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1 2016

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An efficient algorithm of ECG signal denoising using the adaptive dual threshold filter and the discrete wavelet transform

Jenkal W., Latif R., Toumanari A., Dliou A., El B'charri O., Maoulainine F. M. R.

Biocybernetics and Biomedical Engineering

2016

Vol. 36, no. 3

499--508

This paper proposes an efficient method of ECG signal denoising using the adaptive dual threshold filter (ADTF) and the discrete wavelet transform (DWT). The aim of this method is to bring together the advantages of these methods in order to improve the filtering of the ECG signal. The aim of the proposed method is to deal with the EMG noises, the power line interferences and the high frequency noises that could perturb the ECG signal. This algorithm is based on three steps of denoising, namely, the DWT decomposition, the ADTF step and the highest peaks correction step. This paper presents certain applications of this algorithm on some of the MIT-BIH Arrhythmia database's signals. The results of these applications allow observing the high performance of the proposed method comparing to some other techniques recently published.