3341 search results - page 498 / 669 » On Bounded Queries and Approximation |
168
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SIAMNUM
2010
15 years 1 months ago
2010
Abstract. A variational problem characterizing the density estimator defined by the maximum a posteriori method with Gaussian process priors is derived. It is shown that this probl...
225
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TIT
2010
15 years 1 months ago
2010
Orthogonal matching pursuit (OMP) is the canonical greedy algorithm for sparse approximation. In this paper we demonstrate that the restricted isometry property (RIP) can be used f...
165
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
—This paper deals with optimized training sequences to estimate multiple-input multiple-output orthogonal frequencydivision multiplexing (MIMO-OFDM) channel states in the presenc...
175
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
In this paper, we analyze a general multiple-microphone and singleloudspeaker system, where an adaptive algorithm is used to cancel acoustic feedback/echo and a beamformer process...
182
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IJCV
2012
13 years 9 months ago
2012
Abstract Computer vision is full of problems elegantly expressed in terms of energy minimization. We characterize a class of energies with hierarchical costs and propose a novel hi...