LVQ Clustering and SOM Using a Kernel Function
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- INOKUCHI Ryo
- Risk Engineering Major, Graduate School of Systems and Information Engineering, University of Tsukuba
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- MIYAMOTO Sadaaki
- Risk Engineering Major, Graduate School of Systems and Information Engineering, University of Tsukuba
Bibliographic Information
- Other Title
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- カーネル関数を利用したLVQクラスタリングとSOM
- カーネル カンスウ オ リヨウ シタ LVQ クラスタリング ト SOM
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Abstract
This paper aims at discussing a clustering algorithm based on Learning Vector Quantization (LVQ) using a kernel function in support vector machines. Mapping object data into the high-dimensional feature space, this algorithm can find nonlinear boundaries between clusters which ordinary algorithms cannot find. The reason why kernel-based algorithms can find nonlinear clusters is that they may be linearly separated in the high-dimensional feature space. Nevertheless, actual configuration of data units in the high-dimensional feature space is unknown. Self-Organizing Map (SOM) associated with LVQ is hence applied with a kernel function. The resulting topological map for data in the high-dimensional feature space can visualize linearly separated clusters found by the proposed method. Numerical examples are given to show effectiveness of the proposed method when compared with fuzzy c-means and kernel-based fuzzy c-means.
Journal
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- Journal of Japan Society for Fuzzy Theory and Intelligent Informatics
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Journal of Japan Society for Fuzzy Theory and Intelligent Informatics 17 (1), 88-94, 2005
Japan Society for Fuzzy Theory and Intelligent Informatics
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Details 詳細情報について
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- CRID
- 1390282680163505152
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- NII Article ID
- 110002696379
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- NII Book ID
- AA1181479X
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- ISSN
- 18817203
- 13477986
- http://id.crossref.org/issn/13477986
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- NDL BIB ID
- 7278602
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed