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Dynamic imaging in electrical capacitance tomography and electromagnetic induction tomography using a Kalman filter.

Soleimani, Manuchehr and Vauhkonen, Marko and Yang, Wuqiang Q. and Peyton, Anthony J. and Kim, Bong Seok and Ma, Xiandong (2007) Dynamic imaging in electrical capacitance tomography and electromagnetic induction tomography using a Kalman filter. Measurement Science and Technology, 18 (11). pp. 3287-3294. ISSN 1361-6501

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Abstract

Electrical capacitance tomography (ECT) and electromagnetic induction tomography (EMT) attempt to visualize the distributions of materials with different permittivity and conductivity/permeability, aiming to reveal electrical and magnetic characteristics of an object, by measuring electrical capacitance and electromagnetic inductance on the periphery of the object. In ECT, capacitances of pairs of electrodes placed around the periphery are measured and in EMT, mutual induction of pairs of coils is measured. In this paper, a dynamic imaging technique is developed for ECT and EMT with a linearized Kalman filter to improve the temporal resolution of images. The inverse problem is treated as a state estimate. A Kalman estimator is used to obtain the material distribution. Experimental results demonstrate that the dynamic imaging technique can improve the spatio-temporal resolution of both ECT and EMT.

Item Type: Article
Journal or Publication Title: Measurement Science and Technology
Uncontrolled Keywords: Electrical capacitance tomography ; electromagnetic induction tomography ; permittivity and conductivity distribution ; inverse problem ; dynamic imaging ; Kalman filter
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Departments: Faculty of Science and Technology > Engineering
ID Code: 34921
Deposited By: Dr Xiandong Ma
Deposited On: 15 Dec 2010 08:58
Refereed?: Yes
Published?: Published
Last Modified: 24 Jan 2014 05:19
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/34921

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