Automated Atrial Fibrillation Detection using a Hybrid CNN-LSTM Network on Imbalanced ECG Datasets

• Published in: Biomedical signal processing and control Vol. 63; p. 102194
• Main Authors: Petmezas, Georgios, Haris, Kostas, Stefanopoulos, Leandros, Kilintzis, Vassilis, Tzavelis, Andreas, Rogers, John A, Katsaggelos, Aggelos K, Maglaveras, Nicos
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.01.2021
• Subjects: arrhythmia detection; atrial fibrillation; CNN; focal loss; LSTM; atrial fibrillation; arrhythmia detection; CNN; LSTM; focal loss

•The hybrid CNN-LSTM approach provides the best combination of performance (sensitivity, specificity) in comparison with all previous relevant studies.•The proposed model performs well for highly imbalanced datasets.•Focal loss function delivers better results than the classic cross-entropy function...