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KDD
2002
ACM
293views Data Mining» more  KDD 2002»
14 years 10 months ago
Automatic Categorization of Web Pages and User Clustering with Mixtures of Hidden Markov Models
We propose mixtures of hidden Markov models for modelling clickstreams of web surfers. Hence, the page categorization is learned from the data without the need for a (possibly cumb...
Alexander Ypma, Tom Heskes
PR
2002
108views more  PR 2002»
13 years 9 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,...
ICC
2008
IEEE
119views Communications» more  ICC 2008»
14 years 4 months ago
Wavelet-Based SNR Analysis in Building Satellite Terminal Fault Identification System
—With the rapid expansion of satellite communication, an increasing number of unattended ground terminals are spreading out to serve local customers. And there is a great demand ...
Liang Xu, Changcheng Huang
GLOBECOM
2006
IEEE
14 years 3 months ago
A Field Study on Terrestrial and Satellite Location Sources for Urban Cellular Networks
— This work presents a statistical field study of the availability of time sources for location in a true wireless network. Terrestrial (base stations) and satellite (GPS) source...
Israel Martín-Escalona, Francisco Barcel&oa...
ICIAP
2007
ACM
14 years 10 months ago
A Method of Clustering Combination Applied to Satellite Image Analysis
An algorithm for combining results of different clusterings is presented in this paper, the objective of which is to find groups of patterns which are common to all clusterings. T...
Ivan O. Kyrgyzov, Henri Maître, Marine Campe...