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Flame slice algebraic reconstruction technique reconstruction algorithm based on radial total variation

[+] Author Affiliations
Shufang Zhang, Fuyao Wang, Cong Zhang, Hui Xie, Minggang Wan

Tianjin University, School of Electronic Information Engineering, No. 92 Weijin Road, Nankai District, Tianjin City 300072, China

J. Electron. Imaging. 25(5), 053037 (Oct 26, 2016). doi:10.1117/1.JEI.25.5.053037
History: Received April 21, 2016; Accepted October 4, 2016
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Abstract.  The engine flame is an important representation of the combustion process in the cylinder, and the three-dimensional (3-D) shape reconstruction of the flame can provide more information for the quantitative analysis of the flame, so as to contribute to further research on the mechanism of the combustion flame. One important method of 3-D shape reconstruction is to reconstruct the two-dimensional (2-D) projection image of the flame, so the optimization problem of the flame 2-D slice reconstruction algorithm is studied in this paper. According to the gradient sparsity characteristics in the total variation (TV) domain and radial diffusion characteristics of the engine combustion flame, a flame 2-D slice algebraic reconstruction technique (ART) reconstruction algorithm based on radial TV (ART-R-TV) is proposed. Numerical simulation results show that the new proposed ART-R-TV algorithm can reconstruct flame slice images more stably and have a better robustness than the two traditional ART algorithms especially in a limited-angle situation.

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Citation

Shufang Zhang ; Fuyao Wang ; Cong Zhang ; Hui Xie and Minggang Wan
"Flame slice algebraic reconstruction technique reconstruction algorithm based on radial total variation", J. Electron. Imaging. 25(5), 053037 (Oct 26, 2016). ; http://dx.doi.org/10.1117/1.JEI.25.5.053037


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