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Conductivity and permittivity images from an induced current electrical impedance tomography system

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3 Author(s)
Scaife, J.M. ; Dept. of Electron. & Electr. Eng., Sheffield Univ., UK ; Tozer, R.C. ; Freeston, I.L.

This paper describes a method for generating separate tomographic images of the conductivity and permittivity distributions within a region of interest. The method uses single frequency phase and amplitude measurements of peripheral voltage differences caused by electromagnetically induced internal current patterns. The basis of the separation technique is described and images constructed from simulated and measured data from a two-dimensional phantom are presented to demonstrate the separation process

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Science, Measurement and Technology, IEE Proceedings -  (Volume:141 ,  Issue: 5 )