2292 search results - page 185 / 459 » Hierarchical approximation and localization |
171
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JCSS
2006
15 years 6 months ago
2006
A nearly logarithmic lower bound on the randomized competitive ratio for the metrical task systems problem is presented. This implies a similar lower bound for the extensively stu...
176
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ICCV
2003
IEEE
16 years 8 months ago
2003
IEEE
Within this paper a new framework for Bayesian tracking is presented, which approximates the posterior distribution at multiple resolutions. We propose a tree-based representation...
173
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VISUALIZATION
1999
IEEE
15 years 10 months ago
1999
IEEE
We present a method for the hierarchical representation of vector fields. Our approach is based on iterative refinement using clustering and principal component analysis. The inpu...
187
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CORR
2010
Springer
15 years 6 months ago
2010
Springer
Nonnegative Matrix Factorization (NMF) is the problem of approximating a nonnegative matrix with the product of two low-rank nonnegative matrices and has been shown to be particul...
171
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TVCG
1998
15 years 6 months ago
1998
This paper presents a new approach to rendering triangular algebraic free form surfaces. A hierarchical subdivision of the surface with associated tight bounding volumes provides ...