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is this code give me compression?

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Jitesh Bhanushali
Jitesh Bhanushali 2014-4-24
评论： Jitesh Bhanushali 2014-4-26
sir is this m file gives me compression??

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回答（2 个）

Walter Roberson
Walter Roberson 2014-4-24
Yes.
  2 个评论
Jitesh Bhanushali
Jitesh Bhanushali 2014-4-25
thanku sir sir how can i find mse and psnr in this code??
Jitesh Bhanushali
Jitesh Bhanushali 2014-4-26
sir where exactly the compression takes place?? how to find compression ratio

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Image Analyst
Image Analyst 2014-4-25
From the help of the Image Processing Toolbox:
psnr
Peak Signal-to-Noise Ratio (PSNR) expand all in page
Syntax
peaksnr = psnr(A,ref)example
peaksnr = psnr(A,ref,peakval)
[peaksnr,snr] = psnr(___)
Description
example
peaksnr = psnr(A,ref) calculates the peak signal-to-noise ratio for the image A, with the image ref as the reference. A and ref must be of the same size and class.
peaksnr = psnr(A,ref,peakval) uses peakval as the peak signal value for calculating the peak signal-to-noise ratio for image A.
[peaksnr,snr] = psnr(___) returns the simple signal-to-noise ratio, snr, in addition to the peak signal-to-noise ratio.

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