A globally accelerated numerical method for optical tomography with continuous wave source

Details A globally accelerated numerical method for optical tomography with continuous wave source A globally accelerated numerical method for optical tomography with continuous wave source

2008-09-23

arxiv.org/abs/0809.3910v1

Mathematics

Numerical Analysis

31 pages, 7 figures

Scientific paper

A new numerical method for an inverse problem for an elliptic equation with unknown potential is proposed. In this problem the point source is running along a straight line and the source-dependent Dirichlet boundary condition is measured as the data for the inverse problem. A rigorous convergence analysis shows that this method converges globally, provided that the so-called tail function is approximated well. This approximation is verified in numerical experiments, so as the global convergence. Applications to medical imaging, imaging of targets on battlefields and to electrical impedance tomography are discussed.

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