EEKHI-SAR-SIFT: Edge Enhancement and Keypoint Homogeneous Improved SAR-SIFT Framework Based on Unbiased Difference Ratio Edge Detector Strategy. - Zhonghua Hong; Yu Lu; Yongsheng Geng; Xiaohua Tong; Shijie Liu; Ruyan Zhou; Haiyan Pan; Yun Zhang 012; Yanling Han; Jing Wang 032; Shuhu Yang (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024)