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» Estimation of non-stationary Markov Chain transition models
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PR
2002
108views more  PR 2002»
14 years 11 months ago
Hyperparameter estimation for satellite image restoration using a MCMC maximum-likelihood method
The satellite image deconvolution problem is ill-posed and must be regularized. Herein, we use an edge-preserving regularization model using a ' function, involving two hyper...
André Jalobeanu, Laure Blanc-Féraud,...
NECO
2002
145views more  NECO 2002»
14 years 11 months ago
Bayesian Model Assessment and Comparison Using Cross-Validation Predictive Densities
In this work, we discuss practical methods for the assessment, comparison, and selection of complex hierarchical Bayesian models. A natural way to assess the goodness of the model...
Aki Vehtari, Jouko Lampinen
ENTCS
2008
91views more  ENTCS 2008»
14 years 12 months ago
Expressing Priorities and External Probabilities in Process Algebra via Mixed Open/Closed Systems
Defining operational semantics for a process algebra is often based either on labeled transition systems that account for interaction with a context or on the so-called reduction ...
Mario Bravetti
ICW
2005
IEEE
133views Communications» more  ICW 2005»
15 years 5 months ago
Estimation of Linear Stochastic Systems over a Queueing Network
— In this paper, we consider the standard state estimation problem over a congested packet-based network. The network is modeled as a queue with a single server processing the pa...
Michael Epstein, Abhishek Tiwari, Ling Shi, Richar...
ICC
2007
IEEE
117views Communications» more  ICC 2007»
15 years 6 months ago
Performance Modeling of Multi-Rate HDR and its Effect on TCP Throughput
—An interesting feature of the 3G cellular networks is their ability to support multiple data rates. Though the performance of TCP over wireless networks has been well studied, t...
Wenjing Wang, Shamik Sengupta, Mainak Chatterjee