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ICML
2007
IEEE
16 years 14 days ago
Dimensionality reduction and generalization
In this paper we investigate the regularization property of Kernel Principal Component Analysis (KPCA), by studying its application as a preprocessing step to supervised learning ...
Sofia Mosci, Lorenzo Rosasco, Alessandro Verri
SIAMSC
2008
146views more  SIAMSC 2008»
14 years 11 months ago
Long Time Numerical Solution of the Navier--Stokes Equations Based on a Sequential Regularization Formulation
Abstract. The sequential regularization method is a reformulation of the unsteady Navier-Stokes equations from the view point of constrained dynamical systems or approximate Helmho...
Ping Lin, Jian-Guo Liu, Xiliang Lu
ECML
2007
Springer
15 years 5 months ago
Fast Optimization Methods for L1 Regularization: A Comparative Study and Two New Approaches
L1 regularization is effective for feature selection, but the resulting optimization is challenging due to the non-differentiability of the 1-norm. In this paper we compare state...
Mark Schmidt, Glenn Fung, Rómer Rosales
JUCS
2007
71views more  JUCS 2007»
14 years 11 months ago
Rates of Asymptotic Regularity for Halpern Iterations of Nonexpansive Mappings
: In this paper we obtain new effective results on the Halpern iterations of nonexpansive mappings using methods from mathematical logic or, more specifically, proof-theoretic te...
Laurentiu Leustean
ICC
2008
IEEE
154views Communications» more  ICC 2008»
15 years 6 months ago
Regularized Channel Inversion for Multiple-Antenna users in Multiuser MIMO Downlink
— Channel inversion is one of the simplest techniques for multiuser downlink systems with single-antenna users. In this paper, we extend the regularized channel inversion techniq...
Heunchul Lee, Kwangwon Lee, Bertrand M. Hochwald, ...