中文说明：求取图像傅里叶算子的matlab代码，可实现图像匹配。已经运行成功，并且可以很好地进行简单的图像匹配。并且带有注释，方便理解。
English Description：
Matlab code for image obtained by Fourier operator can achieve image matching. Has been run successfully, and simple image matches well. And annotated, easy to understand.