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XU Tong, LIU Li ping, LIU Yue, WANG Yong tian. Calibration Scheme Under Spherical Coordinates for Magnetic Tracker Used in VR System[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2002, 11(3): 256-258.
Citation: XU Tong, LIU Li ping, LIU Yue, WANG Yong tian. Calibration Scheme Under Spherical Coordinates for Magnetic Tracker Used in VR System[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2002, 11(3): 256-258.

Calibration Scheme Under Spherical Coordinates for Magnetic Tracker Used in VR System

  • A calibration scheme under spherical coordinates is described for a magnetic tracker used in VR (virtual reality) system. A look up table containing data of tracked values for certain positions in the working space, spe cified in spherical coordinates, is generated first, which is then used to calibrate the tracking results by a two dimensional interpolation. The scheme can effectively correct the static errors in the magnetic tracking system. The employment of spherical coordinates significantly reduces the calculation complexity in calibration.
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