Motion capture system of magnetic markers using three-axial magnetic field sensor

S. Yabukami, H. Kikuchi, M. Yamaguchi, K. I. Arai, K. Takahashi, A. Itagaki, N. Wako

Research output: Contribution to journalConference articlepeer-review

66 Citations (Scopus)


We have developed a magnetic motion capture system consisting of up to two magnetic markers (Nd-Fe-B magnet) and four three-axial sensors. The position and orientation of the magnetic makers (dipole) are detected by measuring the magnetic field of markers. Position accuracy of one marker is about 3 mm when a marker is located 150 mm from a sensor, position accuracy of two markers is about 20 mm when the markers are located 150 mm from sensors. The most common error source is cross talk between the cores of three-axial sensors.

Original languageEnglish
Pages (from-to)3646-3648
Number of pages3
JournalIEEE Transactions on Magnetics
Issue number5 I
Publication statusPublished - 2000 Sept
Event2000 International Magnetics Conference (INTERMAG 2000) - Toronto, Ont, Canada
Duration: 2000 Apr 92000 Apr 12


  • Inverse problem
  • Magnetic dipole
  • Magnetic markers
  • Motion capture
  • Three-axial sensor


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