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SYSTEM AND METHOD FOR DETERMINING 3D SURFACE FEATURES AND IRREGULARITIES ON AN OBJECT

  • US 20150213606A1
  • Filed: 07/11/2014
  • Published: 07/30/2015
  • Est. Priority Date: 01/27/2014
  • Status: Active Grant
First Claim
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1. A system for determining surface height variations on an object based upon a range image comprising.a camera assembly that generates a range image;

  • a vision system that analyzes the range image;

    a filter that (a) generates a best-fit surface about each of selected pixels in the range image, (b) establishes a normal to the best-fit surface, respectively for each of the pixels, and (c) determines a relative height displacement of a region about each of the pixels relative to the best-fit surface; and

    a vision system tool that analyzes height displaced features localized by the filter.

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