Stereo Tracking Error Analysis by Comparison with an Electromagnetic Tracking Device

  • Matjaž Divjak
  • Damjan Zazula
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3540)


To analyze the performance of a vision-based tracking algorithm a good reference information is needed. Magnetic trackers are often used for this purpose, but the inevitable transformation of coordinate systems can result in notable alignment errors. This paper presents an approach for estimating the accuracy of various transformation models as well as individual model parameters. Performance is evaluated numerically and then tested on real data. Results show that the method can be successfully used to analyze the tracking error of free-moving objects.


Control Point Base Vector Transformation Model Magnetic Sensor Camera Housing 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Matjaž Divjak
    • 1
  • Damjan Zazula
    • 1
  1. 1.System Software Laboratory, Faculty of Electrical Engineering and Computer ScienceUniversity of MariborMariborSlovenia

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