Unsupervised Learning of Gaussian Mixture Model with Application to Image Segmentation[J]. Chinese Journal of Electronics, 2010, 19(3): 451-456.
Citation: Unsupervised Learning of Gaussian Mixture Model with Application to Image Segmentation[J]. Chinese Journal of Electronics, 2010, 19(3): 451-456.

Unsupervised Learning of Gaussian Mixture Model with Application to Image Segmentation

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2010-07-05
  • Density estimation via Gaussian mixture modeling has been successfully applied to image segmentation, speech processing and other fields relevant to clustering analysis and Probability density function (PDF) modeling. Finite Gaussian mixture model is usually used in practice and the selection of number of mixture components is a significant problem in its application. For example, in image segmentation, it is the donation of the number of segmentation regions. The determination of the optimal model order therefore is a problem that achieves widely attention. This paper proposes a degenerating model algorithm that could simultaneously select the optimal number of mixture components and estimate the parameters for Gaussian mixture model. Unlike traditional model order selection method, it does not need to select the optimal number of components from a set of candidate models. Based on the investigation on the property of the elliptically contoured distributions of generalized multivariate analysis, it select the correct model order in a different way that needs less operation times and less sensitive to the initial value of EM. The experimental results show the effectiveness of the algorithm.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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