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SIGPRO
2011
209views Hardware» more  SIGPRO 2011»
15 years 1 months ago
Surveying and comparing simultaneous sparse approximation (or group-lasso) algorithms
In this paper, we survey and compare different algorithms that, given an overcomplete dictionary of elementary functions, solve the problem of simultaneous sparse signal approxim...
A. Rakotomamonjy
TCBB
2011
15 years 1 months ago
Semi-Markov Models for Brownian Dynamics Permeation in Biological Ion Channels
—Constructing accurate computational models that explain how ions permeate through a biological ion channel is an important problem in biophysics and drug design. Brownian dynami...
Vikram Krishnamurthy, Kai Yiu Luk
TCS
2011
15 years 1 months ago
Algebraic aspects of some Riordan arrays related to binary words avoiding a pattern
We consider some Riordan arrays related to binary words avoiding a pattern p, which can be easily studied by means of an A-matrix rather than their A-sequence. Both concepts allow...
Donatella Merlini, Renzo Sprugnoli
MMAS
2010
Springer
15 years 1 months ago
Source Localization in Random Acoustic Waveguides
Mode coupling due to scattering by weak random inhomogeneities in waveguides leads to loss of coherence of wave fields at long distances of propagation. This in turn leads to serio...
Liliana Borcea, Leila Issa, Chrysoula Tsogka
TIT
2010
154views Education» more  TIT 2010»
15 years 1 months ago
A universal scheme for Wyner-Ziv coding of discrete sources
We consider the Wyner-Ziv (WZ) problem of lossy compression where the decompressor observes a noisy version of the source, whose statistics are unknown. A new family of WZ coding a...
Shirin Jalali, Sergio Verdú, Tsachy Weissma...