Geodesic
Recent progress on Frequency Difference Electrical Impedance Tomography
Jin Keun Seo1 ; Bastian Harrach2 ; Eung Je Woo3
1 Department of Computational Science & Engineering, Yonsei University, Korea
2 Institute for Mathematics, Johannes Gutenberg-Universität, 55099 Mainz, Germany
3 College of Electronics and Information, Kyung Hee University, Korea
ESAIM. Proceedings, Tome 26 (2009), pp. 150-161.

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Although time-difference EIT(tdEIT) has shown promise as a medical EIT imaging technique such as monitoring lung function, static EIT has suffered from forward computational model errors including boundary geometry and electrode positions uncertainty combined with the ill-posed and highly nonlinear nature of the corresponding inverse problem. Since 1980s, there has been great endeavor to create forward computational models with the necessary accuracy required for EIT reconstruction, but these efforts were not successful in clinical environment. This is the main reason why we consider frequency-difference EIT (fdEIT) where we take advantage of frequency dependance of biological tissue by injecting currents with at least two different frequencies. In this article, we review recent progress in fdEIT.
DOI : 10.1051/proc/2009011

Jin Keun Seo 1 ; Bastian Harrach 2 ; Eung Je Woo 3

1 Department of Computational Science & Engineering, Yonsei University, Korea
2 Institute for Mathematics, Johannes Gutenberg-Universität, 55099 Mainz, Germany
3 College of Electronics and Information, Kyung Hee University, Korea 
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     title = {Recent progress on {Frequency} {Difference} {Electrical} {Impedance} {Tomography}},
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Jin Keun Seo; Bastian Harrach; Eung Je Woo. Recent progress on Frequency Difference Electrical Impedance Tomography. ESAIM. Proceedings, Tome 26 (2009), pp. 150-161. doi : 10.1051/proc/2009011. http://geodesic.mathdoc.fr/articles/10.1051/proc/2009011/

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