534 search results - page 22 / 107 » Data Separation by Sparse Representations |
196
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ICDE
2006
IEEE
16 years 1 months ago
2006
IEEE
"Sparse" data, in which relations have many attributes that are null for most tuples, presents a challenge for relational database management systems. If one uses the no...
CVPR
2010
IEEE
15 years 8 months ago
2010
IEEE
Building robust low and mid-level image representations, beyond edge primitives, is a long-standing goal in vision. Many existing feature detectors spatially pool edge information...
ICRA
2005
IEEE
15 years 6 months ago
2005
IEEE
— This paper presents the novel insight that the SLAM information matrix is exactly sparse in a delayedstate framework. Such a framework is used in view-based representations of ...
112
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SIGMOD
1999
ACM
15 years 4 months ago
1999
ACM
Computing multidimensional aggregates in high dimensions is a performance bottleneck for many OLAP applications. Obtaining the exact answer to an aggregation query can be prohibit...
117
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LCPC
1998
Springer
15 years 4 months ago
1998
Springer
There is a class of sparse matrix computations, such as direct solvers of systems of linear equations, that change the fill-in (nonzero entries) of the coefficient matrix, and invo...