142
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TSP
2016
10 years 3 months ago
2016
—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...
144
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TSP
2016
10 years 3 months ago
2016
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...
143
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TSP
2016
10 years 3 months ago
2016
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...
142
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TSP
2016
10 years 3 months ago
2016
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 ...
141
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TSP
2016
10 years 3 months ago
2016
—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...