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Camera control system to follow moving objects

  • US 20050226464A1
  • Filed: 11/10/2004
  • Published: 10/13/2005
  • Est. Priority Date: 05/15/2002
  • Status: Abandoned Application
First Claim
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1. A method for tracking the motion of an object with an image recording device that comprises:

  • recording a first image of an object to be tracked;

    recording a second image of said object to be tracked;

    analyzing data from said first and second images to provide a difference image of said object, said difference image comprised of pixels;

    thresholding said difference image to provide a threshold;

    calculating the centroid of said pixels above the threshold;

    determining the center of said difference image;

    determining a motion vector from the displacement from said center to said centroid;

    determining a pan tilt vector based on said motion vector; and

    moving the image receiving device based on said pan tilt vector to track the object.

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