A Fast Image Reconstruction Algorithm of Electrical Capacitance Tomography Based on Engle Criterion

To improve the speed and quality of the reconstruction image for Electrical Capacitance Tomography (ECT), a fast image reconstruction algorithm based on Engle criterion is proposed. ECT image reconstruction is an ill-posed problem, and Tikhonov regularization is employed to get the stable solution....

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Hauptverfasser:	Cuihuan Li, Youhua Wang, Duyan Geng, Xiaoguang Yang, Xueqin Shen
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Capacitance Capacitance measurement Electrical capacitance tomography Electrodes Equations Image reconstruction Signal processing algorithms
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Beschreibung
Zusammenfassung:	To improve the speed and quality of the reconstruction image for Electrical Capacitance Tomography (ECT), a fast image reconstruction algorithm based on Engle criterion is proposed. ECT image reconstruction is an ill-posed problem, and Tikhonov regularization is employed to get the stable solution. Engle criterion is used to choice regularization parameter. A further research about three-order method for fast choosing regularization parameter is proposed. Simulation results show that the proposed method has fast convergence rate and the reconstruction image quality is improved markedly.
DOI:	10.1109/ICEF.2012.6310394