How to calculate percentage change in Noise

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Tallha Akram
Tallha Akram el 11 de Dic. de 2012
Hi,
I have added salt & pepper noise (10%) to a certain image and then apply the filter.
The Filter has removed enough noise and output image has shown reduction in noise level.
Now i want to calculate the percentage change in Noise Level. How to find it?

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Walter Roberson
Walter Roberson el 11 de Dic. de 2012

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