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Method and system for detecting biometric liveness

  • US 20070092115A1
  • Filed: 10/26/2005
  • Published: 04/26/2007
  • Est. Priority Date: 10/26/2005
  • Status: Abandoned Application
First Claim
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1. A method of detecting whether a biometric is from a living source comprising:

  • capturing a sequence of images of a biometric wherein the images are represented by image data and the biometric images in the sequence include at least one common blood vessel;

    determining the widths of the common blood vessel in the captured images of the sequence from the biometric data associated with the respective images; and

    comparing the determined widths of the common blood vessel in the captured images of the sequence to determine whether the captured images are from a living source.

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