Coarsening of Fuzzy Partitions

被引:0
|
作者
Bodjanova, Slavka [1 ]
Kalina, Martin [2 ]
机构
[1] Texas A&M Univ, Dept Math, MSC 172, Kingsville, TX 78363 USA
[2] Slovak Univ Technol Bratislava, Fac Civil Engn, Dept Math, SK-81001 Bratislava, Slovakia
关键词
fuzzy sets; fuzzy partitions; c-means clustering algorithms; alpha-cuts; p-level sets; coarseness; defuzzification;
D O I
暂无
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
A vague partition U of a finite universal set X into c clusters, where each cluster is described by a fuzzy set on X, is considered. The concept of p-level sets [3] of fuzzy sets is extended to p-level matrices of fuzzy partitions. A method of gradual coarsening of U based on a sequence of p-level matrices derived from the membership grades of clusters of U is suggested. Modifications of p-level matrices to extended p-level matrices and to strict p-level matrices are proposed.
引用
收藏
页码:127 / 132
页数:6
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