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System and a method for detecting a damaged or missing machine part

  • US 8,411,930 B2
  • Filed: 05/04/2007
  • Issued: 04/02/2013
  • Est. Priority Date: 05/12/2006
  • Status: Active Grant
First Claim
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1. A method for detecting a damaged or missing machine part, the method comprising:

  • (a) capturing images of a machine and a background, wherein the background moves relative to the machine over time(b) selecting time-separated images which reflect movement of the background relative to the machine;

    (c) generating a displacement image from the selected time-separated images, wherein the displacement image provides an indication of movement of each pixel represented in the displacement image between the selected time-separated images;

    (d) comparing the machine from the displacement image with a model machine; and

    (e) identifying a damaged or missing machine part from the comparison of the machine from the displacement image and the model machine.

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