Vehicle detection through image processing for traffic surveillance and control

  • US 4,847,772 A
  • Filed: 02/17/1987
  • Issued: 07/11/1989
  • Est. Priority Date: 02/17/1987
  • Status: Expired due to Term
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First Claim
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1. A vehicle detection system including:

  • sensor means for sensing traffic in a field of view and for providing successive arrays of pixels characteristic of the field of view;

    a formatter coupled to the sensor means and including an input terminal for receiving subarray selection information representative of changeable selected portions of the field of view and means for selecting subarrays of pixels characteristic of the selected portions of the field of view from the arrays provided by the sensor means;

    as a function of the subarray selection information andprocessor means for processing the selected subarrays of pixels and for providing data representing presence and/or passage of vehicles within the selected portions of the field view.

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