图像信息处理的实验Word文件下载.docx
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1.
pout.tif'
subplot(2,2,1)
subplot(2,2,2)
I2=imcomplement(I);
imshow(I2)
J=imrotate(I,-45,'
bilinear'
subplot(2,2,3)
imshow(J)
J2=imrotate(I,45,'
subplot(2,2,4)
imshow(J2)
2.
J=imresize(I,1.5,'
J2=imresize(I,2.6,'
bicubic'
imwrite(J,'
pout1.bmp'
imwrite(J2,'
pout2.bmp'
3.
subplot(1,3,1)
J2=imadd(I,50);
subplot(1,3,2)
J3=imsubtract(I,50);
subplot(1,3,3)
imshow(J3)
4.
rice.tif'
J=imread('
K=imadd(I,J);
imshow(K)
L=imsubtract(I,J);
imshow(L)
实验三
1.
f=zeros(256,256);
f(5:
24,13:
17)=1;
imshow(f);
imshow(f,'
notruesize'
F=fft2(f);
figure;
imshow(log(abs(F)),'
)
F2=fftshift(F);
figure,imshow(log(abs(F2)))
2.
A=imread('
B=DCT2(A,291,240);
imshow(B)
实验四
J=imsubtract(I,50);
subplot(1,3,1);
imshow(J);
J2=imadjust(I,[80/255,180/255],[30/255,130/255]);
subplot(1,3,2);
imshow(J2);
J3=im2uint8(mat2gray(log(1+double(I))));
subplot(1,3,3);
实验5
subplot(2,2,1);
imshow(I);
subplot(2,2,2);
imhist(I,256);
subplot(2,2,3);
J2=histeq(I,256);
subplot(2,2,4);
imhist(J2,256);
实验6
1.>
subplot(1,2,1);
W=fspecial('
laplacian'
0.5);
subplot(1,2,2);
I2=imfilter(I,W,'
replicate'
imshow(I2);
2.
(1)
J=imnoise(I,'
gaussian'
0,0.04);
h=ones(5,5)/25;
J2=imfilter(J,h);
(2)
J3=imnoise(I,'
salt'
0.04);
imshow(J3);
J4=imfilter(J3,h);
imshow(J4);
(
3)
J5=imnoise(I,'
speckle'
imshow(J5);
J6=imfilter(J5,h);
imshow(J6);
3.
(1)
K=medfilt2(J);
imshow(K);
(3)
J2=imnoise(I,'
K2=medfilt2(J2);
imshow(K2);