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Inter-vehicle authentication using visual contextual information

  • US 9,842,263 B2
  • Filed: 11/10/2015
  • Issued: 12/12/2017
  • Est. Priority Date: 11/10/2015
  • Status: Active Grant
First Claim
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1. A method comprising performing, by a controller of a vehicle A:

  • receiving a first image from a camera of the vehicle A;

    receiving a second image from a vehicle B;

    performing at least one of (a) and (b),wherein (a) comprises—

    (i) determining a first estimated distance between vehicle A and vehicle B according to analysis of the first image;

    (ii) determining a second estimated distance between vehicle A and vehicle B according to analysis of the second image; and

    (iii) determining that a difference between the first estimated distance and the second estimated distance meets a threshold distance condition; and

    wherein (b) comprises—

    (iv) determining a first estimated angle between vehicle A and vehicle B according to analysis of the first image;

    (v) determining a second estimated angle between vehicle A and vehicle B according to analysis of the second image; and

    (vi) determining that a difference between the first estimated angle and the second estimated angle meets a threshold angle condition; and

    in response to at least one of (iii) and (vi), authenticating vehicle B.

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