publication . Article . Other literature type . 2001

A wavelet-based continuous classification scheme for multifunction myoelectric control

Kevin B. Englehart; B. Hudgin; Philip A. Parker;
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  • Published: 01 Mar 2001 Journal: IEEE Transactions on Biomedical Engineering, volume 48, pages 302-311 (issn: 0018-9294, Copyright policy)
  • Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Abstract
This work represents an ongoing investigation of dexterous and natural control of powered upper limbs using the myoelectric signal. When approached as a pattern recognition problem, the success of a myoelectric control scheme depends largely on the classification accuracy. A novel approach is described that demonstrates greater accuracy than in previous work. Fundamental to the success of this method is the use of a wavelet-based feature set, reduced in dimension by principal components analysis. Further, it is shown that four channels of myoelectric data greatly improve the classification accuracy, as compared to one or two channels. It is demonstrated that exc...
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Subjects
free text keywords: Wavelet, Wavelet transform, Classifier (linguistics), Communication channel, Classification scheme, Speech recognition, Principal component analysis, Signal processing, Power control, Engineering, business.industry, business
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