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2008.28: Boundary Shape and Electrical Impedance Tomography

2008.28: William R.B. Lionheart (1998) Boundary Shape and Electrical Impedance Tomography. Inverse Problems, 14 (1). pp. 139-147. ISSN 0266-5611

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DOI: 10.1088/0266-5611/14/1/012


In electrical impedance tomography the boundary shape is often inaccurately known. If the boundary shape is wrong (in a three-dimensional problem) there will not generally be an isotropic conductivity which fits the current and voltage data. Both the conductivity and boundary shape can be determined by electrical data together with three spatial measurements. In two dimensions errors in boundary shape could be accounted for by a change in conductivity, but not if the length scale on the boundary is also known.

Item Type:Article
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Uncontrolled Keywords:Boundary shape, electrical impedance tomography, conformal diffeomorphism
Subjects:MSC 2000 > 35 Partial differential equations
MSC 2000 > 53 Differential geometry
MIMS number:2008.28
Deposited By:Prof WRB Lionheart
Deposited On:09 March 2008

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