random noise matlab.

2011 4 1

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how to add random noise to image in matlab?

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David Young 2011-4-1

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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));

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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