4047 search results - page 282 / 810 » The Discrete Basis Problem |
177
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SIAMSC
2011
14 years 11 months ago
2011
We develop an algebraic multigrid (AMG) setup scheme based on the bootstrap framework for multiscale scientific computation. Our approach uses a weighted least squares definition...
176
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ICASSP
2011
IEEE
14 years 8 months ago
2011
IEEE
A discretized version of a continuous optimization problem is considered for the case where data is obtained from a set of dispersed sensor nodes and the overall metric is a sum o...
216
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COMPGEOM
2011
ACM
14 years 8 months ago
2011
ACM
Many real-world data sets can be viewed of as noisy samples of special types of metric spaces called metric graphs [16]. Building on the notions of correspondence and GromovHausdo...
122
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CORR
2011
Springer
14 years 8 months ago
2011
Springer
Time plays an essential role in the diffusion of information, influence and disease over networks. In many cases we only observe when a node copies information, makes a decision ...
181
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TMI
2011
14 years 11 months ago
2011
Abstract—Many practical applications require the reconstruction of images from irregularly sampled data. The spline formalism offers an attractive framework for solving this prob...