[2] Crespo J,Maojo V.New Results on the Theory of Morphological Filters by Reconstruction[J].Pattern Recognition,1998,31(4):419-429
[4] ZHENG Ming-jie,LIU Xian-feng,YANG Ru-liang.Speckle Reduction for SAR Images Based on Soft-morphological Filter with Omni-directional Multiple Structuring Elements[C]// CIE International Conference of Radar Proceedings.Beijing:Chinese Institute of Electronics(CIE),2001:928-932
[10] Dewaele P,Wambacq P,Oosterlinck A,et al.Comparison of Some Speckle Reduction Techniques for SAR Images[C]//IGRASS'90.Maryland:the University of Maryland College Park,1990:2417-2422