A PPG foundation model pretrained via multimodal ECG/respiratory contrastive sample selection on ICU data improves performance on 14 of 15 downstream tasks including field-like data while using 3x fewer subjects.
Vital videos: A dataset of face videos with ppg and blood pressure ground truths.arXiv preprint arXiv:2306.11891,
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A robust PPG foundation model using multimodal physiological supervision
A PPG foundation model pretrained via multimodal ECG/respiratory contrastive sample selection on ICU data improves performance on 14 of 15 downstream tasks including field-like data while using 3x fewer subjects.