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Sponsored Artificial Intelligence: A Modern Approach, Global Edition Artificial Intelligence: A Modern Approach, Global Edition

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Yue Zhang

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Sep 2026

Heart rate variability and sleep monitoring using single-channel PPG signal analysis: techniques and applications.

INTRODUCTION Heart Rate Variability (HRV) is the variation in Inter Beat Intervals (IBIs) of a heart signal and a measure of the cardiovascular system's flexibility to changes not expected from other factors. Traditional methods use electrocardiography (ECG) and polysomnography (PSG), which are invasive, costly, and un...

Yue Zhang, Yongbo Liang, Yan-Hua Guo · 0 citations

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