Adapting magnetic resonant coupling based relative positioning technology for wearable activitiy recogniton

Gerald Pirkl, Karl Stockinger, Kai Kunze, Paul Lukowicz

研究成果: Conference contribution

35 被引用数 (Scopus)

抄録

We demonstrate how modulated magnetic field technology that is well established in high precision, stationary motion tracking systems can be adapted to wearable activity recognition. To this end we describe the design and implementation of a cheap (components cost about 20 Euro for the transmitter and 15 Euro for the receiver), low power (17mA for the transmitter and 40mA for the receiver), and easily wearable (the main size constraint are the coils which are about 25mm3) system for tracking the relative position and orientation of body parts. We evaluate our system on two recognition tasks. On a set of 6 subtle nutrition related gestures it achieves 99.25% recognition rate compared to 94.1% for a XSense inertial device ( operated calibrated, euler angle mode). On the recognition of 8 Tai Chi moves it reaches 94 % compared to 86% of an accelerometer. Combining our sensor with the accelerometer leads to 100% correct recognition (as compared to 90% when combining the accelerometer with a gyro)

本文言語English
ホスト出版物のタイトルProceedings - 12th IEEE International Symposium on Wearable Computers, ISWC 2008
ページ47-54
ページ数8
DOI
出版ステータスPublished - 2008 12月 1
外部発表はい
イベント12th IEEE International Symposium on Wearable Computers, ISWC 2008 - Pittsburgh, PA, United States
継続期間: 2008 9月 282008 10月 1

出版物シリーズ

名前Proceedings - International Symposium on Wearable Computers, ISWC
ISSN(印刷版)1550-4816

Other

Other12th IEEE International Symposium on Wearable Computers, ISWC 2008
国/地域United States
CityPittsburgh, PA
Period08/9/2808/10/1

ASJC Scopus subject areas

  • ソフトウェア
  • ハードウェアとアーキテクチャ
  • コンピュータ ネットワークおよび通信

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