[FFmpeg-trac] #9460(avfilter:closed): ssim only 0.47 while PSNR is 37, and skimage's result is 0.914
FFmpeg
trac at avcodec.org
Tue Oct 19 06:12:16 EEST 2021
#9460: ssim only 0.47 while PSNR is 37, and skimage's result is 0.914
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Reporter: xmufzy | Owner: (none)
Type: defect | Status: closed
Priority: normal | Component: avfilter
Version: git-master | Resolution: invalid
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by xmufzy):
Replying to [comment:2 Elon Musk]:
> The skimage converts to grayscale prior to calculations, if you do same
with ssim, results is higher than skimage result.
How can I get same result with ffmpeg?
The difference between the two pictures looks very small, the value of
ffmpeg's ssim can't match the result
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Ticket URL: <https://trac.ffmpeg.org/ticket/9460#comment:3>
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