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 raster images, you first determine the displacement of each grid intersection, and then using the control method of preparation of raster image geometric correc