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2D EIT for biomedical imaging: Design, measurement, simulation, and image reconstruction
Author(s) -
Lim Kim Hwa,
Shi Guining,
McCarter Kyle,
George Rhett,
Ybarra Gary,
Joines William T.,
Wartenberg Scott,
Liu Qing Huo
Publication year - 2007
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.22938
Subject(s) - electrical impedance tomography , solver , iterative reconstruction , finite element method , inverse problem , inverse , computer science , microwave imaging , algorithm , microwave , tomography , optics , physics , computer vision , mathematics , mathematical analysis , telecommunications , geometry , thermodynamics , programming language
A 2D electrical impedance tomography (EIT) system has been developed at Duke University as an experimental system to test the forward and inverse algorithms for EIT application. The forward model is based on the 2nd‐order finite element method (FEM), while the image reconstruction is based on the distorted Born iterative method (DBIM). The major contributions of this work are the application of the higher‐order FEM as a forward solver, and the DBIM as an inverse solver to the integrated EIT system. The forward model has been validated with the measured data to within 0.5% accuracy. Excellent images have been reconstructed with these collected EIT data sets. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 2989–2998, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22938