Three-dimensional electromagnetic articulograph based ona nonparametric representation of the magnetic field

研究成果: 会議への寄与タイプ学会誌査読

2 被引用数 (Scopus)

抄録

A measurement method of the three-dimensional electromagnetic articulograph system is presented to investigate the dynamic behavior of articulatory organs which can include lateral or rotational movements. To accurately represent the spatial pattern of the magnetic field, we use a multivariate B-spline function, which smoothly interpolates a given set of calibration data samples. The strength of the received signal is predicted based on the spline field function while considering the tilting effect of the receiver coil relative to the direction of the magnetic field. The position and orientation of the receiver coil are then estimated using an iterative procedure so that the difference between the measured and predicted signal strengths is minimized. Preliminary experiments showed that the mean estimation error of the receiver position is about 0.5 mm when the axis of the receiver coil is parallel with one of the axes of the coordinate system.

本文言語英語
ページ2297-2300
ページ数4
出版ステータス出版済み - 1月 1 2002
イベント7th International Conference on Spoken Language Processing, ICSLP 2002 - Denver, 米国
継続期間: 9月 16 20029月 20 2002

その他

その他7th International Conference on Spoken Language Processing, ICSLP 2002
国/地域米国
CityDenver
Period9/16/029/20/02

!!!All Science Journal Classification (ASJC) codes

  • 言語および言語学
  • 言語学および言語

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