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NECO
2008
79views more  NECO 2008»
13 years 4 months ago
A Note on Lewicki-Sejnowski Gradient for Learning Overcomplete Representations
Zhaoshui He, Shengli Xie, Liqing Zhang, Andrzej Ci...
JMLR
2012
11 years 7 months ago
Deep Learning Made Easier by Linear Transformations in Perceptrons
We transform the outputs of each hidden neuron in a multi-layer perceptron network to have zero output and zero slope on average, and use separate shortcut connections to model th...
Tapani Raiko, Harri Valpola, Yann LeCun
ICA
2007
Springer
13 years 6 months ago
Bayesian Estimation of Overcomplete Independent Feature Subspaces for Natural Images
In this paper, we propose a Bayesian estimation approach to extend independent subspace analysis (ISA) for an overcomplete representation without imposing the orthogonal constraint...
Libo Ma, Liqing Zhang