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Multi-sensor precipitation-classification apparatus and method

  • US 10,427,645 B2
  • Filed: 10/06/2016
  • Issued: 10/01/2019
  • Est. Priority Date: 10/06/2016
  • Status: Active Grant
First Claim
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1. A vehicle comprising:

  • a camera outputting image data;

    a windshield;

    an accelerometer outputting accelerometer data characterizing vibration of the windshield;

    an artificial neural network trained to classify meteorological precipitation in an environment of the vehicle using the image data and the accelerometer data as inputs; and

    at least one actuator controlling at least one function of the vehicle based on classifications made by the artificial neural network;

    wherein the artificial neural network includes a plurality of classifiers, each classifier of the plurality of classifiers being trained to detect a type of precipitation corresponding to the each classifier, each classifier being configured to take as inputs the accelerometer data and the image data and configured to output a decision indicating whether the type of precipitation corresponding to the each classifier is present; and

    wherein each classifier is further configured to apply weights of the each classifier to the accelerometer data and the image data such that the weights of one classifier of the plurality of classifier are different from the weights of another classifier of the plurality of classifiers.

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