Abstract
Autonomous Electrocardiogram (ECG) image classification contributes to the effective detection of cardiac abnormalities and decrease the reliance on manual interpretations. This research study integrates transfer learning and EfficientNet-B0 architecture for the classification of four-class ECG images. In the pre-trained model, the open-source ECG images are pre-processed via image size adjustment, tensor conversion, and channel wise normalization. EfficientNet-B0 architecture combined with the weights obtained via ImageNet training was fine-tuned by enabling a task specific classifier with four output classes and training with cross-entropy loss function and Adam optimizer. The model performance analysis is done in terms of accuracy, precision, recall, F1-score, and confusion matrix analysis. The resultant ECG image classification corresponds to the accuracy of 99.61%. The class-level performance demonstrates high model prediction results. Moreover, the proposed framework performs efficient classification and visualization of individual ECG images.References
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