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Ranking hand movements for myoelectric pattern recognition considering forearm muscle structure

Authors
Na, YoungjinKim, Sangjoon J.Jo, SunghoKim, Jung
Issue Date
Aug-2017
Publisher
SPRINGER HEIDELBERG
Citation
MEDICAL BIOLOGICAL ENGINEERING COMPUTING, v.55, no.8, pp 1507 - 1518
Pages
12
Journal Title
MEDICAL BIOLOGICAL ENGINEERING COMPUTING
Volume
55
Number
8
Start Page
1507
End Page
1518
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/146226
DOI
10.1007/s11517-016-1608-4
ISSN
0140-0118
1741-0444
Abstract
Previous pattern recognition algorithms using surface electromyography (sEMG) have been developed for subsets of predefined hand movements without considering muscle structure. In order to decode hand movements, it is important to know which movements are appropriate for PR due to the different independence of movements between individuals and the high correlated characteristics of sEMG patterns between movements. This paper proposes a method to personally rank the order of hand movements from subsets (31 finger flexion, 31 finger extension, and 4 wrist movements in this paper). The movements were sorted into a ranked order with respect to the locations of the electrodes on the proximal forearm and the distal forearm. We evaluated the classification error as the number of desired movements (N (m)) changed. The maximum N (m) with an error lower than 10% was 20 for the proximal forearm and 10 for the distal forearm from ranked movements of individuals. Our method could help to identify the optimized order of hand movements considering the personal characteristics of each individual.
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