Elements of information theory
Elements of information theory
GTM: the generative topographic mapping
Neural Computation
All of Nonparametric Statistics (Springer Texts in Statistics)
All of Nonparametric Statistics (Springer Texts in Statistics)
In Search of Non-Gaussian Components of a High-Dimensional Distribution
The Journal of Machine Learning Research
Rounding of convex sets and efficient gradient methods for linear programming problems
Optimization Methods & Software
An information geometrical view of stationary subspace analysis
ICANN'11 Proceedings of the 21st international conference on Artificial neural networks - Volume Part II
Sparse non Gaussian component analysis by semidefinite programming
Machine Learning
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Non-Gaussian component analysis (NGCA) introduced in [24] offered a method for high-dimensional data analysis allowing for identifying a low-dimensional non-Gaussian component of the whole distribution in an iterative and structure adaptive way. An important step of the NGCA procedure is identification of the non-Gaussian subspace using principle component analysis (PCA) method. This article proposes a new approach to NGCA called sparse NGCA which replaces the PCA-based procedure with a new the algorithm we refer to as convex projection.