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Process for detection of obstacles present, in particular, in front of an automotive vehicle

  • US 5,296,924 A
  • Filed: 05/07/1992
  • Issued: 03/22/1994
  • Est. Priority Date: 05/07/1991
  • Status: Expired due to Term
First Claim
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1. A process for detecting the presence of obstacles, said process comprising the steps of:

  • providing, by means of a video camera, a video signal representative of a video image of a scene;

    measuring the distances of the obstacles in the scene relative to the video camera by means of a ranging apparatus, pulsed waves of which scan the scene by successive horizontal range lines; and

    synchronizing the pulsed waves and the scan of the pulsed waves by synchronization signals of the field and the line extracted from the video signal.

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