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how to calculate psnr,snr,mean square error,mean absolute error of gray scale image?

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ASHA
ASHA on 23 Jan 2014
Answered: Image Analyst on 23 Jan 2014
i am using matlab 2013 and i want to calculate the psnr,snr,mean square error,mean absolute error of gray scale image.do we have any in built function for calculating these parameters?

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Image Analyst
Image Analyst on 23 Jan 2014
See my attached demo.

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