930 search results - page 55 / 186 » Adding Gaussian noise to |
163
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ICASSP
2011
IEEE
14 years 9 months ago
2011
IEEE
This work addresses the problem of deciding whether a set of realizations of a vector-valued time series with unknown temporal correlation are spatially correlated or not. Speciï¬...
159
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COGSCI
2004
15 years 5 months ago
2004
Performance in perceptual tasks often improves with practice. This effect is known as `perceptual learning,' and it has been the source of a great deal of interest and debate...
125
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INFOCOM
2003
IEEE
15 years 11 months ago
2003
IEEE
Abstract— We study the impact of interferences on the connectivity of large-scale ad-hoc networks, using percolation theory. We assume that a bi-directional connection can be set...
150
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TIP
1998
15 years 5 months ago
1998
This paper examines the relationship between wavelet-based image processing algorithms and variational problems. Algorithms are derived as exact or approximate minimizers of varia...
187
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ICASSP
2009
IEEE
16 years 18 days ago
2009
IEEE
Abstract –In this paper, a variational message passing framework is proposed for Markov random fields, which is computationally more efficient and admits wider applicability comp...