融合多方向Sobel算子的相干斑各向异性扩散抑制

张婧,郭风成,左泽丹,丁鹏辰,陈思帼,孙闯,刘文宋

Speckle Anisotropic Diffusion Suppression by Multidirectional Sobel

Jing ZHANG,Fengcheng GUO,Zedan ZUO,Pengchen DING,Siguo CHEN,Chuang SUN,Wensong LIU

图4 GF-3 SAR影像不同滤波器获取的比值影像

Fig.4 Ratio images between noisy and filtered GF-3 images by filters