1391 search results - page 256 / 279 » Optimally Sparse Frames |
TMC
2008
14 years 11 months ago
2008
We consider the problem of finding "backbones" in multihop wireless networks. The backbone provides end-toend connectivity, allowing non-backbone nodes to save energy sin...
119
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TIP
1998
14 years 11 months ago
1998
Abstract—We propose a method for the reconstruction of signals and images observed partially through a linear operator with a large support (e.g., a Fourier transform on a sparse...
ASPLOS
2010
ACM
14 years 10 months ago
2010
ACM
Semantic indexing is a popular technique used to access and organize large amounts of unstructured text data. We describe an optimized implementation of semantic indexing and docu...
103
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MOR
2010
14 years 10 months ago
2010
We study the convergence properties of an alternating proximal minimization algorithm for nonconvex structured functions of the type: L(x, y) = f(x)+Q(x, y)+g(y), where f : Rn → ...
106
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PE
2010
Springer
14 years 10 months ago
2010
Springer
Solution of large sparse linear fixed-point problems lies at the heart of many important performance analysis calculations. These calculations include steady-state, transient and...