这是一个将指定区域内的图像提取出来，与指定图像进行融合的matlab程序，由泊松方程引申而来-This is a designated area of the extracted image, with a specified image of Matlab integration process from the Poisson equation arising from

泊松编辑的matlab代码，主要实现图像融合功能。-Poisson editor of matlab code, and main function of image fusion.