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COMBINED FORWARD AND REVERSE CORRELATION

  • US 20070189637A1
  • Filed: 06/01/2006
  • Published: 08/16/2007
  • Est. Priority Date: 02/13/2006
  • Status: Active Grant
First Claim
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1. A method of making a correlation between a first image and a second image in an image processing algorithm, comprising:

  • computing a first correlation using image data associated with the first image as a template and using image data associated with the second image as a search area;

    determining a first correlation peak from the first correlation, the first correlation peak representing an image disparity from the first image to the second image;

    computing a second correlation using image data associated the second image as a template and using image data associated with the first image as a search area;

    determining a second correlation peak from the second correlation, the second correlation peak representing an image disparity from the second image to the first image; and

    validating the first correlation peak by comparing the second correlation peak to a threshold value, the threshold value based upon the first correlation peak.

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