An automated ECG signal quality assessment method for unsupervised diagnostic systems

• Autorzy: Satija U. , Ramkumar B. , Manikandan M. S.

Identyfikatory

DOI

10.1016/j.bbe.2017.10.002

• Języki publikacji: EN

Abstrakty

EN

In this paper, the authors present an automated method for quality assessment of electrocardiogram (ECG) signal. Our proposed method not only detects and classifies the ECG noises but also localizes the ECG noises which can play a crucial role in extracting reliable clinical features for ECG analysis systems. The proposed method is based on three stages: Wavelet decomposition of ECG signal into sub-bands; simultaneous ECG signal and noise reconstruction; extraction of temporal features such as maximum absolute amplitude, zerocrossings, kurtosis and autocorrelation function for detection, localization and classification of ECG noises including flat line (FL), time-varying noise or pause (TVN), baseline wander (BW), abrupt change (AB), power line interference (PLI), muscle artifacts (MA) and additive white Gaussian noise (AWGN). The proposed method is tested and validated against manually annotated ECG signals corrupted with aforementioned noises taken from MIT-BIH arrhythmia database, Physionet challenge database, and real-time recorded ECG signals. Comparative detection and classification results depict the superior performance of the proposed method over state of art methods. Detection results show that our method can achieve an average sensitivity (Se), average specificity (Sp) and accuracy (A) of 99.61%, 98.51%, 99.49% respectively. Also, the method achieves a Se of 98.18%, and Sp of 94.97% for real-time recorded ECG signals. The method has an average timing error of 0.14 s in localizing the noise segments. Further, classification results demonstrate that the proposed method achieves an average sensitivity (Se), average positive predictivity (PP) and classification accuracy (A_c) of 98.53%, 98.89%, 97.50% respectively.

Słowa kluczowe

EN

signal quality assessment; electrocardiogram; baseline wander; muscle artifacts

PL

ocena jakości sygnału; elektrokardiogram; artefakt mięśniowy

• Wydawca: Nałęcz Institute of Biocybernetics and Biomedical Engineering of the Polish Academy of Sciences ; Elsevier
• Czasopismo: Biocybernetics and Biomedical Engineering
• Rocznik: 2018
• Tom: Vol. 38, no. 1
• Strony: 54--70
• Opis fizyczny: Bibliogr. 50 poz., rys., tab., wykr.

Twórcy

autor

Satija U.

• Dept. of Electrical Engineering, Shiv Nadar University, Greater Noida, Uttar Pradesh 201314, India

autor

Ramkumar B.

• Indian Institute of Technology Bhubaneswar, Argul, Jatni, Odisha, India

autor

Manikandan M. S.

• Indian Institute of Technology Bhubaneswar, Argul, Jatni, Odisha, India

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).