matlab实现图像的平移、旋转、缩放

clear;

close all;

img1=imread('bmoban.jpg');

img1=rgb2gray(img1);

figure,imshow(img1);

imwrite(img1,'a1.jpg');

%%%%%%平移 

se=translate(strel(1),[20 20]);

img2=imdilate(img1,se);

figure,imshow(img2);

imwrite(img2,'a2.jpg');

%%%%%%旋转

img3=imrotate(img1,90);

figure,imshow(img3);

imwrite(img3,'a3.jpg');

% %%%%%缩放

img4=imresize(img1,2);

figure,imshow(img4);

imwrite(img4,'a4.jpg');