...个性化 最佳聚类数 [gap=983]Key words】：Web log mining; recommendation system; personalization; optimal cluster number ...
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聚类有效性指标既可用来评价聚类结果的有效性，也可以用来确定最佳聚类数。
Cluster validity index is used to scale the validity of clustering, and determine the number of clusters.
结果当模糊聚类数为5 ~ 6时，模糊聚类有效性函数最小，图像处理的效果达到最佳水平。
Results: When fuzzy clustering number for 5-6 and fuzzy clustering validity achieved a minimum level of image processing with the best effect.
前言：目的探讨颅脑mri图像模糊聚类分割算法中最佳模糊聚类数。
Objective: To discuss the best fuzzy clustering number of MRI brain images segmentation.
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