Edge Detection Algorithm of SAR Images with Wedgelet Filter

被引：3

作者：

任超 ^{[1
]}

吴嗣亮 ^{[1
]}

焦李成 ^{[2
]}

机构：

[1] School of Information Science and Technology,Beijing Institute of Technology

[2] Institute of Intelligent Information Processing, Xidian University

来源：

JournalofBeijingInstituteofTechnology | 2008年 / 03期

关键词：

edgelet; wedgelet; edge detection; ratio edge detector; edge thinning;

D O I：

10.15918/j.jbit1004-0579.2008.03.018

中图分类号：

TN957.52 [数据、图像处理及录取];

学科分类号：

080904 ; 0810 ; 081001 ; 081002 ; 081105 ; 0825 ;

摘要：

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.

引用

页码：346 / 350

页数：5