An improved calibration framework for electromagnetic tracking devices

  title={An improved calibration framework for electromagnetic tracking devices},
  author={Milan Ikits and J. Dean Brederson and Charles D. Hansen and John M. Hollerbach},
  journal={Proceedings IEEE Virtual Reality 2001},
Electromagnetic trackers have many favorable characteristics but are notorious for their sensitivity to magnetic field distortions resulting from metal and electronic equipment in the environment. We categorize existing tracker calibration methods and present an improved technique for reducing the static position and orientation errors that are inherent to these devices. A quaternion-based formulation provides a simple and fast computational framework for representing orientation errors. Our… CONTINUE READING


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