Distribution Entropy (DistEn): A complexity measure to detect arrhythmia from short length RR interval time series. - Chandan K. Karmakar; Radhagayathri K. Udhayakumar; Marimuthu Palaniswami (EMBC, 2015)

Effect of data length and bin numbers on distribution entropy (DistEn) measurement in analyzing healthy aging. - Radhagayathri K. Udhayakumar; Chandan K. Karmakar; Peng Li 002; Marimuthu Palaniswami (EMBC, 2015)

Influence of embedding dimension on distribution entropy in analyzing heart rate variability. - Radhagayathri K. Udhayakumar; Chandan K. Karmakar; Peng Li 002; Marimuthu Palaniswami (EMBC, 2016)

Effect of embedding dimension on complexity measures in identifying Arrhythmia. - Radhagayathri K. Udhayakumar; Chandan K. Karmakar; Peng Li 002; Marimuthu Palaniswami (EMBC, 2016)

Secondary measures of regularity from an entropy profile in detecting Arrhythmia. - Radhagayathri K. Udhayakumar; Chandan K. Karmakar; Marimuthu Palaniswami (EMBC, 2017)

Understanding Irregularity Characteristics of Short-Term HRV Signals Using Sample Entropy Profile. - Radhagayathri K. Udhayakumar; Chandan K. Karmakar; Marimuthu Palaniswami (IEEE Trans. Biomed. Eng., 2018)

Cross Entropy Profiling to Test Pattern Synchrony in Short-Term Signals. - Radhagayathri K. Udhayakumar; Chandan K. Karmakar; Marimuthu Palaniswami (EMBC, 2019)

Entropy Profiling to Detect ST Change in Heart Rate Variability Signals. - Radhagayathri K. Udhayakumar; Chandan K. Karmakar; Marimuthu Palaniswami (EMBC, 2019)

Entropy Profiling for Detection of Fetal Arrhythmias in Short Length Fetal Heart Rate Recordings. - Emerson Keenan; Radhagayathri K. Udhayakumar; Chandan K. Karmakar; Fiona C. Brownfoot; Marimuthu Palaniswami (EMBC, 2020)

Entropy Profiling: A Reduced - Parametric Measure of Kolmogorov - Sinai Entropy from Short-Term HRV Signal. - Chandan K. Karmakar; Radhagayathri K. Udhayakumar; Marimuthu Palaniswami (Entropy, 2020)

Modified Distribution Entropy as a Complexity Measure of Heart Rate Variability (HRV) Signal. - Radhagayathri K. Udhayakumar; Chandan K. Karmakar; Peng Li 002; Xinpei Wang; Marimuthu Palaniswami (Entropy, 2020)

Performance Analysis of Entropy Methods in Detecting Epileptic Seizure from Surface Electroencephalograms. - Emran Ali; Radhagayathri K. Udhayakumar; Maia Angelova; Chandan K. Karmakar (EMBC, 2021)

Nonlinear Features from Multi-Modal Signals for Continuous Stress Monitoring. - Radhagayathri K. Udhayakumar; Saifur Rahman 002; Shivapratap Gopakumar; Chandan K. Karmakar (EMBC, 2023)

Nonlinear Assessment of Gait Signal Complexity in Neurodegenerative Disorders. - Radhagayathri K. Udhayakumar; Shivapratap Gopakumar; Saifur Rahman 002; Chandan K. Karmakar (EMBC, 2024)

Nonlinear feature space mapping of gait dynamics for neurodegenerative disease detection. - Radhagayathri K. Udhayakumar; Shivapratap Gopakumar; Saifur Rahman 002; Chandan K. Karmakar (Biomed. Signal Process. Control., 2025)

Photoplethysmography as a noninvasive surrogate for microneurography in measuring stress-induced sympathetic nervous activation - A machine learning approach. - Saifur Rahman 002; Radhagayathri K. Udhayakumar; David Kaplan; Brendan McCarthy; Tye Dawood; Nicholas Mellor; Alexander Senior; Vaughan G. Macefield; Dilpreet Buxi; Chandan K. Karmakar (Comput. Biol. Medicine, 2025)