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Dynamic target addressing system

  • US 6,236,737 B1
  • Filed: 03/24/1998
  • Issued: 05/22/2001
  • Est. Priority Date: 03/26/1997
  • Status: Expired due to Fees
First Claim
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1. A system for use in dynamically tracking the movement of a deformable subject comprising:

  • a plurality of active targets for location on the subject at positions of movement of the subject;

    two or more camera means for viewing the subject, each said two or more camera means having as an output a video signal;

    a computer means for receiving the video signal of each of said two or more camera means, said computer means processing each said video signal by means of an algorithm program to produce a control signal; and

    control means connected to said computer means and to said plurality of active targets, said control means receiving said control signal and processing said control signal to produce activation signals for selectively activating ones or groups of said active targets so that said computer means can determine the movement of said active targets and thereby determine the movement of the subject;

    wherein the algorithm program recognizes and selects targets or groups of targets that are moving either relatively quickly with respect to other targets or are relatively close to one another and processes the control signal to illuminate these selected targets or groups of targets more often that those targets not selected; and

    wherein each of said two or more camera means is synchronized so that each camera means begins the scan of a frame at the same time.

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