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TNN
2010
173views Management» more  TNN 2010»
14 years 8 months ago
Multiclass relevance vector machines: sparsity and accuracy
Abstract--In this paper we investigate the sparsity and recognition capabilities of two approximate Bayesian classification algorithms, the multi-class multi-kernel Relevance Vecto...
Ioannis Psorakis, Theodoros Damoulas, Mark A. Giro...
ICASSP
2011
IEEE
14 years 5 months ago
Optimal wireless networks based on local channel state information
We consider distributed algorithms to optimize random access multihop wireless networks in the presence of fading. Since the associated optimization problem is neither convex nor ...
Yichuan Hu, Alejandro Ribeiro
ICASSP
2011
IEEE
14 years 5 months ago
Dictionary learning of convolved signals
Assuming that a set of source signals is sparsely representable in a given dictionary, we show how their sparse recovery fails whenever we can only measure a convolved observation...
Daniele Barchiesi, Mark D. Plumbley
ICASSP
2011
IEEE
14 years 5 months ago
On gradient type adaptive filters with non-symmetric matrix step-sizes
—In this contribution we provide a thorough stability analysis of gradient type algorithms with non-symmetric matrix step-sizes. We hereby extend existing analyses for symmetric ...
Markus Rupp
ICALP
2011
Springer
14 years 5 months ago
Restoring Pure Equilibria to Weighted Congestion Games
Abstract. Congestion games model several interesting applications, including routing and network formation games, and also possess attractive theoretical properties, including the ...
Konstantinos Kollias, Tim Roughgarden