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On-screen optical fingerprint capture for user authentication

  • US 10,169,637 B2
  • Filed: 10/18/2016
  • Issued: 01/01/2019
  • Est. Priority Date: 10/19/2015
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving an image of a fingerprint captured by a camera, the image of the fingerprint being based on light reflected from a fingertip and propagated within a glass layer of a display assembly;

    determining feature information from the captured image of the fingerprint;

    reducing the amount of feature information through a quantization of the feature information;

    generating a histogram associated with the captured image based on the reduced amount of feature information; and

    authenticating a user based on the histogram.

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