GPT-PPG

PPGDOI

Key facts

Summary

Decoder-only GPT pretrained on >200M 30-s single-channel PPG segments from UCSF ICU bedside monitors (private). Sizes 19M / 85M / 345M / 1B. Predicts a per-sample logit-Laplace distribution for the next 1-s patch, so one model embeds, completes and denoises PPG.

Source paper

GPT-PPG: a GPT-based foundation model for photoplethysmography signals