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Electrical impedance tomography. Solving anisotropic mixed boundary value problems by means of the boundary element
1Department of Medical Physics and Biophysics, University of Nijmegen, The Netherlands.
Abstract:
In a previous study we have shown that an anisotropic volume conduction problem involving the Neumann condition at the outer surface of a volume conductor can be solved by means of the boundary element method by applying an appropriate coordinate transformation (Zhou and van Oosterom 1991). In this paper we will show that this approach can also be applied to solve the anisotropic mixed boundary value condition problems studied in electrical impedance tomography (EIT). Results are presented of numerical computations, which were carried out for a volume conductor of irregular (torso) shape.