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Tracking groups of users in motion capture system

  • US 8,933,884 B2
  • Filed: 01/15/2010
  • Issued: 01/13/2015
  • Est. Priority Date: 01/15/2010
  • Status: Active Grant
First Claim
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1. A processor-implemented method in a motion capture system, the method comprising:

  • based on frames of image data of a field of view of a depth camera system, tracking a person'"'"'s body in the field of view, the tracking provides results for use by an application in providing an avatar in a virtual space on a display, such that the avatar represents the person'"'"'s body and is controlled by movement of the person'"'"'s body, the tracking comprises detecting the person'"'"'s body at a last detected location in the field of view before determining that the person'"'"'s body is no longer detected in the field of view, the last detected location is in a central region of the field of view, relatively far from edges of the field of view; and

    imposing a wait time before the application concludes that the person no longer intends to interact with the application, where the wait time is a function of a distance of the last detected location from one of the edges of the field of view, and the wait time is longer when the distance is greater.

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