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MULTIPLEXED BIOMETRIC IMAGING

  • US 20110085708A1
  • Filed: 08/26/2010
  • Published: 04/14/2011
  • Est. Priority Date: 08/26/2009
  • Status: Active Grant
First Claim
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1. A biometric method comprising:

  • illuminating a purported skin site under two unique illumination conditions during the same illumination session, the first illumination condition comprising light with a first wavelength illuminating the purported skin site at a first angle, and the second illumination condition comprising light with a second wavelength illuminating the purported skin site at a second angle, wherein the first wavelength and the second wavelength are distinct and the first angle and second angle are distinct;

    filtering light from the purported skin site using a color filter array that distinguishes between light of the first wavelength and light of the second wavelength; and

    imaging the filtered light with a single imager.

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