Vehicle lamp control

  • US 6,611,610 B1
  • Filed: 03/20/2000
  • Issued: 08/26/2003
  • Est. Priority Date: 04/02/1997
  • Status: Expired due to Term
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First Claim
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1. A method of automatically controlling vehicle headlamps in a system comprising an image sensor generating a plurality of pixel levels from a scene being imaged and a controller to generate headlamp control signals, the method comprising the steps of:

  • receiving pixel levels from the image sensor;

    identifying at least one group of contiguous pixels that is associated with a light source;

    analyzing the associated group of pixels to determine at least one of the following properties of the pixel group;

    the number of pixels in the group, the width, the height, a total gray scale value, and a centroid location; and

    selectively generating a headlamp control signal in accordance with the at least one property determined in the analysis.

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