Recognition of Physiotherapeutic Exercises Through DTW and Low-Cost Vision-Based Motion Capture

Yves Rybarczyk*, Jan Kleine Deters, Arián Aladro Gonzalo, Danilo Esparza, Mario Gonzalez, Santiago Villarreal, Isabel L. Nunes

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

9 Citations (Scopus)

Abstract

Telemedicine is a current trend in healthcare. The present study is part of the ePHoRt project, which is a web-based platform for the rehabilitation of patients after hip replacement surgery. To be economically suitable the system is intended to be based on low-cost technologies, especially in terms of motion capture. This is the reason why the Kinect-based motion tracking is chosen. The paper focuses on the automatic assessment of the correctness of the exercises performed by the user. A Dynamic Time Warping (DTW) approach is used to discriminate between correct and incorrect movements. The classification of the movements through a Naïve Bayes classifier shows a very high percentage of accuracy (98.2%). Models are built for each individual and reeducation exercise with only few attributes and the same accuracy. Due to these promising results, the next step will consist of testing the algorithms on patients performing the exercises in real time.

Original languageEnglish
Title of host publicationAdvances in Human Factors and Systems Interaction - Proceedings of the AHFE 2017 International Conference on Human Factors and Systems Interaction, 2017
EditorsIsabel L. Nunes
PublisherSpringer Verlag
Pages348-360
Number of pages13
ISBN (Print)9783319603650
DOIs
Publication statusPublished - 2018
Event8th International Conference on Applied Human Factors and Ergonomics (AHFE 2017) - Westin Bonaventura Hotel, Los Angeles, United States
Duration: 17 Jul 201721 Jul 2017
Conference number: 8

Publication series

NameAdvances in Intelligent Systems and Computing
Volume592
ISSN (Print)2194-5357

Conference

Conference8th International Conference on Applied Human Factors and Ergonomics (AHFE 2017)
Abbreviated titleAHFE 2017
CountryUnited States
CityLos Angeles
Period17/07/1721/07/17

Keywords

  • Dynamic Time Warping
  • Kinect-based motion tracking
  • Machine learning
  • Movement assessment
  • Telerehabilitation

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