Volume 8 Number 10 (Oct. 2013)
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JSW 2013 Vol.8(10): 2529-2534 ISSN: 1796-217X
doi: 10.4304/jsw.8.10.2529-2534

3D Reconstruction and Visualization of Volume Data in Electrical Capacitance Tomography

Hua Yan, Yang Lu, Yifan Wang
School of Information Science and Engineering, Shenyang University of Technology, Shenyang, China

Abstract—Electrical capacitance tomography (ECT) is a non-invasive imaging technique that aims at visualization the permittivity distribution of dielectric materials based on the measured capacitances. In this paper, the 3D finite element models of a direct 3D ECT sensor with or without dielectric spheres inside the sensor are set up by using finite element modeling. The sensitivity analysis of the sensor is carried out by means of electric field intensity. A Landweber iteration method with non-zero threshold is presented to reconstruct 3D permittivity distributions directly. 3D visualization of the reconstructed result (volume data) is achieved by iso-surface. 3D images reconstructed and error analysis show that the Landweber iteration method with non-zero threshold has much better reconstruction performance compared with the classic Landweber iteration method.

Index Terms—ECT, 3D reconstruction, 3D visualization, finite element modeling.

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Cite: Hua Yan, Yang Lu, Yifan Wang, "3D Reconstruction and Visualization of Volume Data in Electrical Capacitance Tomography," Journal of Software vol. 8, no. 10, pp. 2529-2534, 2013.

General Information

ISSN: 1796-217X
Frequency: Monthly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jsw@iap.org
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