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New input devices for augmented reality applications

  • US 20040113885A1
  • Filed: 05/22/2002
  • Published: 06/17/2004
  • Est. Priority Date: 05/31/2001
  • Status: Active Grant
First Claim
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1. A system for augmenting a user'"'"'s view of real-world objects with virtual objects to provide a composite augmented reality image, the system comprising:

  • a display device for displaying the composite augmented reality image to the user;

    a video-based tracking system for locating real-world objects;

    a processor for determining the position and orientation of the user'"'"'s view based on the location of the real-world objects and for projecting the virtual objects onto the display device; and

    an input device including at least one marker placed at a predetermined location in the real world, wherein the tracking system locates the input device and the processor determines its functionality based on its location.

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