Feature subset evaluation method for upper limb rehabilitation training based on joint feature discernibility

A feature subset discernibility hybrid evaluation method using Fisher score based on joint feature and support vector machine is proposed for the feature selection problem of the upper limb rehabilitation training motion of Brunnstrom 4–5 stage patients. In this method, the joint feature is introduc...

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Main Authors: Guoyu Zuo, Zhaokun Xu, Jiahao Lu, Daoxiong Gong
Format: Article
Language:English
Published: Wiley 2019-03-01
Series:International Journal of Distributed Sensor Networks
Online Access:https://doi.org/10.1177/1550147719838467
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author Guoyu Zuo
Zhaokun Xu
Jiahao Lu
Daoxiong Gong
author_facet Guoyu Zuo
Zhaokun Xu
Jiahao Lu
Daoxiong Gong
author_sort Guoyu Zuo
collection DOAJ
description A feature subset discernibility hybrid evaluation method using Fisher score based on joint feature and support vector machine is proposed for the feature selection problem of the upper limb rehabilitation training motion of Brunnstrom 4–5 stage patients. In this method, the joint feature is introduced to evaluate the discernibility between classes due to the joint effect of both candidate and selected features. A feature subset search strategy is used to search a set of candidate feature subsets. The Fisher score based on joint feature method is used to evaluate the candidate feature subsets and the best subset is selected as a new selected feature subset. From these selected subsets such as obtained by the above process, the subset with the best performance of support vector machine classification is finally selected as the optimal feature subset. Experiments were carried out on the upper limb routine rehabilitation training samples of the Brunnstrom 4–5 stage. Compared with both the F -score and the discernibility of feature subset methods, the experimental results show the effectiveness and feasibility of the proposed method which can obtain the feature subsets with higher accuracy and smaller feature dimension.
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institution Kabale University
issn 1550-1477
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series International Journal of Distributed Sensor Networks
spelling doaj-art-b7f3ffaaca46466498429dcdce156f772025-02-03T06:43:15ZengWileyInternational Journal of Distributed Sensor Networks1550-14772019-03-011510.1177/1550147719838467Feature subset evaluation method for upper limb rehabilitation training based on joint feature discernibilityGuoyu Zuo0Zhaokun Xu1Jiahao Lu2Daoxiong Gong3Beijing Key Laboratory of Computing Intelligence and Intelligent Systems, Beijing, ChinaBeijing Key Laboratory of Computing Intelligence and Intelligent Systems, Beijing, ChinaBeijing Key Laboratory of Computing Intelligence and Intelligent Systems, Beijing, ChinaBeijing Key Laboratory of Computing Intelligence and Intelligent Systems, Beijing, ChinaA feature subset discernibility hybrid evaluation method using Fisher score based on joint feature and support vector machine is proposed for the feature selection problem of the upper limb rehabilitation training motion of Brunnstrom 4–5 stage patients. In this method, the joint feature is introduced to evaluate the discernibility between classes due to the joint effect of both candidate and selected features. A feature subset search strategy is used to search a set of candidate feature subsets. The Fisher score based on joint feature method is used to evaluate the candidate feature subsets and the best subset is selected as a new selected feature subset. From these selected subsets such as obtained by the above process, the subset with the best performance of support vector machine classification is finally selected as the optimal feature subset. Experiments were carried out on the upper limb routine rehabilitation training samples of the Brunnstrom 4–5 stage. Compared with both the F -score and the discernibility of feature subset methods, the experimental results show the effectiveness and feasibility of the proposed method which can obtain the feature subsets with higher accuracy and smaller feature dimension.https://doi.org/10.1177/1550147719838467
spellingShingle Guoyu Zuo
Zhaokun Xu
Jiahao Lu
Daoxiong Gong
Feature subset evaluation method for upper limb rehabilitation training based on joint feature discernibility
International Journal of Distributed Sensor Networks
title Feature subset evaluation method for upper limb rehabilitation training based on joint feature discernibility
title_full Feature subset evaluation method for upper limb rehabilitation training based on joint feature discernibility
title_fullStr Feature subset evaluation method for upper limb rehabilitation training based on joint feature discernibility
title_full_unstemmed Feature subset evaluation method for upper limb rehabilitation training based on joint feature discernibility
title_short Feature subset evaluation method for upper limb rehabilitation training based on joint feature discernibility
title_sort feature subset evaluation method for upper limb rehabilitation training based on joint feature discernibility
url https://doi.org/10.1177/1550147719838467
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AT zhaokunxu featuresubsetevaluationmethodforupperlimbrehabilitationtrainingbasedonjointfeaturediscernibility
AT jiahaolu featuresubsetevaluationmethodforupperlimbrehabilitationtrainingbasedonjointfeaturediscernibility
AT daoxionggong featuresubsetevaluationmethodforupperlimbrehabilitationtrainingbasedonjointfeaturediscernibility