A speckle filter based on EMD is proposed, it smooth along edge direction in edge area and compute mean of square area in homogenous region, therefore this method can reduce speckle while preserve edge in SAR images.6.
6．提出了基于EMD方法的SAR图像斑点滤波方法；这个方法在边缘区域沿着边缘方向平滑，在同质区域在方形窗口内取平均，因此这个方法在去除斑点同时能够有效保持边缘。
参考来源 - SAR图像斑点滤波研究·2,447,543篇论文数据，部分数据来源于NoteExpress
提出了一种自适应斑点滤波算法，它基于小波变换检测图像中的边缘点，根据检测结果结合多视处理实现斑点滤波。
An adaptive speckle filtering algorithm is proposed. It detects image points belonging to edge based on wavelet transform. Speckle are filtered according to detect results and multi-look.
本文提出了一种基于形态滤波的斑点目标检测方法。
The paper presents an algorithm for spot target detection based on morphological filter.
提出了实现高分辨率星载SAR单视图像斑点噪声抑制的广义形态滤波法。
Method is developed for speckle reduction of high resolution one-look spaceborne SAR images in this paper.
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