and the image of the face are consistent with that of an expected sequence of images acquired from the same live person.

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