#10924: Clean-up "ssim", "psnr" filter output
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Reporter: | Owner: (none)
MasterQuestionable |
Type: enhancement | Status: new
Priority: normal | Component: avfilter
Version: unspecified | Resolution:
Keywords: ssim psnr | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by MasterQuestionable):
͏ "With dummy input alpha (as in WebP), would it make sense to
unconditionally ignore this channel?"
<!^>͏ Gather some out-of-the-class entities and count the average
stats: would the outcome really make sense?
͏ Such would only generate unfaithfully biased results...
͏ For most cases:
͏ |1| If both input sharing identical Alpha ("A:1 (inf)"): ignore
unless "+alpha" specified.
͏ |2| Else the Alpha should be counted (as it's significant): unless
"-alpha" specified.
[ "+alpha"
͏ New filter option (parameter) for both "ssim" "psnr":
͏ Which forces the inclusion of Alpha during calculation.
͏ "-alpha", it's counterpart: forces the exclusion. ]
͏ Maybe the idea may be similarly expanded to each component..?
(/[[https://regex101.com/?regex=%5B%2B%5C-%5D%5Brgbyuva%5D&flags=i|[+\-][rgbyuva]]]/i)
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Ticket URL: <https://trac.ffmpeg.org/ticket/10924#comment:1>
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