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Method and system for vision-based interaction in a virtual environment

  • US 8,144,148 B2
  • Filed: 02/08/2008
  • Issued: 03/27/2012
  • Est. Priority Date: 02/08/2007
  • Status: Active Grant
First Claim
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1. A computer-implemented method for tracking movement of motion features of a subject, comprising:

  • receiving data from a plurality of fixed position sensors comprising a distributed network of time of flight camera sensors to generate a volumetric three-dimensional representation of the subject;

    identifying a plurality of clusters within the volumetric three-dimensional representation that correspond to motion features indicative of movement of the motion features of the subject relative to the fixed position sensors and one or more other portions of the subject, the motion features including one or more of hands, feet, knees, elbows, head and shoulders;

    presenting one or more objects on one or more three dimensional display screens; and

    using the plurality of fixed position sensors to track motion of the motion features of the subject and track manipulation of the motion features of the meshed volumetric three-dimensional representation to determine interaction of one or more of the motion features of the subject and one or more of the one or more objects on the three dimensional display.

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