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Method and apparatus for performing scale-invariant gesture recognition

  • US 6,944,315 B1
  • Filed: 10/31/2000
  • Issued: 09/13/2005
  • Est. Priority Date: 10/31/2000
  • Status: Active Grant
First Claim
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1. A method comprising:

  • tracking an object in two frames of video;

    determining differences between a location of the object in one frame of the video and a location of the object in another frame of the video;

    obtaining a direction of motion of the object based on the differences; and

    recognizing a gesture performed by the object based, at least in part, on the direction of motion of the object;

    wherein the differences comprise first order differences between coordinate locations of the object in the two frames of video.

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