Vehicle vision system with image classification

  • US 9,619,716 B2
  • Filed: 08/11/2014
  • Issued: 04/11/2017
  • Est. Priority Date: 08/12/2013
  • Status: Active Grant
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First Claim
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1. A vision system of a vehicle, said vision system comprising:

  • a camera disposed at a vehicle and having a field of view exterior of the vehicle;

    wherein said camera comprises an imaging array having a plurality of photosensing elements arranged in a two dimensional array of rows and columns;

    wherein said imaging array comprises a plurality of sub-arrays comprising respective groupings of neighboring photosensing elements;

    an image processor operable to process image data captured by said camera;

    wherein said image processor is operable to perform a discrete cosine transformation of captured image data;

    wherein a result of the discrete cosine transformation is put into a K-Means classifier;

    wherein a Markov model compares at least one sub-array with a neighboring sub-array; and

    wherein said image processor is operable to adjust a classification of a sub-array responsive at least in part to the discrete cosine transformation and said Markov model.

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