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Multi-label classification of arrhythmia using dynamic graph convolutional network based on encoder-decoder framework
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DOI：10.1016/j.bspc.2024.106348.png)
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Background: Cardiac arrhythmia is a condition characterized by abnormal heart electrical activity, posing a significant health risk to patients. Despite significant progress in existing arrhythmia classification methods, the accuracy of network-based classification still requires improvement. Methods: In the paper, we propose an effective classification algorithm called Encoder-Decoder Dynamic Graph Convolutional Network (ED-DGCN). In the encoder stage, a convolutional neural network(CNN) is utilized to extract feature information from electrocardiogram signals. The decoder stage employs a bidirectional long short-term memory network to define semantic regions and generate corresponding class relationships. A dynamic graph convolutional network module is constructed to capture label dependencies by obtaining a dynamic adjacency matrix. Additionally, transfer learning is employed by pre-training the proposed network on a large dataset to further enhance convergence performance and classification accuracy. Results: The proposed method is verified on the China Physiological Signal Challenge 2018 (CPSC2018) dataset. Experimental results demonstrate that the average F1-score of our method achieved 0.843, which is 1.6 % improved over existing methods. Conclusion: The proposed method effectively enhances the classification performance of the network and provides an effective solution for multi-label classification tasks in cardiac arrhythmias. The method holds promising prospects for clinical applications.
Keyword:
Arrhythmia classification
Deep learning
Multi -label classification
Graph convolutional network
Transfer learning
期刊
IF:
4.9
论文数:
1.0W
被引数:
2.4W
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