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I have a video and I want to calculate the SNR for it.

I know how to do it with an audio signal, but with a video I don't have a clue. I'm using SCILAB for the analysis.

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Do you have the noise-free video as reference? –  Deve Jan 31 '13 at 9:06
    
no I don't have a noise-free video –  Engine Jan 31 '13 at 12:36
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is there a way to do it without the reference video? how do you do it with audio? –  thang Feb 2 '13 at 1:01

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