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how can i add noise to the image??

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Ashitha
Ashitha 2013-7-31
in matlab how can i add guassian noise to an image

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回答（2 个）

Evan
Evan 2013-7-31
Do you have the image processing toolbox? If so, you might find imnoise useful.
http://www.mathworks.com/help/images/ref/imnoise.html?searchHighlight=imnoise
Iain
Iain 2013-7-31
my_noisy_image = cast(randn(size(my_image))*sigma,class(my_image)) + my_image;

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