University of Illinois Urbana-Champaign
Open-source PPG foundation model pretrained directly on real-world, field-collected wearable data rather than clean clinical signals alone, aiming for better generalization to the noise of free-living conditions. Uses a ResNet-based encoder trained with a relative contrastive (RelCon) self-supervised objective, and is directly benchmarked against PaPaGei. Developed at the University of Illinois Urbana-Champaign and published at UbiComp 2025.
Architecture
CNN (1D)
ResNet-based PPG encoder trained with the RelCon (relative contrastive) self-supervised objective
Framework
PyTorch
Added to catalog
2026-07-10
MIT
License for model weights only. Associated code may be licensed seperately, check code source for specific terms.
MOODS Field PPG Dataset
Real-world wearable PPG data collected in field settings (used for Pulse-PPG training)
Embedding