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- W2986655050 abstract "Working within the class of piecewise constant conductivities, the inverse problem of electrical impedance tomography can be recast as a shape optimization problem where the discontinuity interface is the unknown. Using Groger's $W^{1}_p$-estimates for mixed boundary value problems, the averaged adjoint method is extended to the case of Banach spaces, which allows to compute the derivative of shape functionals involving point evaluations. We compute the corresponding distributed expression of the shape derivative and show that it may contain Dirac measures in addition to the usual domain integrals. We use this distributed shape derivative to devise a numerical algorithm, show various numerical results supporting the method, and based on these results we discuss the influence of the point measurements patterns on the quality of the reconstructions." @default.
- W2986655050 created "2019-11-22" @default.
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- W2986655050 date "2019-11-14" @default.
- W2986655050 modified "2023-10-18" @default.
- W2986655050 title "A shape optimization approach for electrical impedance tomography with point measurements" @default.
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