Multi-user motion recognition using sEMG via discriminative canonical correlation analysis and adaptive dimensionality reduction

The inability of new users to adapt quickly to the surface electromyography (sEMG) interface has greatly hindered the development of sEMG in the field of rehabilitation. This is due mainly to the large differences in sEMG signals produced by muscles when different people perform the same motion. To...

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Main Authors: Jinqiang Wang, Dianguo Cao, Yang Li, Jiashuai Wang, Yuqiang Wu
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-10-01
Series:Frontiers in Neurorobotics
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fnbot.2022.997134/full
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author Jinqiang Wang
Dianguo Cao
Yang Li
Jiashuai Wang
Yuqiang Wu
author_facet Jinqiang Wang
Dianguo Cao
Yang Li
Jiashuai Wang
Yuqiang Wu
author_sort Jinqiang Wang
collection DOAJ
description The inability of new users to adapt quickly to the surface electromyography (sEMG) interface has greatly hindered the development of sEMG in the field of rehabilitation. This is due mainly to the large differences in sEMG signals produced by muscles when different people perform the same motion. To address this issue, a multi-user sEMG framework is proposed, using discriminative canonical correlation analysis and adaptive dimensionality reduction (ADR). The interface projects the feature sets for training users and new users into a low-dimensional uniform style space, overcoming the problem of individual differences in sEMG. The ADR method removes the redundant information in sEMG features and improves the accuracy of system motion recognition. The presented framework was validated on eight subjects with intact limbs, with an average recognition accuracy of 92.23% in 12 categories of upper-limb movements. In rehabilitation laboratory experiments, the average recognition rate reached 90.52%. The experimental results suggest that the framework offers a good solution to enable new rehabilitation users to adapt quickly to the sEMG interface.
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spelling doaj.art-5663aeab3bb643dca5692d065895b7242022-12-22T04:34:47ZengFrontiers Media S.A.Frontiers in Neurorobotics1662-52182022-10-011610.3389/fnbot.2022.997134997134Multi-user motion recognition using sEMG via discriminative canonical correlation analysis and adaptive dimensionality reductionJinqiang WangDianguo CaoYang LiJiashuai WangYuqiang WuThe inability of new users to adapt quickly to the surface electromyography (sEMG) interface has greatly hindered the development of sEMG in the field of rehabilitation. This is due mainly to the large differences in sEMG signals produced by muscles when different people perform the same motion. To address this issue, a multi-user sEMG framework is proposed, using discriminative canonical correlation analysis and adaptive dimensionality reduction (ADR). The interface projects the feature sets for training users and new users into a low-dimensional uniform style space, overcoming the problem of individual differences in sEMG. The ADR method removes the redundant information in sEMG features and improves the accuracy of system motion recognition. The presented framework was validated on eight subjects with intact limbs, with an average recognition accuracy of 92.23% in 12 categories of upper-limb movements. In rehabilitation laboratory experiments, the average recognition rate reached 90.52%. The experimental results suggest that the framework offers a good solution to enable new rehabilitation users to adapt quickly to the sEMG interface.https://www.frontiersin.org/articles/10.3389/fnbot.2022.997134/fullsurface electromyographydiscriminative canonical correlation analysisadaptive dimensionality reductionmulti-usermotion recognition
spellingShingle Jinqiang Wang
Dianguo Cao
Yang Li
Jiashuai Wang
Yuqiang Wu
Multi-user motion recognition using sEMG via discriminative canonical correlation analysis and adaptive dimensionality reduction
Frontiers in Neurorobotics
surface electromyography
discriminative canonical correlation analysis
adaptive dimensionality reduction
multi-user
motion recognition
title Multi-user motion recognition using sEMG via discriminative canonical correlation analysis and adaptive dimensionality reduction
title_full Multi-user motion recognition using sEMG via discriminative canonical correlation analysis and adaptive dimensionality reduction
title_fullStr Multi-user motion recognition using sEMG via discriminative canonical correlation analysis and adaptive dimensionality reduction
title_full_unstemmed Multi-user motion recognition using sEMG via discriminative canonical correlation analysis and adaptive dimensionality reduction
title_short Multi-user motion recognition using sEMG via discriminative canonical correlation analysis and adaptive dimensionality reduction
title_sort multi user motion recognition using semg via discriminative canonical correlation analysis and adaptive dimensionality reduction
topic surface electromyography
discriminative canonical correlation analysis
adaptive dimensionality reduction
multi-user
motion recognition
url https://www.frontiersin.org/articles/10.3389/fnbot.2022.997134/full
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