close all clear clc disp('====CH3_2_2.m===='); I1=imread('lab1_0.bmp'); I2=imresize(I1,0.1,'nearest'); % 语句1 I3=imresize(I1,10.5,'triangle'); % 语句2 figure,imshow(I1),xlabel('原图像'); figure,imshow(I2),xlabel('缩小后的图像'); figure,imshow(I3),xlabel('放大后的图像');