Papers › A Personalized Zero-Shot ECG Arrhythmia Monitoring System: From Sparse Representation...
A Personalized Zero-Shot ECG Arrhythmia Monitoring System: From Sparse Representation Based Domain Adaption to Energy Efficient Abnormal Beat Detection for Practical ECG Surveillance
Mehmet Yamaç, Mert Duman, İlke Adalıoğlu, Serkan Kiranyaz, Moncef Gabbouj
This paper proposes a low-cost and highly accurate ECG-monitoring system intended for personalized early arrhythmia detection for wearable mobile sensors. Earlier supervised approaches for personalized ECG monitoring require both abnormal and normal heartbeats for the training of the dedicated classifier. However, in a real-world scenario where the personalized algorithm is embedded in a wearable device, such training data is not available for healthy people with no cardiac disorder history. In this study, (i) we propose a null space analysis on the healthy signal space obtained via sparse dictionary learning, and investigate how a simple null space projection or alternatively regularized least squares-based classification methods can reduce the computational complexity, without sacrificing the detection accuracy, when compared to sparse representation-based classification. (ii) Then we introduce a sparse representation-based domain adaptation technique in order to project other existing users' abnormal and normal signals onto the new user's signal space, enabling us to train the dedicated classifier without having any abnormal heartbeat of the new user. Therefore, zero-shot learning can be achieved without the need for synthetic abnormal heartbeat generation. An extensive set of experiments performed on the benchmark MIT-BIH ECG dataset shows that when this domain adaptation-based training data generator is used with a simple 1-D CNN classifier, the method outperforms the prior work by a significant margin. (iii) Then, by combining (i) and (ii), we propose an ensemble classifier that further improves the performance. This approach for zero-shot arrhythmia detection achieves an average accuracy level of 98.2% and an F1-Score of 92.8%. Finally, a personalized energy-efficient ECG monitoring scheme is proposed using the above-mentioned innovations.
Code
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Tasks
Results from the paper archive 2025-07-28
| Task | Dataset | Model | Metric | Value | Rank at snapshot | Leaderboard | Report |
|---|---|---|---|---|---|---|---|
| Arrhythmia Detection | MIT-BIH Arrhythmia Database | Ensemble CNN Classifier with Domain Adaptation | Accuracy | 98.2 | #2 of 2 | Archive leaderboard | report |
| Arrhythmia Detection | MIT-BIH Arrhythmia Database | Ensemble CNN Classifier with Domain Adaptation | F1 | 92.8 | #2 of 2 | Archive leaderboard | report |
| Arrhythmia Detection | MIT-BIH Arrhythmia Database | Ensemble CNN Classifier with Domain Adaptation | Precision | 91.9 | #2 of 2 | Archive leaderboard | report |
| Arrhythmia Detection | MIT-BIH Arrhythmia Database | Ensemble CNN Classifier with Domain Adaptation | Recall | 93.7 | #2 of 2 | Archive leaderboard | report |
| Arrhythmia Detection | MIT-BIH Arrhythmia Database | Ensemble CNN Classifier with Domain Adaptation | specificity | 98.8 | #2 of 2 | Archive leaderboard | report |
Ranks are positions in the archive's leaderboards as they stood at the 2025-07-28 snapshot. Results published since then are not among these rows, so a rank here is not a current standing.
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