Edge Detection Algorithm of SAR Images with Wedgelet Filter
Based on the analysis of the characteristics of synthetic aperture radar （SAR） images, a new edge detection method is proposed. The wedgelet transform is introduced into the area of SAR image speckle reduction for it can provide a nearly optimal representation for images in the horizon class. The we...
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| Veröffentlicht in: | Journal of Beijing Institute of Technology (English Edition) 2008-09, Vol.17 (3), p.346-350 |
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| container_title | Journal of Beijing Institute of Technology (English Edition) |
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| creator | 任超 吴嗣亮 焦李成 |
| description | Based on the analysis of the characteristics of synthetic aperture radar （SAR） images, a new edge detection method is proposed. The wedgelet transform is introduced into the area of SAR image speckle reduction for it can provide a nearly optimal representation for images in the horizon class. The wedgelet filter has good ability in keeping edge and speckle reduction. Then, a ratio edge detector is applied after a process of speckle reduction. The experimental results show that the method outperforms substantially others visually. |
| format | Article |
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| identifier | ISSN: 1004-0579 |
| ispartof | Journal of Beijing Institute of Technology (English Edition), 2008-09, Vol.17 (3), p.346-350 |
| issn | 1004-0579 |
| language | eng |
| recordid | cdi_wanfang_journals_bjlgdxxb_e200803018 |
| source | Alma/SFX Local Collection |
| subjects | 人造光圈雷达 边缘检测方法 边缘检测比 边缘稀释 |
| title | Edge Detection Algorithm of SAR Images with Wedgelet Filter |
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