NDLI: Adaptive estimation of temporal gait parameters using body-worn gyroscopes

Content Provider	IEEE Xplore Digital Library
Author	Greene, B.R. McGrath, D. O'Donovan, K.J. O'Neill, R. Burns, A. Caulfield, B.
Copyright Year	2010
Description	Author affiliation: CLARITY Centre for Sensor Web Technologies and School of Physiotherapy and Performance Science, University College Dublin, Ireland (Caulfield, B.) \|\| Intel Digital Health Group, Leixlip, Co. Kildare, Ireland (Greene, B.R.; O'Donovan, K.J.; Burns, A.) \|\| School of Physiotherapy and Performance Science, University College Dublin, Ireland (McGrath, D.) \|\| TRIL Centre, University College Dublin, Ireland (O'Neill, R.)
Abstract	Body-worn kinematic sensors have been widely proposed for use in portable, low cost, ambulatory monitoring of gait. Such sensor based systems could avoid the need for high-cost laboratory-based methods for measurement of gait. We aimed to evaluate an adaptive gyroscope-based algorithm for automated temporal gait analysis using body-worn wireless gyroscopes. Temporal gait parameters were calculated from initial contact (IC) and terminal contact (TC) points derived from gyroscopes, contained in wireless sensors on the left and right shanks, using a newly developed adaptive algorithm. Gyroscope data from nine healthy adult subjects performing four walks at three different speeds were then compared against data acquired simultaneously using two force-plates. Results show that the mean true error between the adaptive gyroscope algorithm and force-plate was −5.5±7.3 ms and 40.6±19.2 ms for IC and TC points respectively; the latter representing a consistent, systematic error of this magnitude that may be intrinsic to shank-mounted gyroscopes. These results suggest that the algorithm reported here could form the basis of a robust, portable, low-cost system for ambulatory monitoring of gait.
Starting Page	1296
Ending Page	1299
File Size	472224
Page Count	4
File Format	PDF
ISBN	9781424441235
ISSN	1557170X
DOI	10.1109/IEMBS.2010.5626400
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-31
Publisher Place	Argentina
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Gyroscopes Integrated circuits Sensors Angular velocity Legged locomotion Biomedical monitoring Monitoring
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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