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Varying noise percentage with imnoise

From: Yathindu Rangana
Subject: Varying noise percentage with imnoise
Date: Fri, 4 Oct 2013 12:12:41 +1000

Hi all,

I haven't used Octave or Matlab before so thi smmight be a bit of a newbie question.

I'm using  imnoise (A, 'gaussian' [, mean [, var]]) to add Gaussian noise to binary images like this:

imnoise (A, 'gaussian', 0, noiseLevel )

I'm varying noiseLevel (variance) from 0.0 to 1.0, assuming that 0.0 is 0% noise and 1.0 is 100%.

Is this assumption correct?


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