Radhagayathri K. Udhayakumar

16 papers Journal 5Unranked 11
YearRankTypeTitle / Venue / Authors
2025 J jnl
Nonlinear feature space mapping of gait dynamics for neurodegenerative disease detection.
Biomed. Signal Process. Control.
Radhagayathri K. Udhayakumar, Shivapratap Gopakumar, Saifur Rahman, Chandan K. Karmakar
2025 J jnl
Photoplethysmography as a noninvasive surrogate for microneurography in measuring stress-induced sympathetic nervous activation - A machine learning approach.
Comput. Biol. Medicine
Saifur Rahman, Radhagayathri K. Udhayakumar, David Kaplan, Brendan McCarthy, Tye Dawood, Nicholas Mellor, Alexander Senior, Vaughan G. Macefield, Dilpreet Buxi, Chandan K. Karmakar
2024 — conf
Nonlinear Assessment of Gait Signal Complexity in Neurodegenerative Disorders.
EMBC
Radhagayathri K. Udhayakumar, Shivapratap Gopakumar, Saifur Rahman, Chandan K. Karmakar
2023 — conf
Nonlinear Features from Multi-Modal Signals for Continuous Stress Monitoring.
EMBC
Radhagayathri K. Udhayakumar, Saifur Rahman, Shivapratap Gopakumar, Chandan K. Karmakar
2021 — conf
Performance Analysis of Entropy Methods in Detecting Epileptic Seizure from Surface Electroencephalograms.
EMBC
Emran Ali, Radhagayathri K. Udhayakumar, Maia Angelova, Chandan K. Karmakar
2020 — conf
Entropy Profiling for Detection of Fetal Arrhythmias in Short Length Fetal Heart Rate Recordings.
EMBC
Emerson Keenan, Radhagayathri K. Udhayakumar, Chandan K. Karmakar, Fiona C. Brownfoot, Marimuthu Palaniswami
2020 J jnl
Entropy Profiling: A Reduced - Parametric Measure of Kolmogorov - Sinai Entropy from Short-Term HRV Signal.
Entropy
Chandan K. Karmakar, Radhagayathri K. Udhayakumar, Marimuthu Palaniswami
2020 J jnl
Modified Distribution Entropy as a Complexity Measure of Heart Rate Variability (HRV) Signal.
Entropy
Radhagayathri K. Udhayakumar, Chandan K. Karmakar, Peng Li, Xinpei Wang, Marimuthu Palaniswami
2019 — conf
Cross Entropy Profiling to Test Pattern Synchrony in Short-Term Signals.
EMBC
Radhagayathri K. Udhayakumar, Chandan K. Karmakar, Marimuthu Palaniswami
2019 — conf
Entropy Profiling to Detect ST Change in Heart Rate Variability Signals.
EMBC
Radhagayathri K. Udhayakumar, Chandan K. Karmakar, Marimuthu Palaniswami
2018 J jnl
Understanding Irregularity Characteristics of Short-Term HRV Signals Using Sample Entropy Profile.
IEEE Trans. Biomed. Eng.
Radhagayathri K. Udhayakumar, Chandan K. Karmakar, Marimuthu Palaniswami
2017 — conf
Secondary measures of regularity from an entropy profile in detecting Arrhythmia.
EMBC
Radhagayathri K. Udhayakumar, Chandan K. Karmakar, Marimuthu Palaniswami
2016 — conf
Effect of embedding dimension on complexity measures in identifying Arrhythmia.
EMBC
Radhagayathri K. Udhayakumar, Chandan K. Karmakar, Peng Li, Marimuthu Palaniswami
2016 — conf
Influence of embedding dimension on distribution entropy in analyzing heart rate variability.
EMBC
Radhagayathri K. Udhayakumar, Chandan K. Karmakar, Peng Li, Marimuthu Palaniswami
2015 — conf
Distribution Entropy (DistEn): A complexity measure to detect arrhythmia from short length RR interval time series.
EMBC
Chandan K. Karmakar, Radhagayathri K. Udhayakumar, Marimuthu Palaniswami
2015 — conf
Effect of data length and bin numbers on distribution entropy (DistEn) measurement in analyzing healthy aging.
EMBC
Radhagayathri K. Udhayakumar, Chandan K. Karmakar, Peng Li, Marimuthu Palaniswami