Fusion of Remote Sensing Images Based on   Nonsubsampled Contourlet Transform and Region Segmentation
WU Yi-quan (吴一全), WU Chao (吴 超), WU Shi-hua (吴诗婳)
Journal of shanghai Jiaotong University (Science) . 2011, (6): 722 -727 .  DOI: 10.1007/s12204-011-1216-2