Author

N. Ganapathy

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Oct 2026

Cuffless Blood Pressure Estimation From Wearable Photoplethysmography and Windkessel Model-Regularized Learning Approach

Wearable cuffless blood pressure (BP) monitoring using photoplethysmography (PPG) sensors has gained attention for noninvasive hemodynamic assessment. However, most deep learning methods are purely data-driven and lack physiological consistency. This study presents a physiology-informed learning framework for PPG-based...

Adeeba Khan, Swarubini P. J., Ryunosuke Kirita et al. · IEEE Sensors Letters · 0 citations

Open access Oct 2026

Hyperlet Transform-Based Cognitive Load Assessment Using Single-Channel fNIRS Signals

Abstract Cognitive load assessment using functional nearinfrared spectroscopy (fNIRS) has gained increasing attention due to its non-invasive and high spatial resolution nature. However, reliable classification remains challenging due to non-stationary and nonlinear nature of haemodynamic signals. Conventional time-fre...

B. Parthiban, Podakanti Satyajith Chary, N. Ganapathy · Current Directions in Biomed... · 0 citations

Open access Oct 2026

Cross-Site Generalizability of ECG-Derived Biological Age for Cardiovascular Risk Stratification

Abstract Biological age reflects the functional state of the heart and can differ from chronological age, providing a useful indicator of cardiovascular health. This difference, estimated from electrocardiogram (ECG) signals as ECGderived biological age, has emerged as a promising digital biomarker for cardiovascular r...

Podakanti Satyajith Chary, N. Ganapathy · 0 citations