数字图像处理实验一代码部分

//  Created by liuzhe on 17/3/30.

%-- 17-3-27 上午7:44 --%
%-- 17-3-27 上午7:49 --%
I_huidu=imread('pout.tif');
I_erzhi=inread('circles.png');
I_erzhi=imread('circles.png');
I_erzhi2=imread('blobs.png');
I_erzhi=imread('circles.png');
figure(1),imshow(I_huidu);
figure(2),imshow(I_erzhi);
figure(3),imshow(I_erzhi2);
[I_suoyin,colormap]=imread('trees.tif');
figure(4),imshow(I_suoyin,colormap);
figure(5),imshoew(I_suoyin);
figure(5),imshow(I_suoyin);
figure(5),imshow(colormap);
I_RGB=imread('peppers.png');
I_RGB=imread('peppers.png')
figure(6),imshow(I_RGB);
R=I_RGB(:,:,1);
figure(100),imshow(R);
G = I_RGB(:,:,2);
B = I_RGB(:,:,3);
figure(G),imshow(G);
figure(101),imshow(G);
figure(102),imshow(B);
subplot(2,2,1),imshow(I_RGB);
subplot(2,2,2),imshow(R);
subplot(2,2,3),imshow(G);
subplot(2,2,4),imshow(B);
I_RGB=imread('pappers.png');
I=imread('pout.tif');
GA = imnoise(I,'gaussian');
imwrite(GA,'GApout.tif');
subplot(1,3,1),imshow(I);
subplot(1,3,2),imshow(GA);
PS = imnoise(I,'salt & pepper');
subplot(1,3,3),imshow(PS);
imwrite(PS,'PSpout.tif');