Until now, with the development of the type of equipment to obtain images, the methods that people obtain images has been becoming more and more and making the category of image processing also more and more. However, in some specific fields, it also can not provide the all needs of science studies or engineering .Along with these problems come out, a series of theories and methods of image processing are researched, image fusion is one of them. In he fields such as medical, military, earth remote sensing a...