HYBRID TECHNIQUES TO SOLVE OPTIMIZATION PROBLEMS IN EIT
Tomasz Rymarczyk
tomasz.rymarczyk@netrix.com.plNetrix S.A., Research and Development Center (Poland)
Paweł Tchórzewski
Netrix S.A., Research and Development Center (Poland)
Abstract
This paper presents the hybrid algorithm for identification the unknown shape of an interface to solve the inverse problem in electrical impedance tomography. The conductivity values in different regions are determined by the finite element method. The numerical algorithm is a combination of the level set method, Gauss-Newton method and the finite element method. The representation of the shape of the boundary and its evolution during an iterative reconstruction process is achieved by the level set function. The cost of the numerical algorithm is enough effective. These algorithms are a relatively new procedure to overcome this problem.
Keywords:
Inverse Problem, Level Set Method, Electrical Impedance TomographyReferences
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Authors
Tomasz Rymarczyktomasz.rymarczyk@netrix.com.pl
Netrix S.A., Research and Development Center Poland
Authors
Paweł TchórzewskiNetrix S.A., Research and Development Center Poland
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