Image Segmentation Using Region-Based Latent Variables and Belief Propagation

We derive a deterministic algorithm that restores and segments an image using belief propagation and a variational Bayesian method based on region-based latent variables and a coupled MRF model. This algorithm estimates two hyperparameters as well as infers the original image and the latent variable...

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Published in:Journal of the Physical Society of Japan 2011-09, Vol.80 (9), p.1-1
Main Authors: Hasegawa, Ryota, Okada, Masato, Miyoshi, Seiji
Format: Article
Language:English
Subjects:
Algorithms
Bayesian analysis
Gaussian
Image restoration
Image segmentation
Magnetorheological fluids
Mathematical models
Normal distribution
Parameter estimation
Propagation
Segments
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creator Hasegawa, Ryota
Okada, Masato
Miyoshi, Seiji
description We derive a deterministic algorithm that restores and segments an image using belief propagation and a variational Bayesian method based on region-based latent variables and a coupled MRF model. This algorithm estimates two hyperparameters as well as infers the original image and the latent variables. In addition, the algorithm carries out model selection by minimizing the variational free energy. Through experiments using artificial images and a natural image degraded by Gaussian noises, we show that the derived algorithm has the potential ability to restore and segment using a single noisy image.
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ispartof Journal of the Physical Society of Japan, 2011-09, Vol.80 (9), p.1-1
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1347-4073
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source American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list)
subjects Algorithms
Bayesian analysis
Gaussian
Image restoration
Image segmentation
Magnetorheological fluids
Mathematical models
Normal distribution
Parameter estimation
Propagation
Segments
title Image Segmentation Using Region-Based Latent Variables and Belief Propagation
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