给定栅格图象及其变形后的栅格图象，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。-given raster image deformation and the raster image, the first to determine the grid Crosspoint the displacement, then use the control Raster Image prepared geometric correction procedures.