416 search results - page 23 / 84 » Processing Textbook-Style Matrices |
ISCIS
2003
Springer
14 years 3 months ago
2003
Springer
Abstract. We show a two-phase approach for minimizing various communication-cost metrics in fine-grain partitioning of sparse matrices for parallel processing. In the first phase...
ICASSP
2009
IEEE
14 years 4 months ago
2009
IEEE
We address covariance estimation under mean-squared loss in the Gaussian setting. Specifically, we consider shrinkage methods which are suitable for high dimensional problems wit...
PPOPP
2003
ACM
14 years 3 months ago
2003
ACM
Quadtree matrices using Morton-order storage provide natural blocking on every level of a memory hierarchy. Writing the natural recursive algorithms to take advantage of this bloc...
ACIVS
2006
Springer
14 years 3 months ago
2006
Springer
Abstract. For nonseparable bidimensional wavelet transforms, the choice of the dilation matrix is all–important, since it governs the downsampling and upsampling steps, determine...
ICA
2004
Springer
14 years 3 months ago
2004
Springer
We consider the Blind Source Separation problem of linear mixtures with singular matrices and show that it can be solved if the sources are sufficiently sparse. More generally, we ...