Abstract
Fuzzy c-means (FCM) clustering is based on minimizing the fuzzy within cluster scatter matrix trace but FCM neglects the between cluster scatter matrix trace that controls the distances between the class centroids. Based on the principle of cluster centers separation, fuzzy cluster centers separation (FCCS) clustering is an extended fuzzy c-means (FCM) clustering algorithm. FCCS attaches importance to both the fuzzy within cluster scatter matrix trace and the between cluster scatter matrix trace. However, FCCS has the same probabilistic constraints as FCM, and FCCS is sensitive to noises. To solve this problem, possibilistic cluster centers separation (PCCS) clustering is proposed based on possibilistic c-means (PCM) clustering and FCCS.Experimental results show that PCCS deals with noisy data better than FCCS and has better clustering accuracy than FCM and FCCS.
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