Fuzzy C-means algorithm based on common mahalanobis distances

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题名:	Fuzzy C-means algorithm based on common mahalanobis distances
作者:	Liu, Hsiang-Chuan (1);Yih, Jeng-Ming (2);Lin, Wen-Chih (3);Wu, Der-Bang (2)
贡献者:	Department of Bioinformatics
关键词:	Color;Copying;Covariance matrix;Fuzzy clustering;Fuzzy rules;Fuzzy systems -FCM-CM algorithm.;FCM-M algorithm;Fuzzy C-Means algorithm;Fuzzy C-means algorithms;M-algorithms
日期:	2009
上传时间:	2010-04-07 13:21:16 (UTC+0)
出版者:	Asia University
摘要:	Some of the well-known fuzzy clustering algorithms are based on Euclidean distance function, which can only be used to detect spherical structural clusters. Gustafson-Kessel (GK) clustering algorithm and Gath- Geva (GG) clustering algorithm were developed to detect non-spherical structural clusters. However, GK algorithm needs added constraint of fuzzy covariance matrix, GK algorithm can only be used for the data with multivariate Gaussian distribution. A Fuzzy C-Means algorithm based on Mahalanobis distance (FCM-M) was proposed by our previous work to improve those limitations of GG and GK algorithms, but it is not stable enough when some of its covariance matrices are not equal. In this paper, A improved Fuzzy C-Means algorithm based on a Common Mahalanobis distance (FCM-CM) is proposed The experimental results of three real data sets show that the performance of our proposed FCM-CM algorithm is better than those of the FCM, GG, GK and FCM-M algorithms. © 2009 Old City Publishing, Inc.
關聯:	Journal of Multiple-Valued Logic and Soft Computing 15(5-6):581-595
显示于类别:	[生物資訊與醫學工程學系 ] 期刊論文

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