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OBJECT TRACKING WITH PROJECTED REFERENCE PATTERNS

  • US 20120262365A1
  • Filed: 04/12/2011
  • Published: 10/18/2012
  • Est. Priority Date: 04/12/2011
  • Status: Active Grant
First Claim
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1. A system for controlling a graphic on a display screen based on positional data determined for a tracked object, the system comprising:

  • a projector to project a pattern of identifiable radiation onto at least one interior surface of a room in which the display screen is to be disposed;

    a first optical position sensing device disposed in the object to collect the identifiable radiation as reflected from the at least one interior surface;

    a processor to determine positional data for the object based on the reflected radiation collected by the first optical position sensing device; and

    a graphics engine to render the graphic based on the object positional data.

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