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Image processing-a problem?

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Tina
Tina 2013-3-12
关闭： MATLAB Answer Bot 2021-8-20
Hey everyone,
I was just wondering why when the magnitude of an image is zero, the phase is so noisy?
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Youssef Khmou
Youssef Khmou 2013-3-12
ok, but phase has meaning when talking about periodic signals (1d or 2d) an image can not be considered as periodic signal, so of course the phase will look like rv , do you obtain something like :
I=im2double(imread('circuit.tif'));
dI=fft2(I);
P=angle(dI);
imagesc(P)
?

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