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Collision avoidance using auditory data

  • US 9,873,428 B2
  • Filed: 10/27/2015
  • Issued: 01/23/2018
  • Est. Priority Date: 10/27/2015
  • Status: Active Grant
First Claim
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1. A system for an autonomous vehicle comprising:

  • two or more microphones mounted to the autonomous vehicle;

    a controller executinga pre-processor programmed to detect audio features in two or more audio streams from the two or more microphones;

    a collision avoidance module programmed to classify the audio features and a direction to a source thereof, and, if the class for the sound source is a vehicle, invoke obstacle avoidance with respect to the direction;

    wherein the collision avoidance module is further programmed to;

    classify the audio features by inputting the audio features into a machine learning model; and

    wherein the machine-learning model outputs a confidence value indicating a probability that the audio features correspond to a vehicle.

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