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Augmented reality navigation system

  • US 20040179104A1
  • Filed: 06/03/2003
  • Published: 09/16/2004
  • Est. Priority Date: 03/10/2003
  • Status: Active Grant
First Claim
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1. An augmented reality navigation system coupled to a navigable vehicle, having a camera adapted to capture a plurality of image frames of an observable scene in accordance with said camera orientation, a display, and a base orientation sensor, the system further comprises:

  • a computer operable to;

    obtain an initial orientation from a said base orientation sensor;

    analyze a first image captured from said camera, and select a plurality of reference image components (RIC'"'"'s) therein;

    identify said RIC'"'"'s in a subsequently captured image and calculate a displacement for said RIC'"'"'s between frames;

    compute a current orientation from said initial orientation and displacement, or a recently obtained orientation and said displacement;

    generate an overlay comprising representation of objects, at least some of said objects selected using said current orientation;

    periodically update said current orientation using said base sensor; and

    , wherein said display is adapted to display said observable scene and said overlay in registration.

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