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Coded visual markers for tracking and camera calibration in mobile computing systems

  • US 20030076980A1
  • Filed: 10/02/2002
  • Published: 04/24/2003
  • Est. Priority Date: 10/04/2001
  • Status: Abandoned Application
First Claim
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1. A method for determining a pose of a user comprising the steps of:

  • capturing a video image sequence of an environment including at least one coded marker;

    detecting if the at least one coded marker is present in the video images;

    if the at least one marker is present, extracting feature correspondences of the at least one coded marker;

    determining a code of the at least one coded marker using the feature correspondences; and

    comparing the determined code with a database of predetermined codes to determine the pose of the user.

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