Predicting Accuracy in Pose Estimation for Marker-based Tracking

  • Authors:
  • Larry Davis;Eric Clarkson;Jannick P. Rolland

  • Affiliations:
  • -;-;-

  • Venue:
  • ISMAR '03 Proceedings of the 2nd IEEE/ACM International Symposium on Mixed and Augmented Reality
  • Year:
  • 2003

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Abstract

Tracking is a necessity for interactive virtual environments.Marker-based tracking solutions involve the placementof fiducials in a rigid configuration on the object(s)to be tracked, called a tracking probe. The realization thattracking performance is linked to probe performance necessitatesinvestigation into the design of tracking probes forproponents of marker-based tracking. A challenge involvedwith probe design is predicting the accuracy of a trackingprobe. We present a method for predicting the accuracy of atracking probe based upon a first-order propagation of theerrors associated with the markers on the probe. Resultsfor two sample tracking probes show excellent agreementbetween measured and predicted errors.