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Modified variational mode decomposition for power line interference removal in ECG signals

Publication Type : Journal Article

Publisher : International Journal of Electrical and Computer Engineering

Source : International Journal of Electrical and Computer Engineering, Institute of Advanced Engineering and Science, Volume 6, Number 1, p.151-159 (2016)

Url : http://www.scopus.com/inward/record.url?eid=2-s2.0-84960111197&partnerID=40&md5=21d1b0ac63129c2493f54facedd39e84

Campus : Coimbatore

School : School of Engineering

Center : Computational Engineering and Networking

Department : Electronics and Communication

Year : 2016

Abstract : Power line interferences (PLI) occurring at 50/60 Hz can corrupt the biomedical recordings like ECG signals and which leads to an improper diagnosis of disease conditions. Proper interference cancellation techniques are therefore required for the removal of these power line disturbances from biomedical recordings. The non-linear time varying characteristics of biomedical signals make the interference removal a difficult task without compromising the actual signal characteristics. In this paper, a modified variational mode decomposition based approach is proposed for PLI removal from the ECG signals. In this approach, the central frequency of an intrinsic mode function is fixed corresponding to the normalized power line disturbance frequency. The experimental results show that the PLI interference is exactly captured both in magnitude and phase and are removed. The proposed approach is experimented with ECG signal records from MIT-BIH Arrhythmia database and compared with traditional notch filtering. Copyright © 2016 Institute of Advanced Engineering and Science. All rights reserved.

Cite this Research Publication : Dr. Neethu Mohan, S. Kumar, S., Poornachandran, P., and Dr. Soman K. P., “Modified variational mode decomposition for power line interference removal in ECG signals”, International Journal of Electrical and Computer Engineering, vol. 6, pp. 151-159, 2016.

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