Automatic fuzzy clustering framework for image segmentation

T Lei, P Liu, X Jia, X Zhang, H Meng… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Clustering algorithms by minimizing an objective function share a clear drawback of having
to set the number of clusters manually. Although density peak clustering is able to find the …

A fuzzy clustering approach toward hidden Markov random field models for enhanced spatially constrained image segmentation

SP Chatzis, TA Varvarigou - IEEE Transactions on Fuzzy …, 2008 - ieeexplore.ieee.org
Hidden Markov random field (HMRF) models have been widely used for image
segmentation, as they appear naturally in problems where a spatially constrained clustering …

Fast and robust spatially constrained Gaussian mixture model for image segmentation

TM Nguyen, QMJ Wu - … transactions on circuits and systems for …, 2012 - ieeexplore.ieee.org
In this paper, a new mixture model for image segmentation is presented. We propose a new
way to incorporate spatial information between neighboring pixels into the Gaussian mixture …

A segmentation approach for stochastic geological modeling using hidden Markov random fields

H Wang, JF Wellmann, Z Li, X Wang… - Mathematical …, 2017 - Springer
Stochastic modeling methods and uncertainty quantification are important tools for gaining
insight into the geological variability of subsurface structures. Previous attempts at geologic …

Machine learning-enhanced soil classification by integrating borehole and CPTU data with noise filtering

T Xiao, HF Zou, KS Yin, Y Du, LM Zhang - Bulletin of Engineering Geology …, 2021 - Springer
Integrating borehole and piezocone penetration test (CPTU) data in site characterization
helps to achieve a more comprehensive understanding of ground conditions. However, soil …

Robust student's-t mixture model with spatial constraints and its application in medical image segmentation

TM Nguyen, QMJ Wu - IEEE Transactions on Medical Imaging, 2011 - ieeexplore.ieee.org
Finite mixture model based on the Student's-t distribution, which is heavily tailed and more
robust than Gaussian, has recently received great attention for image segmentation. A new …

A spatially constrained generative model and an EM algorithm for image segmentation

A Diplaros, N Vlassis, T Gevers - IEEE Transactions on Neural …, 2007 - ieeexplore.ieee.org
In this paper, we present a novel spatially constrained generative model and an expectation-
maximization (EM) algorithm for model-based image segmentation. The generative model …

Spatially adaptive mixture modeling for analysis of fMRI time series

T Vincent, L Risser, P Ciuciu - IEEE transactions on medical …, 2010 - ieeexplore.ieee.org
Within-subject analysis in fMRI essentially addresses two problems, the detection of brain
regions eliciting evoked activity and the estimation of the underlying dynamics. In Makni …

Estimating the granularity coefficient of a Potts-Markov random field within a Markov chain Monte Carlo algorithm

M Pereyra, N Dobigeon, H Batatia… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
This paper addresses the problem of estimating the Potts parameter β jointly with the
unknown parameters of a Bayesian model within a Markov chain Monte Carlo (MCMC) …

A Bayesian unsupervised learning approach for identifying soil stratification using cone penetration data

H Wang, X Wang, JF Wellmann… - Canadian Geotechnical …, 2019 - cdnsciencepub.com
This paper presents a novel perspective to understanding the spatial and statistical patterns
of a cone penetration dataset and identifying soil stratification using these patterns. Both …