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中文摘要：
提出一种能够保持散射特性的极化滤波方法．首先，对图像的极化散射特性进行提取，得到不同散射特性的类别并进行标识；其次，按照不同类别的标识，采用自适应滑动窗口处理，提取与中心像素散射特性相同的像素点进行滤波参数估计；最后，利用得到的滤波参数对实测数据进行滤波处理．通过验证比较，表明该方法不仅有效地抑制了相干斑，同时对极化散射特性有很好的保持能力．
英文摘要：
Most of the speckle filtering methods can not preserve the scattering characteristics of the PolSAR image because of their being based on the statistic model. To solve this problem, here we propose a speckle filtering method to preserve polarimetric scattering characteristics. Firstly, by extracting scattering characteristics from the PolSAR image, we mark different sorts with different markers; then, referring to the different markers, an adaptive slipping window is used to compute the filtering parameter; finally, measured data are applied in the filtering experiment using the filtering parameter. From the analysis, we have proved the effectiveness of our method.
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