该算法通过引入聚类有效性函数，实现了最优特征数目的自动确定。
The optimal feature number is decided automatically by the introduced cluster validity function.
通过三组数据对这个聚类有效性函数的判决功能和鲁棒性进行了对比研究。
Experimental results show the effectiveness and robustness of this cluster validity function by three data sets.
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.
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