本程序为高通滤波的程序代码，除了单纯的对图像进行滤波，也可以进一步进行高通滤波融合，从而获得较好的图像融合结果。-The procedures for the high-pass filtering of the program code, in addition to a simple image filtering can also be further integration of the high-pass filter to obtain a better image fusion.