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Clustering in Fisher Discriminative Subspaces

Abstract : Clustering in high-dimensional spaces is nowadays a recurrent problem in many scientific domains but remains a difficult problem. This is mainly due to the fact that high-dimensional data usually live in low-dimensional subspaces hidden in the original space. This paper presents a model-based clustering approach which models the data in a discriminative subspace with an intrinsic dimension lower than the dimension of the original space. An estimation algorithm, called Fisher-EM algorithm, is proposed for estimating both the mixture parameters and the discriminative subspace. Experiments show that the proposed approach outperforms existing clustering methods and provides a useful representation of the high-dimensional data.
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Submitted on : Wednesday, April 15, 2009 - 3:02:11 PM
Last modification on : Wednesday, January 26, 2022 - 3:10:32 PM
Long-term archiving on: : Thursday, June 10, 2010 - 8:33:09 PM


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  • HAL Id : hal-00375581, version 1


Charles Bouveyron, Camille Brunet. Clustering in Fisher Discriminative Subspaces. 13th International Conference on Applied Stochastic Models and Data Analysis (ASMDA 2009), Jun 2009, Vilnius, Lithuania. (elec. proc). ⟨hal-00375581⟩



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