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An Efficient Unsupervised MRF Image Clustering Method

  • Yimin Hou
  • Lei Guo
  • Xiangmin Lun
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4252)

Abstract

On the basis of Markov Random Field (MRF), which uses context information, in this paper, a robust image segmentation method is proposed. The relationship between observed pixel intensities and distance between pixels are introduced to the traditional neighbourhood potential function, which described the probability of pixels being classified into one class. To perform an unsupervised segmentation, the Bayes Information Criterion (BIC) is used to determine the class number. The K-means is employed to initialise the classification and calculate the mean values and variances of the classes. The segmentation is transformed to maximize a posteriori (MAP) procedure. Then, the Iterative Conditional Model (ICM) is employed to solve the MAP problem. In the experiments, the proposed method is adopted with K-means, traditional Expectation-Maximization (EM) and MRF image segmentation techniques, for noisy image segmentation applying on synthetic and real images. The experiment results and the histogram of signal to noise ratio (SNR)-miss classification ratio (MCR) showed that the proposed algorithm is the better choice.

Keywords

Image Segmentation Segmentation Result Markov Random Field Unsupervised Segmentation House Image 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Yimin Hou
    • 1
  • Lei Guo
    • 1
  • Xiangmin Lun
    • 2
  1. 1.Department of AutomationNorthwestern Polytechnical UniversityXi’an
  2. 2.Xi’an Institute of Optics and Precision Mechanics of CasXi’an

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