Volume 19, Number 1 (International Journal of Engineering 2008)                   IJIEPR 2008, 19(1): 29-32 | Back to browse issues page


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Farnoosh R, Zarpak B. ­­Image Segmentation using Gaussian Mixture Model . IJIEPR. 2008; 19 (1) :29-32
URL: http://ijiepr.iust.ac.ir/article-1-19-en.html

Abstract:   (5050 Views)

Abstract: Stochastic models such as mixture models, graphical models, Markov random fields and hidden Markov models have key role in probabilistic data analysis. In this paper, we used Gaussian mixture model to the pixels of an image. The parameters of the model were estimated by EM-algorithm.

  In addition pixel labeling corresponded to each pixel of true image was made by Bayes rule. In fact, a new numerically method was introduced for finding the maximum a posterior estimation by using EM-algorithm and Gaussians mixture distribution. In this algorithm, we were made a sequence of priors, posteriors were made and then converged to a posterior probability that is called the reference posterior probability. Maximum a posterior estimated can determine by the reference posterior probability which can make labeled image. This labeled image shows our segmented image with reduced noises. We presented this method in several experiments.

Full-Text [PDF 81 kb]   (5196 Downloads)    
Type of Study: Research | Subject: Material Managment
Received: 2009/04/20

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