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Artifacts and noise removal in electrocardiograms using independent component analysis

Independent component analysis (ICA) is a novel technique capable of separating independent components from electrocardiogram (ECG) complex signals. The purpose of this analysis is to evaluate the effectiveness of ICA in removing artifacts and noise from ECG recordings. ICA is applied to remove arti...

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Published in:	International journal of cardiology 2008-09, Vol.129 (2), p.278-281
Main Authors:	CHAWLA, M. P. S, VERMA, H. K, KUMAR, Vinod
Format:	Article
Language:	English
Subjects:	Algorithms Biological and medical sciences Cardiology. Vascular system Cardiovascular Diseases - diagnosis Cardiovascular Diseases - physiopathology Electrocardiography - methods Humans Medical sciences Models, Statistical Signal Processing, Computer-Assisted
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container_title	International journal of cardiology
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creator	CHAWLA, M. P. S VERMA, H. K KUMAR, Vinod
description	Independent component analysis (ICA) is a novel technique capable of separating independent components from electrocardiogram (ECG) complex signals. The purpose of this analysis is to evaluate the effectiveness of ICA in removing artifacts and noise from ECG recordings. ICA is applied to remove artifacts and noise in ECG segments of either an individual ECG CSE data base file or all files. The reconstructed ECGs are compared with the original ECG signal. For the four special cases discussed, the R-Peak magnitudes of the CSE data base ECG waveforms before and after applying ICA are also found. In the results, it is shown that in most of the cases, the percentage error in reconstruction is very small. The results show that there is a significant improvement in signal quality, i.e. SNR. All the ECG recording cases dealt showed an improved ECG appearance after the use of ICA. This establishes the efficacy of ICA in elimination of noise and artifacts in electrocardiograms.
doi_str_mv	10.1016/j.ijcard.2007.06.037
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subjects	Algorithms Biological and medical sciences Cardiology. Vascular system Cardiovascular Diseases - diagnosis Cardiovascular Diseases - physiopathology Electrocardiography - methods Humans Medical sciences Models, Statistical Signal Processing, Computer-Assisted
title	Artifacts and noise removal in electrocardiograms using independent component analysis
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