将一张图片上的某一区域与另一张图片上的某一区域进行同等比例的融合，并将结果显示在其中一张图片上-A picture of a region with a region of the other pictures on the same proportion of the fusion and displays the results in one picture

读入一幅图像，在在这幅图像中感兴趣的区域与另一张图像进行加权融合-Read into an image, in the region of interest in this image and another image weighted fusion