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Generating Augmented Quaternion Random Variable With Generalized Gaussian Distribution

open access: yesIEEE Access, 2018
There is a need to generate quaternion valued processes with a given distribution ranging from super-Gaussian, Gaussian to sub-Gaussian with different degrees of properness for numerous practical applications, such as modeling the signal source, testing ...
Robert Krupinski
doaj   +2 more sources

Generalized Gaussian Distribution Improved Permutation Entropy: A New Measure for Complex Time Series Analysis [PDF]

open access: yesEntropy
To enhance the performance of entropy algorithms in analyzing complex time series, generalized Gaussian distribution improved permutation entropy (GGDIPE) and its multiscale variant (MGGDIPE) are proposed in this paper.
Kun Zheng   +4 more
doaj   +2 more sources

Enhancing Robustness of Variational Data Assimilation in Chaotic Systems: An α-4DVar Framework with Rényi Entropy and α-Generalized Gaussian Distributions [PDF]

open access: yesEntropy
Traditional 4-dimensional variational data assimilation methods have limitations due to the Gaussian distribution assumption of observation errors, and the gradient of the objective functional is vulnerable to observation noise and outliers.
Yuchen Luo   +4 more
doaj   +2 more sources

On Free Generalized Inverse Gaussian Distributions [PDF]

open access: yesComplex Analysis and Operator Theory, 2018
We study here properties of free Generalized Inverse Gaussian distributions (fGIG) in free probability. We show that in many cases the fGIG shares similar properties with the classical GIG distribution. In particular we prove that fGIG is freely infinitely divisible, free regular and unimodal, and moreover we determine which distributions in this class
Hasebe, Takahiro, Szpojankowski, Kamil
openaire   +4 more sources

Generalized Sichel Distribution and Associated Inference [PDF]

open access: yesJournal of Statistical Theory and Applications (JSTA), 2017
In this paper, we propose a generalized form of Sichel distribution which is obtained by mixing the Poisson distribution with the extended generalized inverse Gaussian distribution.
Yeh Ching Low   +2 more
doaj   +1 more source

Generalized Gaussian distributions for sequential data classification [PDF]

open access: yes2008 19th International Conference on Pattern Recognition, 2008
It has been shown in many different contexts that the Generalized Gaussian (GG) distribution represents a flexible and suitable tool for data modeling. Almost all the reported applications are focused on modeling points (fixed length vectors); a different but crucial scenario, where the employment of the GG has received little attention, is the ...
BICEGO, Manuele   +3 more
openaire   +4 more sources

Parameter Estimation For Multivariate Generalized Gaussian Distributions [PDF]

open access: yesIEEE Transactions on Signal Processing, 2013
Due to its heavy-tailed and fully parametric form, the multivariate generalized Gaussian distribution (MGGD) has been receiving much attention for modeling extreme events in signal and image processing applications. Considering the estimation issue of the MGGD parameters, the main contribution of this paper is to prove that the maximum likelihood ...
Pascal, Frédéric   +3 more
openaire   +4 more sources

Gaussian approximation of general non-parametric posterior distributions [PDF]

open access: yesInformation and Inference: A Journal of the IMA, 2017
AbstractIn a general class of Bayesian non-parametric models, we prove that the posterior distribution can be asymptotically approximated by a Gaussian process (GP). Our results apply to non-parametric exponential family that contains both Gaussian and non-Gaussian regression and also hold for both efficient (root-$n$) and inefficient (non-root-$n ...
Shang, Zuofeng, Cheng, Guang
openaire   +2 more sources

Entropy-based test for generalised Gaussian distributions [PDF]

open access: yesComputational Statistics & Data Analysis, 2022
In this paper, we provide the proof of $L^2$ consistency for the $k$th nearest neighbour distance estimator of the Shannon entropy for an arbitrary fixed $k\geq 1.$ We construct the non-parametric test of goodness-of-fit for a class of introduced generalized multivariate Gaussian distributions based on a maximum entropy principle.
Mehmet Siddik Cadirci   +3 more
openaire   +3 more sources

Analytical properties of generalized Gaussian distributions [PDF]

open access: yesJournal of Statistical Distributions and Applications, 2018
Journal of Statistical Distributions and Applications 2018 5 ...
Alex Dytso   +3 more
openaire   +1 more source

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