问题描述：
下面的matlab程序错误在哪里?怎么不运行?
clear
f=imread('w2.bmp');
I2=imnoise(f,'salt & pepper');
imshow(I2);title('噪声图像');
PQ=paddedsize(size(I2));
[U,V]=dftuv(PQ(1),PQ(2));
D=sqrt(U.^2+V.^2);
D0=0.05*PQ(2);
F=fft2(f,PQ(1),PQ(2));
H=exp(-(D.^2)/(2*(D0^2)));
g=dftfilt(f,H);
figure, imshow(ifftshift(H),[])
figure,imshow(log(1+abs(ifftshift(F))),[])
figure, imshow(g,[ ])
clear
f=imread('w2.bmp');
I2=imnoise(f,'salt & pepper');
imshow(I2);title('噪声图像');
PQ=paddedsize(size(I2));
[U,V]=dftuv(PQ(1),PQ(2));
D=sqrt(U.^2+V.^2);
D0=0.05*PQ(2);
F=fft2(f,PQ(1),PQ(2));
H=exp(-(D.^2)/(2*(D0^2)));
g=dftfilt(f,H);
figure, imshow(ifftshift(H),[])
figure,imshow(log(1+abs(ifftshift(F))),[])
figure, imshow(g,[ ])
问题解答：
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