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

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J. Hayano

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2 papers indexed here

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Open access Sep 2026

Incremental Value of 24-Hour Ambulatory Electrocardiogram-Derived Heart Rate Variability in Machine-Learning Prognostic Models for Heart Failure.

To determine whether heart rate variability (HRV) indices derived from 24-hour ambulatory electrocardiography provide complementary prognostic information in machine-learning prognostic models using conventional clinical variables in patients with heart failure, particularly with regard to calibration and threshold-bas...

Y. Matsuwaki, J. Hayano, H. Kawai et al. · 0 citations
Open access Aug 2026

HRV-Based Respiratory-Rate Estimation in Older Adults: Error Modeling and Pilot Validation for Wearable Sleep Monitoring

Respiratory frequency is a critical biomarker in sleep medicine and circadian biology. We investigated whether the high-frequency (HF) component of heart-rate variability (HRV)—which reflects respiratory sinus arrhythmia (RSA)—can serve as a non-invasive proxy for breathing rate estimation from ECG or PPG. We employed...

Emi Yuda, Naoya Morikawa, J. Hayano · 0 citations

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