Sensing and Imaging

, 15:96 | Cite as

Iterative Reconstruction Methods for Hybrid Inverse Problems in Impedance Tomography

Original Paper
Part of the following topical collections:
  1. Topical Collection: Hybrid Imaging and Image Fusion

Abstract

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.

Keywords

Hybrid inverse problems Iterative reconstruction methods Impedance tomography Current density impedance imaging Magnetic resonance electrical impedance tomography Ultrasound modulated electrical impedance tomography 

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Department of Applied Mathematics and Computer ScienceTechnical University of Denmark2800 Kgs. LyngbyDenmark

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