Practical optimization of deep learning models for cuffless blood pressure estimation from photoplethysmography

Vikas Khurana, Aejaz Mohammad Pamidi, Bharat Bhushan Joshi, Ganesh Belde, Rajesh Reddy Goutha, Ratan Bajpai, Subodha Kumar, Akram Khan

Physiological Measurement· 2026
PPGDOI

Summary

205,850 ten-second PPG–ABP segments from the MIMIC waveform database; multiresolution U-Net PPG→ABP. 62.5 Hz beats 125 Hz (SBP 5.24 vs 6.34; DBP 2.87 vs 3.27 mmHg MAE); 31.25 Hz fails (16.09 / 9.10). Averaging the top-4 peaks / bottom-4 troughs beats min–max extraction.

Key facts

Form Factor
clinical_finger
License
Not stated

Reported benchmarks

Cuffless blood pressure

mimic-waveform-205k · MAE (mmHg) ↓

#1 of 1
5.24 / 2.87

Segment-level (authors: subject-level validation still needed); 125 Hz = 6.34/3.27

Updated: Oct 11, 2026