Matematiikan ja systeemianalyysin laitos


Research reports by Sampsa Pursiainen

Here are the reports authored by Sampsa Pursiainen. See the reports of all authors.

Helsinki University of Technology Institute of Mathematics Research Reports A

Sampsa Pursiainen
Computational methods in electromagnetic biomedical inverse problems   [pdf][ps]
Received 2008-11-24 * inverse problems, electromagnetics, biomedical imaging, electroencephalography/magnetoencephalography (EEG/MEG), electrical impedance tomoraphy (EIT), limited-angle computerized tomography (limited-angle CT), regularization, Bayesian methodology, Markov chain Monte Carlo (MCMC), factorization method of Kirsch, forward modeling and simulation, h-FEM, p-FEM * AMS 92C55, 78A70, 15A29, 35R30, 65R32 * 50 pages
Sampsa Pursiainen
A coarse-to-fine strategy for maximum a posteriori estimation in limited-angle computerized tomography   [pdf][ps] abstract: [pdf][ps]
Received 2005-09-14 * computerized-tomography, limited-angle tomography, Bayesian statistics, Gaussian densities, diagonalization, wavelet representation, preconditioning, Conjugate Gradient method * AMS 65N21, 65C50, 65F22, 65F10, 65T60 * 22 pages
Sampsa Pursiainen
Bayesian approach to detection of anomalies in electrical impedance tomography   [pdf][ps] abstract: [pdf][ps]
Received 2005-04-06 * electrical impedance tomography, Bayesian statistics, Markov chain Monte Carlo, linear algebra, anomalous conductivities * AMS 65N21, 65C05, 65F05 * 320 pages

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