AIBullisharXiv – CS AI · 10h ago7/10
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Biosignal Fingerprinting: A Cross-Modal PPG-ECG Foundation Model
Researchers have developed M2AE, a cross-modal foundation model trained on 3.4 million paired ECG and PPG signals that creates compact 'biosignal fingerprints' for cardiovascular monitoring. These privacy-preserving representations enable accurate disease detection and risk prediction across multiple clinical tasks while functioning with single-sensor wearables, addressing the scalability gap between diagnostic-grade ECG and ubiquitous PPG sensors.