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AI
2008
Springer
14 years 10 months ago
Semiring induced valuation algebras: Exact and approximate local computation algorithms
Local computation in join trees or acyclic hypertrees has been shown to be linked to a particular algebraic structure, called valuation algebra. There are many models of this alge...
Jürg Kohlas, Nic Wilson
CORR
2006
Springer
110views Education» more  CORR 2006»
14 years 9 months ago
Multiple Access Channels with State Information Known at Some Encoders
We consider a multiple access channel (MAC) with channel state information (CSI) non-causally known at some encoders. For simplicity of exposition, we focus on a two-encoder model...
Shivaprasad Kotagiri, J. Nicholas Laneman
CORR
2007
Springer
156views Education» more  CORR 2007»
14 years 9 months ago
Analysis of a Mixed Strategy for Multiple Relay Networks
Abstract— Infrastructure based wireless communications systems as well as ad hoc networks experience a growing importance in present-day telecommunications. An increased density ...
Peter Rost, Gerhard Fettweis
SIGPRO
2008
96views more  SIGPRO 2008»
14 years 9 months ago
A general scheme for velocity tomography
With the rapid development of X-ray source and detector technologies, multi-source scanners become a hot topic in the computed tomography (CT) field, which can acquire several pro...
Hengyong Yu, Ge Wang
PAMI
2000
133views more  PAMI 2000»
14 years 9 months ago
Mode-Finding for Mixtures of Gaussian Distributions
I consider the problem of finding all the modes of a mixture of multivariate Gaussian distributions, which has applications in clustering and regression. I derive exact formulas f...
Miguel Á. Carreira-Perpiñán