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SIAMIS
2010
92views more  SIAMIS 2010»
15 years 5 months ago
Reconstruction of Thin Tubular Inclusions in Three-Dimensional Domains Using Electrical Impedance Tomography
We consider the inverse problem of reconstructing thin tubular inclusions inside some three-dimensional body from measurements of electrostatic currents and potentials on its bound...
Roland Griesmaier
SIAMSC
2010
194views more  SIAMSC 2010»
15 years 5 months ago
A Multilevel Algorithm for Simultaneously Denoising and Deblurring Images
In this paper, we develop a fast multilevel algorithm for simultaneously denoising and deblurring images under the total variation regularization. Although much effort has been de...
Raymond H. Chan, Ke Chen 0002
SIAMSC
2010
114views more  SIAMSC 2010»
15 years 5 months ago
Smoothed Aggregation Multigrid for Markov Chains
Abstract. A smoothed aggregation multigrid method is presented for the numerical calculation of the stationary probability vector of an irreducible sparse Markov chain. It is shown...
Hans De Sterck, Thomas A. Manteuffel, Stephen F. M...
SIGPRO
2010
99views more  SIGPRO 2010»
15 years 5 months ago
Oversampled phase tracking in digital communications with large excess bandwidth
This paper deals with the on-line carrier phase estimation in a digital receiver. We consider a Brownian phase evolution in a Data Aided scenario. The proposed study uses an overs...
Jordi Vilà-Valls, Jean-Marc Brossier, Laure...
TCS
2010
15 years 5 months ago
Active learning in heteroscedastic noise
We consider the problem of actively learning the mean values of distributions associated with a finite number of options. The decision maker can select which option to generate t...
András Antos, Varun Grover, Csaba Szepesv&a...