PPG-LM: A Photoplethysmography-Language Model with Multi-Level Clinical Alignment

arXiv:2609.33516 · cs.AI · Submitted 2026-09-27 · Read on arXiv

cs.AI

Submitted: 2026-09-27

Updated: 2026-09-27

Terminology

• Alignment — 50× in this paper · explained in 1 episode
• Accuracy — 25× in this paper · explained in 1 episode
• Foundation Model — 25× in this paper · explained in 3 episodes
• AUROC — 23× in this paper · explained in 2 episodes
• Embeddings — 20× in this paper · explained in 2 episodes
• Benchmark — 16× in this paper · explained in 2 episodes
• Foundation Models — 16× in this paper · explained in 7 episodes
• Adaptation — 11× in this paper · explained in 1 episode
• Aggregation — 11× in this paper · explained in 1 episode
• Transformer — 8× in this paper · explained in 2 episodes
• Contrastive Learning — 6× in this paper · explained in 5 episodes
• Representation Learning — 6× in this paper · explained in 2 episodes
• Ablation — 5× in this paper · explained in 1 episode
• Calibration — 4× in this paper · explained in 7 episodes
• Cosine Similarity — 4× in this paper · explained in 3 episodes
• Distillation — 4× in this paper · explained in 2 episodes
• Fine-Tuning — 3× in this paper · explained in 5 episodes
• Linear probe — 3× in this paper · explained in 2 episodes
• Ablation Studies — 2× in this paper · explained in 1 episode
• Generalization — 2× in this paper · explained in 13 episodes
• Two-Stage Framework — 2× in this paper · explained in 2 episodes
• Computational Biology — 1× in this paper · explained in 2 episodes
• External Validation — 1× in this paper · explained in 2 episodes
• Fidelity — 1× in this paper · explained in 2 episodes
• Generalizability — 1× in this paper · explained in 6 episodes
• Generative AI — 1× in this paper · explained in 2 episodes
• LLM judge — 1× in this paper · explained in 2 episodes
• Large Language Models (LLMs) — 1× in this paper · explained in 6 episodes
• Latent Representation — 1× in this paper · explained in 2 episodes
• Latent Representations — 1× in this paper · explained in 3 episodes
• Predictive Coding — 1× in this paper · explained in 2 episodes
• Trace — 1× in this paper · explained in 2 episodes
• Verification — 1× in this paper · explained in 2 episodes

Sources

• Chronos-2: From Univariate to Universal Forecasting
• Learning Transferable Sensor Models via Language-Informed Pretraining
• Toward Foundation Model for Multivariate Wearable Sensing of Physiological Signals
• PulseLM: A Foundation Dataset and Benchmark for PPG-Text Learning
• Qwen3 Technical Report
• Representation Learning with Contrastive Predictive Coding

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