Question

如何在matlab中进行平移和旋转

Answer 1

clear;
close all;
img1=imread('bmoban.jpg');%读取图像
img1=rgb2gray(img1);%转换为灰度图
figure,imshow(img1);
imwrite(img1,'a1.jpg');

se=translate(strel(1),[20 20]);%%%%%%平移
img2=imdilate(img1,se);
figure,imshow(img2);
imwrite(img2,'a2.jpg');

img3=imrotate(img1,90);%%%%%%旋转
figure,imshow(img3);
imwrite(img3,'a3.jpg');

img4=imresize(img1,2);% %%%%%缩放
figure,imshow(img4);
imwrite(img4,'a4.jpg');