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Nonparametric imaging tracker

  • US 4,868,871 A
  • Filed: 08/13/1987
  • Issued: 09/19/1989
  • Est. Priority Date: 08/13/1987
  • Status: Expired due to Term
First Claim
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1. An imaging tracker, comprising:

  • means for declaring a reference subimage including a two-dimensional region of intensities within an image;

    means for determining a reference distribution of intensities in said reference subimage;

    means for acquiring a plurality of candidate subimages;

    means for determining a candidate distribution of intensities for each of said candidate subimages;

    means for comparing each said candidate distribution to said reference distribution;

    means for computing a statistic for each candidate subimage, said statistic being a single number based on the comparison of said candidate distribution and said reference distribution; and

    means for selecting one of said candidate subimages based on its respective statistic.

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