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 correction procedures to achieve