Proceedings of the Twenty-Seventh International Joint Conference on Artificial Intelligence 2018
DOI: 10.24963/ijcai.2018/355
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Spectral Feature Scaling Method for Supervised Dimensionality Reduction

Abstract: Irregular features disrupt the desired classification. In this paper, we consider aggressively modifying scales of features in the original space according to the label information to form wellseparated clusters in low-dimensional space. The proposed method exploits spectral clustering to derive scaling factors that are used to modify the features. Specifically, we reformulate the Laplacian eigenproblem of the spectral clustering as an eigenproblem of a linear matrix pencil whose eigenvector has the scaling fa… Show more

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Cited by 6 publications
(1 citation statement)
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“…This study focuses on singular cases. This kind of problems (1.1) arises in the eigenstate computations of semiconductor quantum wells [1], the collocation method for approximating the eigenfunctions of the Hilbert-Schmidt operator [11], rectangular-shaped linear operators [4], and supervised dimensionality reduction [27,26]. Projection methods developed in [35] give the eigenvalues in a prescribed region and the corresponding eigenvectors of a regular matrix pencil.…”
Section: Introductionmentioning
confidence: 99%
“…This study focuses on singular cases. This kind of problems (1.1) arises in the eigenstate computations of semiconductor quantum wells [1], the collocation method for approximating the eigenfunctions of the Hilbert-Schmidt operator [11], rectangular-shaped linear operators [4], and supervised dimensionality reduction [27,26]. Projection methods developed in [35] give the eigenvalues in a prescribed region and the corresponding eigenvectors of a regular matrix pencil.…”
Section: Introductionmentioning
confidence: 99%