با سلام
لطفا زحمت این دو مقاله IEEE رو بکشید
J. C. Figueroa Garcia, "An approximation method for Type reduction of an Interval Type-2 fuzzy set based on α-cuts," in Computer Science and Information Systems (FedCSIS), 2012 Federated Conference on, 2012, pp. 49-54.
http://ieeexplore.ieee.org/xpl/logi...ieee.org/stamp/stamp.jsp?tp=&arnumber=6354390
O. Linda and M. Manic, "General Type-2 Fuzzy C-Means Algorithm for Uncertain Fuzzy Clustering," Fuzzy Systems, IEEE Transactions on, vol. 20, pp. 883-897, 2012.
http://ieeexplore.ieee.org/xpl/arti...eans+Algorithm+for+Uncertain+Fuzzy+Clustering
با تشکر