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Ultrasonic Calibration of a Magnetic Tracker in a Virtual Reality Space
Authors: Ghazisaedy, M., Adamczyk, D., Sandin, D., Kenyon, R., DeFanti, T.
Publication: Proceedings of the IEEE Virtual Reality Annual International Symposium (VRAIS ’95), Research Triangle Park, NC This paper describes a system for calibrating the position component of a 6-degree-of-freedom magnetic tracker by comparing the output with a custom-built ultrasonic measuring system. A look-up table, created from the collected difference data, is used to interpolate for corrected values. The error of the resulting corrected magnetic tracker position is measured to be less than 5% over the calibrated range. Date: March 1, 1995 Document: View PDF |
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