Magnetic Induction Tomography: A Review of Process and Medical Tomography Systems
Subject Areas : Renewable energy
1 - Assistant Professor - Electrical Engineering Department, Najafabad Branch, Islamic Azad University, Isfahan, Iran
Keywords: Magnetic induction tomography, magnetic induction imaging, Oil-gas pipe monitoring, Non-destructive oil, gas and petrochemical pipelines imaging,
Abstract :
Being a non-contact safe imaging technique, MIT has been an appropriate method for non-invasive and non-destructive industrial and medical imaging. In this imaging method, a primary magnetic field is applied by one or more excitation coils to induce eddy currents in the material to be studied, and then the secondary magnetic field from these eddy currents is detected in sensing coils. Image reconstruction is obtained from estimated electric conductivity coefficients by using measurement data and solutions of forward and inverse problems. MIT is a promising modality for noninvasive medical imaging due to its contactless and nonionizing technology. On the other hand, one of the needs of experts in oil/gas industry is to get information about process inside pipelines and tanks containing oil and gas, which is usually not accessible without disconnecting the process. For this reason, tremendous efforts have been made on measurements and nondestructive tests without physical disconnecting the process. In recent years, applications of process tomography as an imaging non-invasive tool for imaging from inside of pipelines, monitoring and measuring flows have increased. In this Paper, the properties of process and medical tomography systems reviewed.
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_||_[1] R. Williams, M. Beck, Process tomography: Principles, techniques, and applications, Butterworth Heinemann Ltd, Oxford, Britain, 1995.
[2] M.R. Yousefi, M. Hadinia, R. Jafari, H. Abrishami Moghadam, H.R. Taghirad, " Applications of electrical and optical tomography in oil/gas industry", Proceedings of the SIOEI, Tehran, Iran, Feb. 2012 (in Persian).
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[21] R. Merwa, K. Hollaus, H. Scharfetter, "Detection of brain oedema using magnetic induction tomography: A feasibility study of the likely sensitivity and detectability", Physiological Measurement, Vol. 25, pp. 1–8, Oct. 2004.
[22] Y. Chen, M. Yan, D. Chen, M. Hamsch, H. Liu, H. Jin, M. Vauhkonen, C. H. Igney, J. Kahlert, Y. Wang, "Imaging hemorrhagic stroke with magnetic induction tomography: realistic simulation and evaluation", Physiological Measurement, Vol. 31, pp. 809–827, Oct. 2010.
[23] M. Zolgharni, P. D. Ledger, H. Griffiths, "Forward modelling of magnetic induction tomography: a sensitivity study for detecting haemorrhagic cerebral stroke", Medical and Biological Engineering and Computing, Vol. 47, pp. 1301–1313, Jan. 2009.
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[29] D. Gursoy, H. Scharfetter, "Feasibility of lung imaging using magnetic induction tomography", Proceedings of World Congress on Medical Physics and Biomedical Engineering, Munich, Germany, Vol. 252, pp. 525-528, Sep. 2009.
[30] D. Gursoy, H. Scharfetter, "Anisotropic conductivity tensor imaging using magnetic induction tomography", Physiological Measurement, Vol. 31, pp. 135–145, Oct. 2010.
[31] A. Tamburrino, S. Ventre, G. Rubinacci, "Recent developments of a monotonicity imaging method for magnetic induction tomography in the small skin-depth regime", Inverse Problems, Vol. 26, No. 7, pp. 1-21, July 2010.
[32] T. Dyakowski, "Process tomography applied to multi-phase flow measurement", Measurement Science and Technology, Vol. 7, pp. 343-353, Mar. 1996.
[33] M. Soleimani, W. R. B. Lionheart, A. J. Peyton, "Image reconstruction for high-contrast conductivity imaging in mutual induction tomography for industrial applications", IEEE Trans. on Instrumentation and Measurement, Vol. 56, pp. 2024-2032, Oct. 2007.
[34] R. Loser, T. Wajman, D. Mewes, "Electrical capacitance tomography: image reconstruction along electrical field lines", Measurement Science and Technology, Vol. 12, pp. 1083-1091, Dec. 2001.
[35] G. Steiner, "Application and data fusion of different sensor modalities in tomographic imaging", Elektrotechnik and Informationstechnik, Vol 124, pp. 232-239, Aug. 2007.
[36] M. Soleimani, "Image and shape reconstruction methods in magnetic induction and electrical impedance tomography", PhD thesis, Faculty of Engineering and Physical Sciences, University of Manchester, 2005.
[37] M. Wang, "Electrode models in electrical impedance tomography", Journal of Zhejiang University-SCIENCE A, Vol. 6, pp. 1386-1393, Dec. 2005.
[38] S. Y. Semenov, J. Kellam, P. Althausen, T. Williams, A. Abubakar, A. Bulyshev, Y. Sizov, "Microwave tomography for functional imaging of extremity soft tissues: feasibility assessment", Physics Medicine Biology, Vol. 52, pp. 5705–5719, Sep. 2007.
[39] J. K. Seo, O. Kwon, E. J. Woo, "Magnetic resonance electrical impedance tomography (MREIT): Conductivity and current density imaging", Journal of Physics: Conference Series, Vol. 12, pp. 140-155, Jun. 2005.
[40] M. R. Yousefi, "A combined mesh free-finite element method for solving the forward problem in magnetic induction tomography and designing a laboratory prototype", PhD Thesis, Electrical Engineering Department, K. N. Toosi University of Technology, 2014 (in Persian).
[41] H. Griffiths, "Magnetic induction tomography", Measurement Science and Technology, Vol. 12, pp. 1126-1131, Dec. 2001.
[42] A. J. Peyton, Z. Z. Yuy, G. Lyony, S. Al-Zeibaky, J. Ferreiraz, J. Velezz, F. Linharesz, A. R. Borgesz, H. L. Xiongx, N. H. Saundersk, M. S. Becky., "An overview of electromagnetic inductance tomography: Description of three different systems", Measurement Science and Technology, Vol. 7, pp. 261-271, Mar. 1996.
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[44] M. Zhang, L. Ma, M. Soleimani, "Magnetic induction tomography guided electrical capacitance tomography imaging with grounded conductors", Measurement, Vol. 53, pp. 171-181, Jul. 2014.
[45] L. Ma, A. Hunt, M. Soleimani, "Experimental evaluation of conductive flow imaging using magnetic induction tomography", International Journal of Multiphase Flow, Vol. 72, pp. 198-209, Jun. 2015.
[46] H. Scharfetter, H. K. Lackner, J. Rosell, "Magnetic induction tomography: hardware for multi-frequency measurements in biological tissues", Physiological Measurement, Vol. 22, pp. 131–146, Feb. 2001.
[47] H. Scharfetter A. Kostinger, S. Issa, "Spectroscopic 16 channel magnetic induction tomography: the new Graz MIT system", Proceedings of the IFMBE, pp. 452–455, Berlin, Heidelberg, Sep. 2007.
[48] S. Watson, R. J. Williams, W. Gough, H. Griffiths, "A magnetic induction tomography system for samples with conductivities below 10 S m−1", Measurement Science and Technology, Vol. 19, 045501 (11pp.), April 2008.
[49] C. H. Igney, S. Watson, R. J. Williams, H. Griffiths, O. Dossel, "Design and performance of a planar-array MIT system with normal sensor alignment", Physiological Measurement, Vol. 26, pp. 263–278, April 2005.
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[51] G. S. Park, "Development of a magnetic inductance tomography system", IEEE Trans. on Magnetics, Vol. 41, pp. 1932-1935, May. 2005.
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