Iterative Reconstruction Methods for Hybrid Inverse Problems in Impedance Tomography

Publication: Research - peer-reviewJournal article – Annual report year: 2014

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For a general formulation of hybrid inverse problems in impedance tomography the Picard and Newton iterative schemes are adapted and four iterative reconstruction algorithms are developed. The general problem formulation includes several existing hybrid imaging modalities such as current density impedance imaging, magnetic resonance electrical impedance tomography, and ultrasound modulated electrical impedance tomography, and the unified approach to the reconstruction problem encompasses several algorithms suggested in the literature. The four proposed algorithms are implemented numerically in two dimensions and the properties of the algorithms and the implementations are investigated, both theoretically and on simulated data obtained from a numerical phantom. The numerical results show similarities and differences between the proposed algorithms, and they justify that the choice of algorithm should be based on a theoretical analysis of the underlying inverse problem.
Original languageEnglish
Article number96
JournalSensing and Imaging
Volume15
Number of pages27
ISSN1557-2064
DOIs
StatePublished - 2014
CitationsWeb of Science® Times Cited: No match on DOI
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