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» Convergence of the Wake-Sleep Algorithm
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TIP
2010
163views more  TIP 2010»
14 years 11 months ago
Fast Image Recovery Using Variable Splitting and Constrained Optimization
We propose a new fast algorithm for solving one of the standard formulations of image restoration and reconstruction which consists of an unconstrained optimization problem where t...
Manya V. Afonso, José M. Bioucas-Dias, M&aa...
ICASSP
2011
IEEE
14 years 8 months ago
Equalization of multichannel acoustic system using sub-systems for speech dereverberation
An auto-relation aided multiple-input/output inverse filtering algorithm (A-RAM) is proposed for the inverse filtering of room acoustics in speech dereverberation. In A-RAM, we ...
Lei Liao, Andy W. H. Khong
INFOCOM
2011
IEEE
14 years 8 months ago
Optimal power control in Rayleigh-fading heterogeneous networks
—Heterogeneous wireless networks employ varying degrees of network coverage using power control in a multi-tier configuration, where low-power femtocells are used to enhance per...
Chee Wei Tan
JAIR
2011
114views more  JAIR 2011»
14 years 7 months ago
Properties of Bethe Free Energies and Message Passing in Gaussian Models
We address the problem of computing approximate marginals in Gaussian probabilistic models by using mean field and fractional Bethe approximations. We define the Gaussian fracti...
Botond Cseke, Tom Heskes
CORR
2012
Springer
216views Education» more  CORR 2012»
14 years 9 days ago
Fractional Moments on Bandit Problems
Reinforcement learning addresses the dilemma between exploration to find profitable actions and exploitation to act according to the best observations already made. Bandit proble...
Ananda Narayanan B., Balaraman Ravindran