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<p>A clustering scheme is used for model parameter estimation. Most of the existing clustering procedures require prior knowledge of the number of classes, which is often, as in unsupervised image segmentation, unavailable and must be estimated. This problem is known as the cluster validation problem. For unsupervised image segmentation the solution of this problem directly affects the quality of the segmentation. A model-fitting approach to the cluster validation problem based on Akaike's information criterion is proposed, and its efficacy and robustness are demonstrated through experimental results for synthetic mixture data and image data.</p>
pattern recognition; model-fitting; cluster validation; stochastic model-based image segmentation; parameter estimation; Akaike's information criterion; synthetic mixture data; image data; parameter estimation; pattern recognition
J. Zhang, J.W. Modestino, "A Model-Fitting Approach to Cluster Validation with Application to Stochastic Model-Based Image Segmentation", IEEE Transactions on Pattern Analysis & Machine Intelligence, vol. 12, no. , pp. 1009-1017, October 1990, doi:10.1109/34.58873
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