s014.m

简单的数字图像处理程序

%图像调整的双线性插值方法  s014
I14=imread('1.jpg');
I140=rgb2gray(I14);
I140=imcrop(I140,[1 400,1 400]);
I140=imresize(I140,0.2);  %为缩短插值时间，将原图数据减少25倍
I141=imrotate(I140,20,'nearest');
I142=imresize(I140,20,'bilinear');
I143=imresize(I140,20,'bicubic');
A=I141(110:113,221:225)
B=I142(110:113,221:225)
C=I143(110:113,221:225)