441 search results - page 23 / 89 » Sparse Recovery Using Sparse Random Matrices |
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ICA
2010
Springer
14 years 11 months ago
2010
Springer
Two-photon calcium imaging is an emerging experimental technique that enables the study of information processing within neural circuits in vivo. While the spatial resolution of th...
CDC
2010
IEEE
14 years 4 months ago
2010
IEEE
In this paper, we collect and discuss some of the recent theoretical results on channel identification using a random probe sequence. These results are part of the body of work kno...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
—We present an alternative analysis of weighted 1 minimization for sparse signals with a nonuniform sparsity model, and extend our results to nuclear norm minimization for matric...
APPROX
2004
Springer
15 years 3 months ago
2004
Springer
ABSTRACT: Let G(n, c/n) and Gr(n) be an n-node sparse random graph and a sparse random rregular graph, respectively, and let I(n, r) and I(n, c) be the sizes of the largest indepen...
SDM
2007
SIAM
14 years 11 months ago
2007
SIAM
We propose the use of random projections with a sparse matrix to maintain a sketch of a collection of high-dimensional data-streams that are updated asynchronously. This sketch al...