User profiles for C. Karmakar

Chandan Karmakar

Associate Professor, Deakin University
Verified email at deakin.edu.au
Cited by 4869

C-reactive protein concentrations across the mood spectrum in bipolar disorder: a systematic review and meta-analysis

…, F Jacka, CA Köhler, C Karmakar… - The Lancet …, 2016 - thelancet.com
… We aimed to investigate whether peripheral concentrations of C-reactive protein (CRP),
an acute-phase response protein of inflammatory activity, are increased in bipolar disorder …

Heart rate variability alterations in late life depression: A meta-analysis

…, C Karmakar, R Gray, R Jindal, T Lim, C Bryant - Journal of affective …, 2018 - Elsevier
Objective There is strong evidence for a bi-directional relationship between heart-health
and depression in later life, but the physiological mechanisms underlying this relationship …

Remote health diagnosis and monitoring in the time of COVID-19

…, PE McSharry, W Karlen, C Karmakar… - Physiological …, 2020 - iopscience.iop.org
Coronavirus disease (COVID-19), caused by the severe acute respiratory syndrome coronavirus
2 (SARS-CoV-2), is rapidly spreading across the globe. The clinical spectrum of SARS-…

[HTML][HTML] Guidelines for developing and reporting machine learning predictive models in biomedical research: a multidisciplinary view

…, D Phung, T Tran, S Gupta, S Rana, C Karmakar… - Journal of medical …, 2016 - jmir.org
Background As more and more researchers are turning to big data for new opportunities of
biomedical discoveries, machine learning models, as the backbone of big data analysis, are …

Support vector machines for automated recognition of obstructive sleep apnea syndrome from ECG recordings

…, M Palaniswami, CK Karmakar - IEEE transactions on …, 2008 - ieeexplore.ieee.org
… kernel of degree 3 for C=0.8,10 and linear kernel for C=10) when the a … C=0.8. However,
the accuracy rate reached 100% (κ =1.0; ROCarea=1.0) (in polynomial kernel of degree 3 for C=…

[HTML][HTML] Complex correlation measure: a novel descriptor for Poincaré plot

CK Karmakar, AH Khandoker, J Gubbi… - Biomedical engineering …, 2009 - Springer
… where m represents lag of Poincaré plot and C n is the normalizing constant which is defined
as, C n = π * SD 1 * SD 2, represents the area of the fitted ellipse over Poincaré plot. The …

[BOOK][B] Poincaré plot methods for heart rate variability analysis

AH Khandoker, C Karmakar, M Brennan… - 2013 - Springer
Heart rate variability is the study of autonomic nervous activity through the information provided
by fluctuations in heart rate. Autonomic activity is responsible for regulating heart rate. By …

Ensemble empirical mode decomposition with principal component analysis: A novel approach for extracting respiratory rate and heart rate from …

MA Motin, CK Karmakar… - IEEE journal of …, 2017 - ieeexplore.ieee.org
The photoplethysmographic (PPG) signal measures the local variations of blood volume in
tissues, reflecting the peripheral pulse modulated by cardiac activity, respiration, and other …

[HTML][HTML] Detection of epileptic seizure based on entropy analysis of short-term EEG

P Li, C Karmakar, J Yearwood, S Venkatesh… - PloS one, 2018 - journals.plos.org
Entropy measures that assess signals’ complexity have drawn increasing attention recently
in biomedical field, as they have shown the ability of capturing unique features that are …

Comparison of pulse rate variability with heart rate variability during obstructive sleep apnea

AH Khandoker, CK Karmakar… - Medical engineering & …, 2011 - Elsevier
We investigate whether pulse rate variability (PRV) extracted from finger photo-plethysmography
(Pleth) waveforms can be the substitute of heart rate variability (HRV) from RR intervals …