Key result
CNN-LSTM-Attention deep learning achieves ~99% ECG arrhythmia classification accuracy using data augmentation.
Why the study?
Arrhythmia is related to sudden cardiac death, and the effectiveness of data augmentation techniques in arrhythmia ECG signal sensor classification needed exploration.
Absolute Event Rate: 99.36% vs 99.16%
A deep learning model combining CNN, LSTM, and Attention mechanisms achieves highly accurate (99.36%) classification of arrhythmias using ECG signals.
Arrhythmia is a condition that develops when the heart's electromagnetic impulses do not function properly. The heart has an irregular rhythm during an arrhythmia. An electrocardiogram (ECG) is a typical instrument for evaluating heart activity and diagnosing arrhythmias. Arrhythmia is related to sudden cardiac death and the disease is a leading cause of death in the universe. It is mainly affected in the young and middle adult people. This paper explores and compares multiple explanations to the problem of the effectiveness of data augmentation in arrhythmia ECG signal sensor classification. The efficiency of data augmentation using basic methods like jittering scaling and time-warping input signal has been shown. The paper assesses various data augmentation techniques by artificially restricting access to a section of the publicly available MIT-BIH dataset. The above-mentioned are the data augmentation techniques. The proposed model that we are employed is built on a combination of CNN, long short-term memory (LSTM) + convolutional neural networks (CNN), and CNN+LSTM+Attention model that are trained using multiple classifiers and a mean square loss function. By using these 3 techniques the results show that accuracy of CNN model is 99.16, CNN+LSTM is 99.33, CNN+LSTM+Attention model is 99.36%.
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Nagini et al. (2024) studied Arrhythmia. Deep learning models (CNN, CNN+LSTM, CNN+LSTM+Attention) with data augmentation vs. Basic methods / CNN alone was evaluated on Classification accuracy. A deep learning model combining CNN, LSTM, and Attention achieved 99.36% accuracy in classifying arrhythmia from ECG signals using data augmentation techniques.
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