s087.m

简单的数字图像处理程序

% 灰度图像二维离散付氏变换幅度谱伪彩色显示  s087
I87=imread('2.jpg');
I870=rgb2gray(I87);
I871=fft2(I870);
imshow(log(abs(I871)),[]),colormap(jet(64))