EMG artifacts removal during electrical stimulation, a CWT based technique

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TitreEMG artifacts removal during electrical stimulation, a CWT based technique
Type de publicationConference Paper
Year of Publication2014
AuteursYochum M, Bakir T, Binczak S, Lepers R
Conference Name2014 IEEE REGION 10 SYMPOSIUM
PublisherIEEE; IEEE Photon Soc, Malaysia Chapter; IEEE EMBS Malaysia Chapter; IEEE SIgnal Proc Soc, Malaysia Sect; IEEE Malaysia COMSOC VT Joint Chapter; IEEE Malaysia AP MTT EMC Joint Chapter
Conference Location345 E 47TH ST, NEW YORK, NY 10017 USA
ISBN Number978-1-4799-2028-0
Mots-clésElectromyogram, histogram representation, source separation, stimulation artifacts, Wavelet
Résumé

A technique of artifacts removal based on the continuous wavelet transform is presented. It uses common mother wavelets to find the temporal localization of stimulation artifacts on electromyogram (EMG) signal during an electrically evoked contraction of a muscle. This method can be used with standard stimulation pulse waveforms like monophasics or biphasics ones. It uses a histogram representation to find the best threshold to apply on the CWT domain. The algotithm is presented with Haar wavelet and then it is used with common wavelet famillies such as Daubechies or Symlets.