Unconstrained bed monitoring system for scratching motion

Toshihiro Shino, Yosuke Kurihara, Shoko Nukaya, Kajiro Watanabe, Hiroshi Tanaka

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

This paper describes a novel bed sensing method for monitoring scratching motion. This bed sensing method can be used to monitor a person's health condition at home or in the hospital. Moreover, the system can detect the frequency of scratching motion. Conventional methods that use infrared cameras or acceleration sensors can impose physical and/or psychological stress on the patient. Our proposed method applies an unconstrained biosignal bed sensing device using piezoceramics. Piezoceramic sensors are bonded to stainless steel plates sandwiched between the floor and the four feet of the bed. In carrying out the validation experiment, the total scratching time (TST) was measured using this sensing device. The results were compared with the TST obtained from conventional and more constrained scratching measurement devices, such as cameras, electromyograph (EMG) sensors, ceramic sheets, microphones, strain gauges, acceleration sensors, and gyro sensors. The experiment indicated that the sensors positioned close to the subject's head, where the scratching points are closer, were capable of determining the TST at an accuracy nearly equal to or greater than that obtained by all the conventional sensors except for the gyro sensors.

本文言語English
ホスト出版物のタイトルProceedings of the ISCA 24th International Conference on Computer Applications in Industry and Engineering, CAINE 2011
ページ135-140
ページ数6
出版ステータスPublished - 2011 12月 1
イベント24th International Conference on Computer Applications in Industry and Engineering, CAINE 2011 - Honolulu, HI, United States
継続期間: 2011 11月 162011 11月 18

出版物シリーズ

名前Proceedings of the ISCA 24th International Conference on Computer Applications in Industry and Engineering, CAINE 2011

Other

Other24th International Conference on Computer Applications in Industry and Engineering, CAINE 2011
国/地域United States
CityHonolulu, HI
Period11/11/1611/11/18

ASJC Scopus subject areas

  • コンピュータ サイエンスの応用
  • 産業および生産工学

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