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Sensor-assisted user authentication

  • US 9,813,907 B2
  • Filed: 06/29/2016
  • Issued: 11/07/2017
  • Est. Priority Date: 05/14/2014
  • Status: Active Grant
First Claim
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1. A portable electronic device, comprising:

  • an imaging sensor;

    a motion sensor;

    a processor; and

    a memory storing instructions that, when executed by the processor, cause the portable electronic device to authenticate a user, the instructions comprising;

    instructions to acquire multiple images of a face of the user by using the imaging sensor,instructions to obtain motion information by using the motion sensor,instructions to determine a first motion vector based on the multiple images,instructions to determine a second motion vector based on the motion information, andinstructions to authenticate the user based on (1) determining a similarity measure between the first motion vector and the second motion vector, and (2) performing facial recognition on at least one of the multiple images.

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