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An image reconstruction algorithm for three-dimensional electrical impedance tomography

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2 Author(s)
Le Hyaric, A. ; Sch. of Comput. & Math. Sci., Oxford Brookes Univ., Headington, UK ; Pidcock, M.K.

Electrical impedance tomography (EIT) has been studied by many authors and in most of this work it has been considered to be a two-dimensional problem. Many groups are now turning their attention to the full three-dimensional case in which the computational demands become much greater. It is interesting to look for ways to reduce this demand and here the authors describe an implementation of an algorithm that is able to achieve this by precomputing many of the quantities needed in the image reconstruction. The algorithm is based on a method called NOSER introduced some years ago, by Cheney et al. (1990). Here, the authors have significantly extended the method by introducing a more realistic electrode model into the analysis. They have given explicit formulae for the quantities involved so that the reader can reproduce their results.

Published in:

Biomedical Engineering, IEEE Transactions on  (Volume:48 ,  Issue: 2 )

Date of Publication:

Feb 2001

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