Utilizing Multi-PPG-Sensor Site Information in a Localized Wrist Area for Improving Cuffless Blood Pressure Estimation
Zijun Liu, Rushuang Zhou, Ting Xiang, Nan Ji, Yuanting Zhang
Summary
The PPG Atlas says 13 features per channel, 27,214 beats and a 511-subset search. None of that appears in the abstract, and the abstract says 9 features were analysed. The train/test split (subject-disjoint or not) and calibration amount are unknown.
Key facts
- Form Factor
- wrist
- License
- Not stated
Reported benchmarks
Cuffless blood pressure
liu-wrist-9ch-array-121 · MAE (mmHg) ↓
Wrist 9-ch single-λ array, own 121 subj, personalized calibration; best 5-ch C5–C9 1.33/1.16; abstract-only, split unknown
Updated: Oct 11, 2026
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