adding noise

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aavula
aavula on 16 Mar 2011
How to add gaussian white noise of SNR=38(some value) to an image using matlab
  1 Comment
Oleg Komarov
Oleg Komarov on 16 Mar 2011
Have you given a look at randn?

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Answers (2)

umar siyab
umar siyab on 25 Nov 2011
u can use the imnoise() function to add noise to your image ... you can consult the matlab help for further detail..

umar siyab
umar siyab on 21 Mar 2012
i want my matrix element to be 1 and -1 and matrix should be of 256 by 256
  1 Comment
Image Analyst
Image Analyst on 21 Mar 2012
Then you should start your own question since your (implied) question is unrelated to aavula's question.

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