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Behavior recognition apparatus, learning apparatus, and method

  • US 10,192,126 B2
  • Filed: 04/20/2017
  • Issued: 01/29/2019
  • Est. Priority Date: 06/01/2016
  • Status: Active Grant
First Claim
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1. A behavior recognition apparatus comprising:

  • a processor programmed to;

    detect, based on a vehicle interior image obtained by photographing a vehicle interior, positions of a plurality of body parts of a person inside a vehicle in the vehicle interior image;

    calculate distances between the detected positions of each of the plurality of body parts relative to each other, such that distances between all combinations of the plurality of body parts is calculated;

    calculate a rank-order feature that ranks magnitudes the calculated distances between each combination of the detected positions of the plurality of body parts; and

    discriminate a behavior of an occupant in the vehicle based on using the calculated rank order feature as an input to a discriminator learned in advance, which recognizes the behavior of the occupant inside the vehicle as an output of the discriminator.

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