一种新的各向异性扩散SAR相干斑抑制算法

被引:6
作者
黄倩
王岩飞
张冰尘
苗慧
机构
[1] 中国科学院电子学研究所
关键词
合成孔径雷达; 相干斑; 各向异性扩散;
D O I
暂无
中图分类号
TN957.52 [数据、图像处理及录取];
学科分类号
摘要
该文提出了一种基于各向异性扩散偏微分方程以及鲁棒估计的合成孔径雷达(Synthetic ApertureRadar,SAR)图像的相干斑噪声的算法.该算法利用SAR图像局部特性和鲁棒估计,建立了一种新的扩散系数,对均匀区域进行各向同性扩散,对边缘细节区域进行各向异性扩散,不仅可以有效抑制SAR图像的相干斑噪声,较好地保持边缘细节,而且处理所得的图像结果有着良好的视觉效果.
引用
收藏
页码:1553 / 1557
页数:5
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