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Method for fast, robust, multi-dimensional pattern recognition

  • US 8,331,673 B1
  • Filed: 12/30/2004
  • Issued: 12/11/2012
  • Est. Priority Date: 07/13/1998
  • Status: Expired due to Term
First Claim
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1. In a search tool for finding instances of a pattern in an image, a method for specifying a generalized non-translational degree of freedom (DOF), the method comprising the steps of:

  • receiving a function that maps a value of a DOF parameter to a two-dimensional (2D) coordinate transform value in accordance with the generalized non-translational DOF;

    specifying a low end of a range of values of the DOF parameter to be searched;

    specifying a high end of a range of values of the DOF parameter to be searched;

    using a data processing device to determine a step size of the DOF parameter to be searched; and

    using the data processing device to identify a start of a range of the DOF parameter to be searched.

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