Image quality assessment: Difference between revisions

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* SSIM
* SSIM


For video, simply average MSE or PSNR over all frames.   
For video, simply average MSE over all frames and then compute the PSNR over the averaged MSE.   
Typically, for a yuv420 video, people only calculate MSE or PSNR for the luminance (Y) channel due to chroma subsampling.
Typically, for a yuv420 video, people only calculate MSE or PSNR for the luminance (Y) channel due to chroma subsampling.