用matlab语言编写了一个GUI截面，通过该界面可以实现图像的傅立叶变换，反傅里叶变换，高低通滤波，以及把黑白图像转化成灰度图像等功能。-Matlab language with a GUI section, the interface can be achieved through the Fourier transform of the image, anti-Fourier transform, high and low pass filter, and the black and white image into gray image and other functions.