Pose calibrations for inertial sensors in rehabilitation applications

Lee Morton, Lynne Baillie, Roberto Ramirez-Iniguez

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

Abstract

Inertial motion capture systems are now used across a broad range of applications where optical motion capture systems would traditionally be used. The decreasing cost of building inertial sensors has prompted many researchers to build inertial motion capture systems for use in rehabilitation applications where they are used to track body movement. Pose calibrations are the standard method used to estimate and correct for body-sensor alignment when using inertial sensors but they have the potential to introduce a systematic error that is carried through the whole usage session. Pose calibrations are the only suitable method for inexpert users and interactive applications. Validation of the pose calibration methods is carried out using an optical motion capture system. The accuracy of the pose calibration is tested under several practical variations of the technique, we quantify the approximate errors that can be introduced by variations of the implementation and on the choice of pose used. Finally we make recommendations on how an improved pose calibration scheme should be implemented.

Original languageEnglish
Title of host publication2013 IEEE 9th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob)
PublisherIEEE
Pages204-211
Number of pages8
ISBN (Electronic)9781479904280
DOIs
Publication statusPublished - 25 Nov 2013
Event9th International Conference on Wireless and Mobile Computing, Networking and Communications 2013 - Lyon, France
Duration: 7 Oct 20139 Oct 2013

Conference

Conference9th International Conference on Wireless and Mobile Computing, Networking and Communications 2013
Abbreviated titleWiMob 2013
CountryFrance
CityLyon
Period7/10/139/10/13

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Hardware and Architecture
  • Software

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