Results 1 to 10 of about 572 (122)

Ordinal Pattern Based Entropies and the Kolmogorov–Sinai Entropy: An Update [PDF]

open access: yesEntropy, 2020
Different authors have shown strong relationships between ordinal pattern based entropies and the Kolmogorov−Sinai entropy, including equality of the latter one and the permutation entropy, the whole picture is however far from being complete. This
Tim Gutjahr, Karsten Keller
doaj   +4 more sources

Entropy Profiling: A Reduced—Parametric Measure of Kolmogorov—Sinai Entropy from Short-Term HRV Signal [PDF]

open access: yesEntropy, 2020
Entropy profiling is a recently introduced approach that reduces parametric dependence in traditional Kolmogorov-Sinai (KS) entropy measurement algorithms. The choice of the threshold parameter r of vector distances in traditional entropy computations is
Chandan Karmakar   +2 more
doaj   +2 more sources

A Multiscale Partition-Based Kolmogorov–Sinai Entropy for the Complexity Assessment of Heartbeat Dynamics [PDF]

open access: yesBioengineering, 2022
Background: Several methods have been proposed to estimate complexity in physiological time series observed at different time scales, with a particular focus on heart rate variability (HRV) series.
Andrea Scarciglia   +3 more
doaj   +2 more sources

Eigenvalue Estimates Using the Kolmogorov-Sinai Entropy

open access: yesEntropy, 2011
The scope of this paper is twofold. First, we use the Kolmogorov-Sinai Entropy to estimate lower bounds for dominant eigenvalues of nonnegative matrices. The lower bound is better than the Rayleigh quotient.
Shih-Feng Shieh
doaj   +3 more sources

On the Connections of Generalized Entropies With Shannon and Kolmogorov–Sinai Entropies

open access: yesEntropy, 2014
We consider the concept of generalized Kolmogorov–Sinai entropy, where instead of the Shannon entropy function, we consider an arbitrary concave function defined on the unit interval, vanishing in the origin.
Fryderyk Falniowski
doaj   +3 more sources

Stochastic Adder Circuits with Improved Entropy Output [PDF]

open access: yesEntropy, 2023
Random pulse computing (RPC), the third paradigm along with digital and quantum computing, draws inspiration from biology, particularly the functioning of neurons.
Mateja Batelić, Mario Stipčević
doaj   +2 more sources

Trajectory classification through Freeman's curve encoding and entropic analysis. [PDF]

open access: yesPLoS ONE
The classification of trajectories in two dimensions was done through an entropic analysis of their coded representation. The steps include discretising the trajectory into an 8-symbol code using the Freeman procedure.
Roxana Peña-Mendieta   +5 more
doaj   +2 more sources

Information Dynamics of the Mother–Fetus System Using Kolmogorov–Sinai Entropy Derived from Heart Sounds: A Longitudinal Study from Early Pregnancy to Postpartum [PDF]

open access: yesEntropy
Kolmogorov–Sinai (KS) entropy is an indicator of the chaotic behavior of entire systems from an information-theoretic viewpoint. Here, we used KS entropy values derived from the heart sounds of four fetus–mother pairs to identify the changes in fetal and
Sayuri Ishiyama   +3 more
doaj   +2 more sources

Maximum Entropy Production vs. Kolmogorov-Sinai Entropy in a Constrained ASEP Model

open access: yesEntropy, 2014
The asymmetric simple exclusion process (ASEP) has become a paradigmatic toy-model of a non-equilibrium system, and much effort has been made in the past decades to compute exactly its statistics for given dynamical rules.
Martin Mihelich   +3 more
doaj   +3 more sources

A Benchmark for Entropy Estimators [PDF]

open access: yesEntropy
This study assessed the performance of several entropy estimators for numerical time series and symbolic data on non-trivial one-dimensional dynamical systems whose Kolmogorov–Sinai entropy is known with certified accuracy: recent computer-assisted proof
Lucio M. Calcagnile   +2 more
doaj   +2 more sources

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