Personalized Calibration and Hybrid Feature Fusion for Continuous Blood Pressure Estimation Using PPG and ECG Signals

Zichuan Zhang, Peng Qu, Hong Tang (Dalian University of Technology)

Sensors· 2026
PPGECGDOI

Summary

Handcrafted PTT/HRV/PPG-morphology features + masked-reconstruction SSL embeddings + subject prior BP (alpha-weighted base BP from the earliest calibration file) → XGBoost. MAE 7.25/3.98 (private set) and 7.85/4.02 mmHg (UCI). Small-sample feasibility per the authors.

Key facts

Form Factor
clinical_finger
License
Not stated

Reported benchmarks

Cuffless blood pressure

uci-bp · MAE (mmHg) ↓

#2 of 3
7.85 / 4.02

PPG+ECG, base-BP calibration; split unstated (abstract)

Updated: Oct 11, 2026