期刊論文
| 學年 | 98 |
|---|---|
| 學期 | 1 |
| 出版（發表）日期 | 2009-12-01 |
| 作品名稱 | Image Reconstruction for a Partially Immersed Imperfectly Conducting Cylinder by Genetic Algorithm |
| 作品名稱（其他語言） | |
| 著者 | Chien, Wei; Sun, Chi-Hsien; Chiu, Chien-Ching |
| 單位 | 淡江大學電機工程學系 |
| 出版者 | Hoboken: John Wiley & Sons, Inc. |
| 著錄名稱、卷期、頁數 | International Journal of Imaging Systems and Technology 19(4), pp.299-305 |
| 摘要 | This article presents a computational approach to the imaging of a partially immersed imperfectly conducting cylinder. An imperfectly conducting cylinder of unknown shape and conductivity scatters the incident transverse magnetic (TM) wave in free space while the scattered field is recorded outside. Based on the boundary condition and the measured scattered field, a set of nonlinear integral equations, and the inverse scattering problem are reformulated into an optimization problem. We use genetic algorithm (GA) to reconstruct the shape and the conductivity of a partially immersed imperfectly conducting cylinder. The genetic algorithm is then used to find out the global extreme solution of the cost function. Numerical results demonstrated that, even when the initial guess is far away from the exact one, good reconstruction can be obtained. In such a case, the gradient-based methods often get trapped in a local extreme. In addition, the effect of random noise on the reconstruction is investigated. |
| 關鍵字 | inverse problem;partially immersed;imperfectly conductor;steady-state genetic algorithm |
| 語言 | en |
| ISSN | 0899-9457; 1098-1098 |
| 期刊性質 | 國外 |
| 收錄於 | SCI EI |
| 產學合作 | |
| 通訊作者 | Chiu, Chien-Ching |
| 審稿制度 | |
| 國別 | USA |
| 公開徵稿 | |
| 出版型式 | 紙本 |
| 相關連結 |
機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/60980 ) |