A parametric copula-based framework for hypothesis testing using heterogeneous data

SG Iyengar, PK Varshney… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
We present a parametric framework for the joint processing of heterogeneous data,
specifically for a binary classification problem. Processing such a data set is not …

Copula based classifier fusion under statistical dependence

O Ozdemir, TG Allen, S Choi… - … on Pattern Analysis …, 2017 - ieeexplore.ieee.org
We consider the problem of fusing probability scores from a set of classifiers to estimate a
final fused probability score. Our interest is in scenarios where the classifiers are statistically …

[HTML][HTML] Unsupervised statistical image segmentation using bi-dimensional hidden Markov chains model with application to mammography images

A Joumad, A El Moutaouakkil, A Nasroallah… - Journal of King Saud …, 2023 - Elsevier
Hidden Markov chain (HMC) models have been widely used in unsupervised image
segmentation. In these models, there is a double process; a hidden one noted X and an …

Unsupervised signal restoration using hidden Markov chains with copulas

N Brunel, W Pieczynski - Signal processing, 2005 - Elsevier
This paper deals with the statistical restoration of hidden discrete signals, extending the
classical methodology based on hidden Markov chains. The aim is to take into account the …

Using gaussian copulas in supervised probabilistic classification

R Salinas-Gutiérrez, A Hernández-Aguirre… - Soft computing for …, 2011 - Springer
This chapter introduces copula functions and the use of the Gaussian copula function to
model probabilistic dependencies in supervised classification tasks. A copula is a …

Modeling and unsupervised classification of multivariate hidden Markov chains with copulas

NJB Brunel, J Lapuyade-Lahorgue… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
Parametric modeling and estimation of non-Gaussian multidimensional probability density
function is a difficult problem whose solution is required by many applications in signal and …

Can spike coordination be differentiated from rate covariation?

B Staude, S Rotter, S Grün - Neural Computation, 2008 - ieeexplore.ieee.org
There has been a long and lively debate on whether rate covariance and temporal
coordination of spikes, regarded as potential origins for correlations in cortical spike signals …

A fast implementation of the CT_EXT algorithm for the testor property identification

G Sanchez-Diaz, I Piza-Davila, M Lazo-Cortes… - Advances in Soft …, 2010 - Springer
Typical testors are a useful tool for both feature selection and for determining feature
relevance in supervised classification problems. Nowadays, generating all typical testors of …

The use of multidimensional copulas to describe amplitude distribution of polarimetric SAR data

G Mercier, L Bouchemakh… - 2007 IEEE International …, 2007 - ieeexplore.ieee.org
The paper focuses on a flexible model of multidimensional probability density function (pdf)
dedicated to describe amplitude distribution of polarimetric SAR data. The model is based …

[PDF][PDF] Multivariate generalized gamma distribution for content based image retrieval

AD El Maliani, M El Hassouni, Y Berthoumieu… - JCIT, 2012 - academia.edu
This paper deals with the joint modeling of color textures in the context of Content Based
Image Retrieval (CBIR). We propose a generic multivariate model based on the Generalized …