Time- and frequency-difference imaging using KHU Mark1 EIT system

Sang Min Kim, Tong In Oh, Eung Je Woo, Sung Whan Kim, Jin Keun Seo

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

We describe results of time- and frequency-difference imaging experiments using a 16-channel KHU Mark1 EIT system operating in the frequency range of 10 Hz to 500 kHz. As imaging objects, we used a saline tank including three objects of banana, cucumber, and Perspex. Reconstructed images showed frequency-dependent conductivity and permittivity changes of the objects. Following the tank experiment, we performed a difference imaging experiment of a canine thorax during controlled ventilation. For a human subject, we tried difference imaging of the thorax during normal ventilation and the abdomen after intake of conductive liquid. Nothing that both σ and ε affect real and imaginary parts of measured boundary voltages, we suggest future works of new methods to reconstruct and interpret reconstructed difference images of σ and ωε.

Original languageEnglish
Title of host publication13th International Conference on Electrical Bioimpedance and the 8th Conference on Electrical Impedance Tomography 2007, ICEBI 2007
Pages340-343
Number of pages4
Publication statusPublished - 2007 Dec 1
Event13th International Conference on Electrical Bioimpedance and the 8th Conference on Electrical Impedance Tomography 2007, ICEBI 2007 - Graz, Austria
Duration: 2007 Aug 292007 Sep 2

Publication series

NameIFMBE Proceedings
Volume17 IFMBE
ISSN (Print)1680-0737

Other

Other13th International Conference on Electrical Bioimpedance and the 8th Conference on Electrical Impedance Tomography 2007, ICEBI 2007
CountryAustria
CityGraz
Period07/8/2907/9/2

Fingerprint

Imaging techniques
Ventilation
Experiments
Polymethyl Methacrylate
Permittivity
Liquids
Electric potential

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Biomedical Engineering

Cite this

Kim, S. M., Oh, T. I., Woo, E. J., Kim, S. W., & Seo, J. K. (2007). Time- and frequency-difference imaging using KHU Mark1 EIT system. In 13th International Conference on Electrical Bioimpedance and the 8th Conference on Electrical Impedance Tomography 2007, ICEBI 2007 (pp. 340-343). (IFMBE Proceedings; Vol. 17 IFMBE).
Kim, Sang Min ; Oh, Tong In ; Woo, Eung Je ; Kim, Sung Whan ; Seo, Jin Keun. / Time- and frequency-difference imaging using KHU Mark1 EIT system. 13th International Conference on Electrical Bioimpedance and the 8th Conference on Electrical Impedance Tomography 2007, ICEBI 2007. 2007. pp. 340-343 (IFMBE Proceedings).
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abstract = "We describe results of time- and frequency-difference imaging experiments using a 16-channel KHU Mark1 EIT system operating in the frequency range of 10 Hz to 500 kHz. As imaging objects, we used a saline tank including three objects of banana, cucumber, and Perspex. Reconstructed images showed frequency-dependent conductivity and permittivity changes of the objects. Following the tank experiment, we performed a difference imaging experiment of a canine thorax during controlled ventilation. For a human subject, we tried difference imaging of the thorax during normal ventilation and the abdomen after intake of conductive liquid. Nothing that both σ and ε affect real and imaginary parts of measured boundary voltages, we suggest future works of new methods to reconstruct and interpret reconstructed difference images of σ and ωε.",
author = "Kim, {Sang Min} and Oh, {Tong In} and Woo, {Eung Je} and Kim, {Sung Whan} and Seo, {Jin Keun}",
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Kim, SM, Oh, TI, Woo, EJ, Kim, SW & Seo, JK 2007, Time- and frequency-difference imaging using KHU Mark1 EIT system. in 13th International Conference on Electrical Bioimpedance and the 8th Conference on Electrical Impedance Tomography 2007, ICEBI 2007. IFMBE Proceedings, vol. 17 IFMBE, pp. 340-343, 13th International Conference on Electrical Bioimpedance and the 8th Conference on Electrical Impedance Tomography 2007, ICEBI 2007, Graz, Austria, 07/8/29.

Time- and frequency-difference imaging using KHU Mark1 EIT system. / Kim, Sang Min; Oh, Tong In; Woo, Eung Je; Kim, Sung Whan; Seo, Jin Keun.

13th International Conference on Electrical Bioimpedance and the 8th Conference on Electrical Impedance Tomography 2007, ICEBI 2007. 2007. p. 340-343 (IFMBE Proceedings; Vol. 17 IFMBE).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Kim SM, Oh TI, Woo EJ, Kim SW, Seo JK. Time- and frequency-difference imaging using KHU Mark1 EIT system. In 13th International Conference on Electrical Bioimpedance and the 8th Conference on Electrical Impedance Tomography 2007, ICEBI 2007. 2007. p. 340-343. (IFMBE Proceedings).