淡江大學機構典藏:Item 987654321/82995
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    題名: Shape Reconstruction of 2D Perfectly Conducting Cylinder Targets Using the Particle Swarm Optimization
    作者: Chiu, C. C.;Sun, C. H.;Fan, Y. S.
    貢獻者: 淡江大學電機工程學系
    關鍵詞: microwave imaging;inverse scattering;particle swarm optimisation;medical imaging
    日期: 2012-04-01
    上傳時間: 2013-03-13 03:07:07 (UTC+8)
    出版者: Maney Publishing
    摘要: The particle swarm optimisation (PSO) for shape reconstruction of perfect conducting cylinder (PEC) buried in a half-space is presented. Assume that a conducting cylinder of unknown shape is buried in one half-space and scatters the field incident from another half-space where the scattered filed is measured. Based on the boundary condition and the measured scattered field, a set of nonlinear integral equations is derived and the imaging problem is reformulated into an optimisation problem. The inverse problem is resolved by an optimisation approach, and the global searching scheme PSO is then employed to search the parameter space. Numerical results demonstrate that even when the initial guess is far away from the exact one, good reconstruction can be obtained by using PSO both with and without the additive Gaussian noise.
    關聯: Imaging Science Journal 60(2), pp.83-89
    DOI: 10.1179/1743131X11Y.0000000006
    顯示於類別:[電機工程學系暨研究所] 期刊論文

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