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http://dx.doi.org/10.9708/jksci.2021.26.07.029

Optimization of 1D CNN Model Factors for ECG Signal Classification  

Lee, Hyun-Ji (Dept. of Material Processing and Engineering, Inha University)
Kang, Hyeon-Ah (Software Convergence Engineering, Inha University)
Lee, Seung-Hyun (Dept. of Material Processing and Engineering, Inha University)
Lee, Chang-Hyun (Dept. of Material Processing and Engineering, Inha University)
Park, Seung-Bo (Software Convergence Engineering, Inha University)
Abstract
In this paper, we classify ECG signal data for mobile devices using deep learning models. To classify abnormal heartbeats with high accuracy, three factors of the deep learning model are selected, and the classification accuracy is compared according to the changes in the conditions of the factors. We apply a CNN model that can self-extract features of ECG data and compare the performance of a total of 48 combinations by combining conditions of the depth of model, optimization method, and activation functions that compose the model. Deriving the combination of conditions with the highest accuracy, we obtained the highest classification accuracy of 97.88% when we applied 19 convolutional layers, an optimization method SGD, and an activation function Mish. In this experiment, we confirmed the suitability of feature extraction and abnormal beat detection of 1-channel ECG signals using CNN.
Keywords
Deep learning; Electrocardiogram; CNN; ResNet; Arrhythmia Detection;
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