3708 search results - page 248 / 742 » Approximating Betweenness Centrality |
196
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
Exploiting prior knowledge, we use Bayesian estimation to localize a source heard by a fixed sensor network. The method has two main aspects: Firstly, the probability density fun...
265
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WIOPT
2011
IEEE
14 years 10 months ago
2011
IEEE
—This paper studies the performance of ad hoc networks with local FDMA scheduling using stochastic point processes. In such networks, the Poisson assumption is not justified due...
211
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CORR
2011
Springer
14 years 10 months ago
2011
Springer
—We consider a multiple-input multiple-output (MIMO) multiple access channel (MAC), where the channel between each transmitter and the receiver is modeled by the doubly-scatterin...
195
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PAMI
2012
13 years 9 months ago
2012
—We introduce a simple image descriptor referred to as the image signature. We show, within the theoretical framework of sparse signal mixing, that this quantity spatially approx...
174
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ICIP
2001
IEEE
16 years 8 months ago
2001
IEEE
We describe approximate digital implementations of two new mathematical transforms, namely, the ridgelet transform [3] and the curvelet transform [7, 6]. Our implementations offer...