Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/6200
Title: Adaptive neuro-fuzzy inference system for classification of ECG signals using Lyapunov exponents
Authors: Übeyli, Elif Derya
Keywords: Adaptive neuro-fuzzy inference system (ANFIS)
Fuzzy logic
Lyapunov exponent
Electrocardiogram (ECG) signals
Issue Date: 2009
Publisher: Elsevier Ireland Ltd
Abstract: This paper describes the application of adaptive neuro-fuzzy inference system (ANFIS) model for classification of electrocardiogram (ECG) signals. Decision making was performed in two stages: feature extraction by computation of Lyapunov exponents and classification by the ANFIS trained with the backpropagation gradient descent method in combination with the least squares method. Four types of ECG beats (normal beat, congestive heart failure beat, ventricular tachyarrhythmia beat, and atrial fibrillation beat) obtained from the PhysioBank database were classified by four ANFIS classifiers, To improve diagnostic accuracy, the fifth ANFIS classifier (combining ANFIS) was trained using the outputs of the four ANFIS classifiers as input data. The proposed ANFIS model combined the neural network adaptive capabilities and the fuzzy logic qualitative approach. Some conclusions concerning the saliency of features on classification of the ECG signals were obtained through analysis of the ANFIS. The performance of the ANFIS model was evaluated in terms of training performance and classification accuracies and the results confirmed that the proposed ANFIS model has potential in classifying the ECG signals. (C) 2008 Elsevier Ireland Ltd. All rights reserved.
URI: https://doi.org/10.1016/j.cmpb.2008.10.012
https://hdl.handle.net/20.500.11851/6200
ISSN: 0169-2607
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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