A SAR Image Filter Method Based on Structured Neibourhood Model with Multi-scale Edges Detection

Shi Zhenghao, Fung K B. A comparison of digital speckle filters [C]. IGARSS94: 2129-2134.[2]Lopes A, Nezry E, Touzi R. Structure detection and statistical adaptive speckle filtering in SAR images [J].Int. J. of Remote Sensing.1993, 14(9):1735-1758[3]Ulaby F T, Kouyate F. Texture information in SAR images [J]. IEEE Trans. on GRS, 1986, 24(2): 235-245.[4]Lee J S. Speckle analysis and smoothing of synthetic aperture radar images[J].Computer Graphic and Image Processing.1981, 17(1):24-32[5]Kuan D T, Sawchuk A A. Adaptive noise smoothing filter for signal-dependent noise[J]. IEEE Trans. on PAMI, 1985, 7(2): 165-177.[6]Frost V S, Stiles J A. A model for radar images and its application to adaptive digital filtering of multiplicative noise [J]. IEEE Trans. on PAMI, 1982, 4(2): 157-166.[7]Lopes A, Tonzi R, Nezry E. Adaptive speckle filter and sense heterogeneity[J]. IEEE Trans. on GRS, 1990, 28(6): 992-1000.[8]Baraldi A, Parmiggiani F. A refined gamma MAP SAR speckle filter with improved geometrical adaptivity[J]. IEEE Trans. on GRS, 1995, 33(5): 1245-1257.[9]Marc S，Gianfranco D G. Analysis of speckle noise contribution on wavelet decomposition of SAR images[J]. IEEE Trans. on GRS, 1998, 36(6): 1953-1962.[10]Dong Y, Milne A K, Forster B C. Toward edge sharpening: a SAR speckle filtering algorithm [J]. IEEE Trans. on GRS. 2001, 39(4): 851-863.[11]Han C M, Guo H D, Wang C L, et al.. A novel method to reduce speckle in SAR images [J].Int. J. of Remote Sensing.2002, 23(23):5095-5101[12]韩春明，郭华东. 一种改进的SAR图像斑点噪声滤波方法[J].遥感学报，2004，8(2): 121-127.[13]Mallat S, Hwang W L. Singularity detection and processing with wavelets[J].IEEE. Trans. on Information Theory.1992, 38(3):617-643[14]郦苏丹，李广侠. SAR图像的多尺度边缘检测方法[J]. 系统工程与电子技术，2004，26(3): 307-310.[15]Oliver C J, Quegan S. Understanding synthetic aperture radar images[M], Washington: Artech House Inc, 1998, Chapter 5.[16]邢文训，谢金星. 现代优化计算方法[M]. 北京：清华大学出版社，1999，第3章.