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KLASIFIKASI ARITMIA PADA SINYAL FETAL ECG BERBASIS DEEP LEARNING
Fetal Electrocardiogram (ECG) is a type of signal that reflects the electrophysiological activity of the fetal heart. The non-invasive abdominal electrode method is employed to obtain fetal EKG signals. Classification was conducted between normal and arrhythmia categories using two main approaches, which are autoencoder-Deep Neural Network (DNN) and Convolutional Neural Network (CNN). The autoencoder was used for feature extraction before classification with DNN. Evaluation results indicated that the DNN with autoencoder achieved a best accuracy of 76%, precision of 83%, recall of 83%, and F1 score of 79%. In contrast, the CNN approach demonstrated higher performance with an accuracy of 97%, precision of 100%, recall of 99%, and F1 score of 97%. Although the CNN approach yielded better metric results, the training loss and accuracy graphs were more optimal in the autoencoder-DNN procedure. This study indicates that the CNN method is superior for classifying fetal ECG signals, yet the autoencoder-DNN approach also shows potential with better optimization. The procedures used in this study were conducted to fulfill deep learning methods in artificial intelligence for the Non-Invasive Fetal ECG Arrhythmia Database (NIFEA DB).
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