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

  • US 10,102,427 B2
  • Filed: 10/16/2017
  • Issued: 10/16/2018
  • Est. Priority Date: 11/11/2005
  • Status: Active Grant
First Claim
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1. A method for biometric acquisition, comprising:

  • acquiring, by a sensor, an image of the iris comprising a reflection of a predefined geometrical shape;

    determining a value of deformation or magnification of the geometrical shape in the reflection;

    comparing the determined value to a value of deformation or magnification expected for a reflection occurring off a live eye; and

    determining that the image of the iris is acquired from a live eye if the determined value is consistent with the expected value.

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