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CORR
2007
Springer
183views Education» more  CORR 2007»
15 years 6 months ago
Compressed Sensing and Redundant Dictionaries
This article extends the concept of compressed sensing to signals that are not sparse in an orthonormal basis but rather in a redundant dictionary. It is shown that a matrix, whic...
Holger Rauhut, Karin Schnass, Pierre Vandergheynst
CORR
2007
Springer
130views Education» more  CORR 2007»
15 years 6 months ago
Characterization of Search Engine Caches
Search engines provide cached copies of indexed content so users will have something to “click on” if the remote resource is temporarily or permanently unavailable. Depending ...
Frank McCown, Michael L. Nelson
CORR
2007
Springer
123views Education» more  CORR 2007»
15 years 6 months ago
Security in Wireless Sensor Networks: Issues and Challenges
 Wireless Sensor Network (WSN) is an emerging technology that shows great promise for various futuristic applications both for mass public and military. The sensing technology c...
Al-Sakib Khan Pathan, Hyung-Woo Lee, Choong Seon H...
CSDA
2007
134views more  CSDA 2007»
15 years 6 months ago
Variational approximations in Bayesian model selection for finite mixture distributions
Variational methods for model comparison have become popular in the neural computing/machine learning literature. In this paper we explore their application to the Bayesian analys...
Clare A. McGrory, D. M. Titterington
CSDA
2007
81views more  CSDA 2007»
15 years 6 months ago
A stochastic EM algorithm for a semiparametric mixture model
Recently, there has been a considerable interest in finite mixture models with semi-/non-parametric component distributions. Identifiability of such model parameters is generall...
Laurent Bordes, Didier Chauveau, Pierre Vandekerkh...