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Generalization and Properties of the Neural Response 

Bouvrie, Jake; Poggio, Tomaso; Rosasco, Lorenzo; Smale, Steve; Wibisono, Andre (2010-11-19)
Hierarchical learning algorithms have enjoyed tremendous growth in recent years, with many new algorithms being proposed and applied to a wide range of applications. However, despite the apparent success of hierarchical ...
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The computational magic of the ventral stream: sketch of a theory (and why some deep architectures work). 

Poggio, Tomaso; Mutch, Jim; Leibo, Joel; Rosasco, Lorenzo; Tacchetti, Andrea (2012-12-29)
This paper explores the theoretical consequences of a simple assumption: the computational goal of the feedforward path in the ventral stream -- from V1, V2, V4 and to IT -- is to discount image transformations, after ...
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Learning and Invariance in a Family of Hierarchical Kernels 

Wibisono, Andre; Bouvrie, Jake; Rosasco, Lorenzo; Poggio, Tomaso (2010-07-30)
Understanding invariance and discrimination properties of hierarchical models is arguably the key to understanding how and why such models, of which the the mammalian visual system is one instance, can lead to good ...
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Nonparametric Sparsity and Regularization 

Mosci, Sofia; Rosasco, Lorenzo; Santoro, Matteo; Verri, Alessandro; Villa, Silvia (2011-09-26)
In this work we are interested in the problems of supervised learning and variable selection when the input-output dependence is described by a nonlinear function depending on a few variables. Our goal is to consider a ...
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Learning Generic Invariances in Object Recognition: Translation and Scale 

Leibo, Joel Z; Mutch, Jim; Rosasco, Lorenzo; Ullman, Shimon; Poggio, Tomaso (2010-12-30)
Invariance to various transformations is key to object recognition but existing definitions of invariance are somewhat confusing while discussions of invariance are often confused. In this report, we provide an operational ...
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Neurons That Confuse Mirror-Symmetric Object Views 

Mutch, Jim; Leibo, Joel Z; Smale, Steve; Rosasco, Lorenzo; Poggio, Tomaso (2010-12-31)
Neurons in inferotemporal cortex that respond similarly to many pairs of mirror-symmetric images -- for example, 45 degree and -45 degree views of the same face -- have often been reported. The phenomenon seemed to be an ...
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Sufficient Conditions for Uniform Stability of Regularization Algorithms 

Poggio, Tomaso; Rosasco, Lorenzo; Wibisono, Andre (2009-12-01)
In this paper, we study the stability and generalization properties of penalized empirical-risk minimization algorithms. We propose a set of properties of the penalty term that is sufficient to ensure uniform ?-stability: ...
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Mathematics of the Neural Response 

Caponnetto, Andrea; Poggio, Tomaso; Bouvrie, Jake; Rosasco, Lorenzo; Smale, Steve (2008-11-26)
We propose a natural image representation, the neural response, motivated by the neuroscience of the visual cortex. The inner product defined by the neural response leads to a similarity measure between functions which we ...
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Elastic-Net Regularization in Learning Theory 

De Mol, Christine; Rosasco, Lorenzo; De Vito, Ernesto (2008-07-24)
Within the framework of statistical learning theory we analyze in detail the so-called elastic-net regularization scheme proposed by Zou and Hastie ["Regularization and variable selection via the elastic net" J. R. Stat. ...
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A Note on Perturbation Results for Learning Empirical Operators 

De Vito, Ernesto; Belkin, Mikhail; Rosasco, Lorenzo (2008-08-19)
A large number of learning algorithms, for example, spectral clustering, kernel Principal Components Analysis and many manifold methods are based on estimating eigenvalues and eigenfunctions of operators defined by a ...
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Rosasco, Lorenzo (20)
Poggio, Tomaso (10)Bouvrie, Jake (4)Mutch, Jim (4)Smale, Steve (4)De Vito, Ernesto (3)Tacchetti, Andrea (3)Verri, Alessandro (3)Wibisono, Andre (3)Leibo, Joel Z (2)... View MoreSubjectmachine learning (4)artificial intelligence (3)computation (3)computational learning (3)kernel methods (3)computer vision (2)learning (2)learning theory (2)neuroscience (2)Adaptive Model Selection (1)... View MoreDate Issued2011 (5)2008 (4)2010 (4)2009 (3)2012 (3)2013 (1)Has File(s)Yes (20)

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