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Machine vision method using search models to find features in three dimensional images

  • US 6,173,070 B1
  • Filed: 12/30/1997
  • Issued: 01/09/2001
  • Est. Priority Date: 12/30/1997
  • Status: Expired due to Term
First Claim
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1. In a system for analyzing 3D image data obtained by a 3D imaging system, a method for locating objects of interest in said 3D image data comprising:

  • defining a 3D model of at least one object of interest which includes at least one weighted area indicating an area of said 3D model wherein a match to corresponding areas in said 3D image data is not of interest;

    comparing said 3D model to said 3D image data using normalized correlation; and

    providing an indication if said 3D model substantially matches part of said 3D image data.

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