给定栅格图象及其变形后的栅格图象，请你首先确定各栅格交叉点的位移，然后采用控制栅格的方法编写实现图象几何校正的程序。 -A given image and deformed grid of the raster image, you first determine the grid cross-point displacement, and then the methods used to control the preparation of the realization of raste