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Multispectral imaging biometrics

  • US 7,835,554 B2
  • Filed: 10/29/2008
  • Issued: 11/16/2010
  • Est. Priority Date: 06/01/2004
  • Status: Expired due to Fees
First Claim
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1. A portable electronic device comprising:

  • an illumination source configured to illuminate a target area with a plurality of distinct optical conditions during a single illumination session;

    an imager configured to receive light scattered from the target area; and

    a controller coupled with the illumination source and the imager, the controller configured to operate the illumination source and the imager in at least a first state and a second state, the first state comprising;

    instructions to illuminate a purported skin site of an individual with the illumination source when placed within the target area;

    instructions to receive light scattered from the purported skin site of the individual;

    instructions to produce a multispectral image of the purported skin site; and

    instructions to make a biometric measurement of the purported skin site from the multispectral image;

    the second state comprising;

    instructions to illuminate an object placed within the target area using the illumination source;

    instructions to receive light scattered from the object; and

    instructions to produce an image of the object.

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