Brain entropy, fractal dimensions and predictability: A review of complexity measures for EEG in healthy and neuropsychiatric populations

ZJ Lau, T Pham, SHA Chen… - European Journal of …, 2022 - Wiley Online Library
There has been an increasing trend towards the use of complexity analysis in quantifying
neural activity measured by electroencephalography (EEG) signals. On top of revealing …

The multiscale entropy algorithm and its variants: A review

A Humeau-Heurtier - Entropy, 2015 - mdpi.com
Multiscale entropy (MSE) analysis was introduced in the 2002 to evaluate the complexity of
a time series by quantifying its entropy over a range of temporal scales. The algorithm has …

Belief entropy-of-entropy and its application in the cardiac interbeat interval time series analysis

H Cui, L Zhou, Y Li, B Kang - Chaos, Solitons & Fractals, 2022 - Elsevier
How to measure the complexity of physiological signals in biological system is an open
problem. Various entropy algorithms have been presented, but most of them fail to account …

COVID-19 and financial market efficiency: Evidence from an entropy-based analysis

J Wang, X Wang - Finance Research Letters, 2021 - Elsevier
This study assesses the market efficiency of S&P 500 Index, gold, Bitcoin and US Dollar
Index during the extreme event of COVID-19 pandemic. Market efficiency is estimated by a …

Optimized multivariate multiscale slope entropy for nonlinear dynamic analysis of mechanical signals

Y Li, B Tang, S Jiao, Y Zhou - Chaos, Solitons & Fractals, 2024 - Elsevier
Slope entropy (SloEn) is an effective nonlinear dynamic method to represent the complexity
of time series, which has been extensively applied to various mechanical signal processing …

On the use of approximate entropy and sample entropy with centre of pressure time-series

L Montesinos, R Castaldo, L Pecchia - Journal of neuroengineering and …, 2018 - Springer
Abstract Background Approximate entropy (ApEn) and sample entropy (SampEn) have been
previously used to quantify the regularity in centre of pressure (COP) time-series in different …

Entropy measures in machine fault diagnosis: Insights and applications

Z Huo, M Martínez-García, Y Zhang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Entropy, as a complexity measure, has been widely applied for time series analysis. One
preeminent example is the design of machine condition monitoring and industrial fault …

Multivariate multi-scale permutation entropy for complexity analysis of Alzheimer's disease EEG

FC Morabito, D Labate, FL Foresta, A Bramanti… - Entropy, 2012 - mdpi.com
An original multivariate multi-scale methodology for assessing the complexity of
physiological signals is proposed. The technique is able to incorporate the simultaneous …

Refined multiscale fuzzy entropy based on standard deviation for biomedical signal analysis

H Azami, A Fernández, J Escudero - Medical & biological engineering & …, 2017 - Springer
Multiscale entropy (MSE) has been a prevalent algorithm to quantify the complexity of
biomedical time series. Recent developments in the field have tried to alleviate the problem …

Tunable-Q wavelet transform based multivariate sub-band fuzzy entropy with application to focal EEG signal analysis

A Bhattacharyya, RB Pachori, UR Acharya - Entropy, 2017 - mdpi.com
This paper analyses the complexity of multivariate electroencephalogram (EEG) signals in
different frequency scales for the analysis and classification of focal and non-focal EEG …