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Estimating Non-Gaussian Subspaces by Characteristic Functions

Kawanabe, M. ; Theis, Fabian J. Rosca, J. , eds.



Abstract

In this article, we consider high-dimensional data which contains a low-dimensional non-Gaussian structure contaminated with Gaussian noise and propose a new method to identify the non-Gaussian subspace. A linear dimension reduction algorithm based on the fourth-order cumulant tensor was proposed in our previous work [4]. Although it works well for sub-Gaussian structures, the performance is not ...

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