BeatGraph: Self-Supervised Heartbeat Graphs for Infant ECG Representations from the Home Environment
Electrocardiogram (ECG) foundation models typically tokenize the signal into fixed-length patches that ignore cardiac structure, so a patch may split a heartbeat and the number of beats in each patch shifts with heart rate. This matters most for infants, whose heart rates are higher and whose ECG differs from the adult...
Mohammad Nur Hossain Khan, M. Krafczyk, Beverly G. Bolster et al.
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