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Article type: Research Article
Authors: Jagannadham, D.B.V.a; * | Sai Narayana, D.V.a | Ganesh, P.a | Koteswar, D.b
Affiliations: [a] Department of ECE, Gayatri Vidya Parishad College of Engineering, Madhurwada, Visakhapatnam, India | [b] Department of Electronic and Telecommunication Engineering, Indian Institute of Engineering Science and Technology, Shibupur, Howrah, India
Correspondence: [*] Corresponding author: D.B.V. Jagannadham, Department of ECE, Gayatri Vidya Parishad College of Engineering, Madhurwada, Visakhapatnam, India. E-mails: dbvjagannadham@gvpce.ac.in and dbvjagan@gmail.com.
Abstract: Many heart diseases can be identified and cured at an early stage by studying the changes in the features of electrocardiogram (ECG) signal. Myocardial Infarction (MI) is the serious cause of death worldwide. If MI can be detected early, the death rate will reduce. In this paper, an algorithm to detect MI in an ECG signal using Daubechies wavelet transform technique is developed. The ECG signal-denoising is performed by removing the corresponding wavelet coefficients at higher scale. After denoising, an important step towards identifying an arrhythmia is the feature extraction from the ECG. Feature extraction is carried out to detect the R peaks of the ECG signal. Since as R peak is having the highest amplitude, and therefore it is detected in the first round, subsequently location of other peaks are determined. Having completed the preprocessing and the feature extraction the MI is detected from the ECG based on inverted T wave logic and ST segment elevation. The algorithm was evaluated using MIT-BIH database and European database satisfactorily.
Keywords: Feature extraction, myocardial infarction, signal decomposition, wavelet transform
DOI: 10.3233/KES-200043
Journal: International Journal of Knowledge-based and Intelligent Engineering Systems, vol. 24, no. 3, pp. 217-226, 2020
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