摘要
斑点噪声的存在,严重阻碍了合成孔径雷达(SAR)图像的应用。根据斑点噪声的形成机理,分析并比较了抑制SAR斑点噪声的传统滤波算法及统计滤波算法的原理,利用ERS-2的SAR图像数据比较了这几种算法对SAR图像斑点噪声的滤除效果,根据噪声滤波效果评价参数得出Gamma滤波抑制斑点噪声的综合性能最好。
The speckle noise in Synthetic Aperture Radar（SAR） image blocks the application of SAR. This paper analyses traditional smoothing algorithms and statistic algorithms of restraining speckle noise, and applies these algorithms to internal wave SAR images from ERS-2. According to speckle noise smoothing parameters, Gamma filter is the best algorithm for restraining speckle noise.
出处
《信息与电子工程》
2009年第1期9-12,共4页
information and electronic engineering
