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An efficient nodal Jacobian method for 3D electrical capacitance tomography image reconstruction

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Abstract:

Image reconstruction using Electrical Capacitance Tomography (ECT) requires an accurate inverse model, which is usually computationally expensive especially in three dimensions. A Jacobian reduction method is presented, which uses the nodal Jacobian method rather than an element-based method to reconstruct images without detriment to the final solution. The image reconstruction of an experimental test data has been presented using the new sensitivity map.

Keywords: Electrical capacitance tomography; inverse problem; nodal Jacobian; permittivity mapping

Document Type: Research Article

DOI: http://dx.doi.org/10.1784/insi.2009.51.1.36

Affiliations: 1 Computer Engineering Department, Technical University of Lodz, Lodz, Poland and the Department of Electronic & Electrical Engineering, University of Bath, UK.

Publication date: January 1, 2009

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