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Author

L. Najafizadeh

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Oct 2026

Estimating Short-Term Heart Rate Variability from Ultra-Short PPG: Mitigating Systematic Bias Using Deep Learning.

Estimating standard short-term (ST, 5 min) heart rate variability (HRV) metrics (derived from electrocardiogram (ECG)) using ultra-short-term (UST, $< 5$ min) segments of photoplethysmogram (PPG) is desirable for real-time, cost-effective HRV monitoring in critical care settings. Traditional PPG-based HRV estimation re...

Wei-Nan Wang, K. Kilgore, L. Najafizadeh · 0 citations

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