Inverse problems in imaging systems and the general Bayesian inversion frawework

Details Inverse problems in imaging systems and the general Bayesian inversion frawework Inverse problems in imaging systems and the general Bayesian inversion frawework

2007-05-18

arxiv.org/abs/0705.2720v1

Physics

Data Analysis, Statistics and Probability

34 page, 16 figures, to appear in AIEEE

Scientific paper

In this paper, first a great number of inverse problems which arise in instrumentation, in computer imaging systems and in computer vision are presented. Then a common general forward modeling for them is given and the corresponding inversion problem is presented. Then, after showing the inadequacy of the classical analytical and least square methods for these ill posed inverse problems, a Bayesian estimation framework is presented which can handle, in a coherent way, all these problems. One of the main steps, in Bayesian inversion framework is the prior modeling of the unknowns. For this reason, a great number of such models and in particular the compound hidden Markov models are presented. Then, the main computational tools of the Bayesian estimation are briefly presented. Finally, some particular cases are studied in detail and new results are presented.

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