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Reconstruction of a piecewise constant conductivity on a polygonal partition via shape optimization in EIT.
- Source :
-
Journal of Computational Physics . Jan2018, Vol. 353, p264-280. 17p. - Publication Year :
- 2018
-
Abstract
- In this paper, we develop a shape optimization-based algorithm for the electrical impedance tomography (EIT) problem of determining a piecewise constant conductivity on a polygonal partition from boundary measurements. The key tool is to use a distributed shape derivative of a suitable cost functional with respect to movements of the partition. Numerical simulations showing the robustness and accuracy of the method are presented for simulated test cases in two dimensions. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00219991
- Volume :
- 353
- Database :
- Academic Search Index
- Journal :
- Journal of Computational Physics
- Publication Type :
- Academic Journal
- Accession number :
- 126252618
- Full Text :
- https://doi.org/10.1016/j.jcp.2017.10.017