Unsupervised learning of finite mixture models

MAT Figueiredo, AK Jain - IEEE Transactions on pattern …, 2002 - ieeexplore.ieee.org
This paper proposes an unsupervised algorithm for learning a finite mixture model from
multivariate data. The adjective" unsupervised" is justified by two properties of the algorithm …

A robust EM clustering algorithm for Gaussian mixture models

MS Yang, CY Lai, CY Lin - Pattern Recognition, 2012 - Elsevier
Clustering is a useful tool for finding structure in a data set. The mixture likelihood approach
to clustering is a popular clustering method, in which the EM algorithm is the most used …

Choosing starting values for the EM algorithm for getting the highest likelihood in multivariate Gaussian mixture models

C Biernacki, G Celeux, G Govaert - Computational Statistics & Data Analysis, 2003 - Elsevier
Simple methods to choose sensible starting values for the EM algorithm to get maximum
likelihood parameter estimation in mixture models are compared. They are based on …

Simultaneous feature selection and clustering using mixture models

MHC Law, MAT Figueiredo… - IEEE transactions on …, 2004 - ieeexplore.ieee.org
Clustering is a common unsupervised learning technique used to discover group structure in
a set of data. While there exist many algorithms for clustering, the important issue of feature …

Partially supervised classification of remote sensing images through SVM-based probability density estimation

P Mantero, G Moser, SB Serpico - IEEE Transactions on …, 2005 - ieeexplore.ieee.org
A general problem of supervised remotely sensed image classification assumes prior
knowledge to be available for all the thematic classes that are present in the considered …

Robust, automatic spike sorting using mixtures of multivariate t-distributions

S Shoham, MR Fellows, RA Normann - Journal of neuroscience methods, 2003 - Elsevier
A number of recent methods developed for automatic classification of multiunit neural activity
rely on a Gaussian model of the variability of individual waveforms and the statistical …

Genetic-based EM algorithm for learning Gaussian mixture models

F Pernkopf, D Bouchaffra - IEEE Transactions on Pattern …, 2005 - ieeexplore.ieee.org
We propose a genetic-based expectation-maximization (GA-EM) algorithm for learning
Gaussian mixture models from multivariate data. This algorithm is capable of selecting the …

EM algorithms for weighted-data clustering with application to audio-visual scene analysis

ID Gebru, X Alameda-Pineda, F Forbes… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
Data clustering has received a lot of attention and numerous methods, algorithms and
software packages are available. Among these techniques, parametric finite-mixture models …

Model selection for mixture models–perspectives and strategies

G Celeux, S Frühwirth-Schnatter… - Handbook of mixture …, 2019 - taylorfrancis.com
This chapter presents some of the Bayesian solutions to the different interpretations of
picking the “right” number of components in a mixture, before concluding on the ill-posed …

Deep Gaussian mixture-hidden Markov model for classification of EEG signals

M Wang, S Abdelfattah, N Moustafa… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Electroencephalography (EEG) signals are complex dynamic phenomena that exhibit
nonlinear and nonstationary behaviors. These characteristics tend to undermine the …