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中文摘要：
本文导出脊波的一个性质,并基于这种具有特殊性质的脊波,提出一种SAR图像相干斑抑制算法。在脊波域中引入Cycle Spinning,以解决基函数所缺失的平移不变性。实验结果表明：这种脊波比小波更适于SAR图像滤波,尤其适于含直线奇异性的图像。
英文摘要：
A property of ridgelet is first proved. An algorithm of SAR image speckle reduction is then proposed by basing on the proved special properties. Consequently, cycle spinning is introduced in ridgelet domain for satisfying the shift invariance. Experimental results show that the ridgelets are more effective than that of the corresponding wavelets on speckle reduction, especially for images with straight line singularities.
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