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TSP
2016
64views more  TSP 2016»
10 years 13 days ago
Analysis SimCO Algorithms for Sparse Analysis Model Based Dictionary Learning
—In this paper, we consider the dictionary learning problem for the sparse analysis model. A novel algorithm is proposed by adapting the simultaneous codeword optimization (SimCO...
Jing Dong, Wenwu Wang, Wei Dai, Mark D. Plumbley, ...
TSP
2016
56views more  TSP 2016»
10 years 13 days ago
Sampling Sparse Signals on the Sphere: Algorithms and Applications
Abstract—We propose a sampling scheme that can perfectly reconstruct a collection of spikes on the sphere from samples of their lowpass-filtered observations. Central to our alg...
Ivan Dokmanic, Yue M. Lu
TSP
2016
56views more  TSP 2016»
10 years 13 days ago
On the Ergodic Secret-Key Agreement Over Spatially Correlated Multiple-Antenna Channels With Public Discussion
We consider secret-key agreement with public discussion over multiple-input multiple-output (MIMO) Rayleigh fast-fading channels under correlated environment. We assume that trans...
Marwen Zorgui, Zouheir Rezki, Basel Alomair, Eduar...
TSP
2016
45views more  TSP 2016»
10 years 13 days ago
Consensus Algorithms With State-Dependent Weights
We provide an analysis of a consensus-type algorithm with weights dependent only on the received data. Differently from previous approaches that require a global knowledge of the ...
Ondrej Sluciak, Markus Rupp
TSP
2016
42views more  TSP 2016»
10 years 13 days ago
A Multiscale Pyramid Transform for Graph Signals
—Multiscale transforms designed to process analog and discrete-time signals and images cannot be directly applied to analyze high-dimensional data residing on the vertices of a w...
David I. Shuman, Mohammad Javad Faraji, Pierre Van...