Measurement of Two-Phase Flow Parameters and Image Reconstruction Based on Weighted SVD Truncated Conjugate Gradient Algorithm

Yan Jun Zhang; Yu Chen; De Yun Chen

doi:10.4028/www.scientific.net/KEM.439-440.1516

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 439-440Measurement of Two-Phase Flow Parameters and Image...

Measurement of Two-Phase Flow Parameters and Image Reconstruction Based on Weighted SVD Truncated Conjugate Gradient Algorithm

Abstract:

Taking into account the effect of sensitivity field and ill-posed problem in ERT, a weighted SVD truncated conjugate gradient image reconstruction algorithm (WSTCG) and its mathematical model were developed based on singular value decomposition of the sensitivity matrix theory. Simulation and experimental results show the proposed algorithm has two excellent characters of high quality and fast convergence speed compared with the LBP algorithm and CG algorithm.

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Periodical:

Key Engineering Materials (Volumes 439-440)

Pages:

1516-1521

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.439-440.1516

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Online since:

June 2010

Authors:

Yan Jun Zhang, Yu Chen, De Yun Chen

Keywords:

Conjugate-Gradient, Electrical Resistance Tomography (ERT), Image Reconstruction, Sensitivity Field, Singular Value Decomposition (SVD)

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