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Method and apparatus for differentiating pedestrians, vehicles, and other objects

  • US 7,403,659 B2
  • Filed: 08/30/2004
  • Issued: 07/22/2008
  • Est. Priority Date: 08/28/2003
  • Status: Active Grant
First Claim
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1. A method of classifying an object in an image, comprising:

  • building a histogram of pixel intensity values in a region of interest of the image;

    locating maxima and minima in the histogram;

    generating a binary image in accordance with said maxima and minima;

    assigning a contour score to each pixel intensity value associated with at least one said local minimum;

    segmenting the region of interest using two of the contour scores to produce a binary image; and

    classifying said object using said binary image.

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