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» Approximate algorithms for neural-Bayesian approaches
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TMI
2010
160views more  TMI 2010»
14 years 8 months ago
Artifact Trapping During Time Reversal Photoacoustic Imaging for Acoustically Heterogeneous Media
—Several different reconstruction algorithms have been proposed for photoacoustic tomography, most of which presuppose that the acoustic properties of the medium are constant and...
Benjamin T. Cox, Bradley E. Treeby
MOBIHOC
2007
ACM
15 years 9 months ago
Scalable routing in delay tolerant networks
The non-existence of an end-to-end path poses a challenge in adapting the traditional routing algorithms to delay tolerant networks (DTNs). Previous works include centralized rout...
Cong Liu, Jie Wu
SIGMOD
2001
ACM
136views Database» more  SIGMOD 2001»
15 years 10 months ago
Selectivity Estimation using Probabilistic Models
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...
Lise Getoor, Benjamin Taskar, Daphne Koller
PODS
2000
ACM
179views Database» more  PODS 2000»
15 years 2 months ago
Selectivity Estimation for Boolean Queries
In a variety of applications ranging from optimizing queries on alphanumeric attributes to providing approximate counts of documents containing several query terms, there is an in...
Zhiyuan Chen, Flip Korn, Nick Koudas, S. Muthukris...
CVPR
2003
IEEE
15 years 12 months ago
Constrained Subspace Modelling
When performing subspace modelling of data using Principal Component Analysis (PCA) it may be desirable to constrain certain directions to be more meaningful in the context of the...
Jaco Vermaak, Patrick Pérez