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Wearable Sensors for Athletic Performance: A Comparison of Discrete and Continuous Feature-Extraction Methods for Prediction Models

Mark White, Beatrice De Lazzari Orcid Logo, Neil Bezodis Orcid Logo, Valentina Camomilla Orcid Logo

Mathematics, Volume: 12, Issue: 12, Start page: 1853

Swansea University Authors: Mark White, Neil Bezodis Orcid Logo

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DOI (Published version): 10.3390/math12121853

Abstract

Wearable sensors have become increasingly popular for assessing athletic performance, but the optimal methods for processing and analysing the data remain unclear. This study investigates the efficacy of discrete and continuous feature extraction methods, separately and in combination, for modelling...

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Published in: Mathematics
ISSN: 2227-7390
Published: MDPI AG 2024
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URI: https://cronfa.swan.ac.uk/Record/cronfa66702
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spelling v2 66702 2024-06-11 Wearable Sensors for Athletic Performance: A Comparison of Discrete and Continuous Feature-Extraction Methods for Prediction Models 725158b503e2be11ce4cc531afe08990 Mark White Mark White true false 534588568c1936e94e1ed8527b8c991b 0000-0003-2229-3310 Neil Bezodis Neil Bezodis true false 2024-06-11 EAAS Wearable sensors have become increasingly popular for assessing athletic performance, but the optimal methods for processing and analysing the data remain unclear. This study investigates the efficacy of discrete and continuous feature extraction methods, separately and in combination, for modelling countermovement jump performance using wearable sensor data. We demonstrate that continuous features, particularly those derived from Functional Principal Component Analysis, outperform discrete features in terms of model performance, robustness to variations in data distribution and volume, and consistency across different datasets. Our findings underscore the importance of methodological choices, such as signal type, alignment methods, and model selection, in developing accurate and generalisable predictive models. We also highlight the potential pitfalls of relying solely on domain knowledge for feature selection and the benefits of data-driven approaches.Furthermore, we discuss the implications of our findings for the broader field of sports biomechanics and provide practical recommendations for researchers and practitioners aiming to leverage wearable sensor data for athletic performance assessment. Our results contribute to the development of more reliable and widely applicable predictive models, facilitating the use of wearable technology for optimising training and enhancing athletic outcomes across various sports disciplines. Journal Article Mathematics 12 12 1853 MDPI AG 2227-7390 accelerometer; countermovement jump; feature extraction; functional principal component analysis; inertial measurement units; jump power; signal alignment; smartphone; sport; wearables 14 6 2024 2024-06-14 10.3390/math12121853 COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University This research was funded by Regione Lazio, Call: POR FESR Lazio 2014–2020 (Azione 1.2.1), grant number 20028AP000000095. 1.2.1), grant number 20028AP000000095. The APC was waived. 2024-07-24T11:45:12.7015552 2024-06-11T15:33:30.7540963 Faculty of Science and Engineering School of Engineering and Applied Sciences - Sport and Exercise Sciences Mark White 1 Beatrice De Lazzari 0000-0002-2887-9139 2 Neil Bezodis 0000-0003-2229-3310 3 Valentina Camomilla 0000-0002-7452-120x 4 66702__30644__de29812368ce4b66a2593117b473d611.pdf 66702.pdf 2024-06-14T11:34:19.4712818 Output 3101126 application/pdf Version of Record true © 2024 by the authors. This is an open access article distributed under the terms of the Creative Commons Attribution (CC BY) license. true eng https://creativecommons.org/licenses/by/4.0/
title Wearable Sensors for Athletic Performance: A Comparison of Discrete and Continuous Feature-Extraction Methods for Prediction Models
spellingShingle Wearable Sensors for Athletic Performance: A Comparison of Discrete and Continuous Feature-Extraction Methods for Prediction Models
Mark White
Neil Bezodis
title_short Wearable Sensors for Athletic Performance: A Comparison of Discrete and Continuous Feature-Extraction Methods for Prediction Models
title_full Wearable Sensors for Athletic Performance: A Comparison of Discrete and Continuous Feature-Extraction Methods for Prediction Models
title_fullStr Wearable Sensors for Athletic Performance: A Comparison of Discrete and Continuous Feature-Extraction Methods for Prediction Models
title_full_unstemmed Wearable Sensors for Athletic Performance: A Comparison of Discrete and Continuous Feature-Extraction Methods for Prediction Models
title_sort Wearable Sensors for Athletic Performance: A Comparison of Discrete and Continuous Feature-Extraction Methods for Prediction Models
author_id_str_mv 725158b503e2be11ce4cc531afe08990
534588568c1936e94e1ed8527b8c991b
author_id_fullname_str_mv 725158b503e2be11ce4cc531afe08990_***_Mark White
534588568c1936e94e1ed8527b8c991b_***_Neil Bezodis
author Mark White
Neil Bezodis
author2 Mark White
Beatrice De Lazzari
Neil Bezodis
Valentina Camomilla
format Journal article
container_title Mathematics
container_volume 12
container_issue 12
container_start_page 1853
publishDate 2024
institution Swansea University
issn 2227-7390
doi_str_mv 10.3390/math12121853
publisher MDPI AG
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Sport and Exercise Sciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Sport and Exercise Sciences
document_store_str 1
active_str 0
description Wearable sensors have become increasingly popular for assessing athletic performance, but the optimal methods for processing and analysing the data remain unclear. This study investigates the efficacy of discrete and continuous feature extraction methods, separately and in combination, for modelling countermovement jump performance using wearable sensor data. We demonstrate that continuous features, particularly those derived from Functional Principal Component Analysis, outperform discrete features in terms of model performance, robustness to variations in data distribution and volume, and consistency across different datasets. Our findings underscore the importance of methodological choices, such as signal type, alignment methods, and model selection, in developing accurate and generalisable predictive models. We also highlight the potential pitfalls of relying solely on domain knowledge for feature selection and the benefits of data-driven approaches.Furthermore, we discuss the implications of our findings for the broader field of sports biomechanics and provide practical recommendations for researchers and practitioners aiming to leverage wearable sensor data for athletic performance assessment. Our results contribute to the development of more reliable and widely applicable predictive models, facilitating the use of wearable technology for optimising training and enhancing athletic outcomes across various sports disciplines.
published_date 2024-06-14T11:45:11Z
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