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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 2014-1-23
回答： Image Analyst 2014-1-23
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 2014-1-23
See my attached demo.

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