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Adaptive Filtering of Electrocardiogram Signal Using Hybrid Empirical Mode Decomposition-Jaya algorithm

Department of Electronics and Communication Engineering, National Institute of Technology,Warangal, Telangana 506004, India

E-mail Address: roshanmbodile110@gmail.com

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T. V. K. Hanumantha Rao

Department of Electronics and Communication Engineering, National Institute of Technology,Warangal, Telangana 506004, India

E-mail Address: tvkhrao75@nitw.ac.in

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https://doi.org/10.1142/S0218126621502091Cited by:7 (Source: Crossref)

Abstract

Electrocardiogram (ECG) is a graphical visualization of the electrical activity of the human heart that is recorded by placing a surface electrode at standardized position on a person’s chest. ECG signals suffer from artifacts/noises due to baseline wander (BW), electrode artifacts, muscle artifacts, power-line interference and channel noises during acquisition and transmission of the ECG signals. Reduction of these artifacts is crucial for efficient diagnosis and interpretation of the human heart condition. In this paper, an effective adaptive noise canceller (ANC) based on empirical mode decomposition (EMD)-Jaya algorithm is proposed for denoising electrocardiogram. In this approach, intrinsic mode functions (IMFs) produced by EMD are used as reference and Jaya algorithm is used to calculate optimum weights of finite impulse response (FIR) filter. This scheme is compared with EMD, wavelet transform (WT) thresholding, and hybrid EMD-least mean square (LMS) approaches through extensive simulation on noise corrupted ECG besides verifying the robustness with real ECG signals. The performance of the proposed technique is assessed using standard metric signal-to-noise ratio (SNR) with different contamination levels. The results obtained demonstrate the superiority of the hybrid when compared to other competing approaches.

This paper was recommended by Regional Editor Emre Salman.

Keywords:

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