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how to add noise to image in frequency domain

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umar siyab
umar siyab 2011-11-25
if anyone have matlab code for adding noise like guassian exponential gamma salt and pepper religh uniform plz help me.. thanks in advance

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回答（1 个）

Thijs
Thijs 2011-11-25
try the following:
help rand
or
help randn
  2 个评论
Walter Roberson
Walter Roberson 2012-1-2
Generate a noise matrix, RandomNoise, and use
NoisyImage = OriginalImage + RandomNoise

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