random noise matlab.

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Faris
Faris 2011-4-1
how to add random noise to image in matlab?

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David Young
David Young 2011-4-1
There are many choices you might make for the distribution of the noise. For independent additive Gaussian noise you could do this:
noisyImage = originalImage + noiseAmplitude * randn(size(originalImage));
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Faris
Faris 2011-4-3
ok. i'm doing like this:
Mr=Lr+0.5*randn(size()); %Lr is 64x64 image
is it correct?

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