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Authors: Sopapun Suwansawang 1 and David Halliday 2

Affiliations: 1 University of York and Nakhon Pathom Rajabhat University, United Kingdom ; 2 University of York, United Kingdom

ISBN: 978-989-758-212-7

Keyword(s): Analytic Wavelets, Phase Synchronization, Cone of Influence, Non-stationary Analysis.

Related Ontology Subjects/Areas/Topics: Applications and Services ; Biomedical Engineering ; Biomedical Signal Processing ; Computer Vision, Visualization and Computer Graphics ; Informatics in Control, Automation and Robotics ; Medical Image Detection, Acquisition, Analysis and Processing ; Signal Processing, Sensors, Systems Modeling and Control ; Time and Frequency Response ; Time-Frequency Analysis ; Wavelet Transform

Abstract: Time-frequency analysis is a powerful and popular tool for studying time-varying properties of non-stationary neurophysiological signals. In this study, time-frequency based coherence and phase locking value (PLV) analysis using generalized Morse wavelets are presented. The methods are applied to pairs of surface EMG signals recorded from leg muscles during treadmill walking in healthy human subjects. Time-frequency based coherence and PLV analysis in this study detect similar patterns of 8-15 Hz and 15-20 Hz common modulation of EMG during locomotion. Our results suggest that a combination of both methods would be suitable for investigating and characterising non-stationary neurophysiological data. An understanding of the basic principles of normal locomotion can further provide insight into pathological locomotion deficits.

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Paper citation in several formats:
Suwansawang, S. and Halliday, D. (2017). Time-frequency based Coherence and Phase Locking Value Analysis of Human Locomotion Data using Generalized Morse Wavelets.In Proceedings of the 10th International Joint Conference on Biomedical Engineering Systems and Technologies - Volume 4: BIOSIGNALS, (BIOSTEC 2017) ISBN 978-989-758-212-7, pages 34-41. DOI: 10.5220/0006111800340041

@conference{biosignals17,
author={Sopapun Suwansawang. and David Halliday.},
title={Time-frequency based Coherence and Phase Locking Value Analysis of Human Locomotion Data using Generalized Morse Wavelets},
booktitle={Proceedings of the 10th International Joint Conference on Biomedical Engineering Systems and Technologies - Volume 4: BIOSIGNALS, (BIOSTEC 2017)},
year={2017},
pages={34-41},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006111800340041},
isbn={978-989-758-212-7},
}

TY - CONF

JO - Proceedings of the 10th International Joint Conference on Biomedical Engineering Systems and Technologies - Volume 4: BIOSIGNALS, (BIOSTEC 2017)
TI - Time-frequency based Coherence and Phase Locking Value Analysis of Human Locomotion Data using Generalized Morse Wavelets
SN - 978-989-758-212-7
AU - Suwansawang, S.
AU - Halliday, D.
PY - 2017
SP - 34
EP - 41
DO - 10.5220/0006111800340041

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