Am 23.04.2019 um 11:43 schrieb Jon bae:
Hello,
I just have an general question:
As I know denoiser are specialized to specific noise pattern.
Makes it a different when I denoise after scaling a video, or is the
quality better when I denoise before scaling.
In terms of speed it would be better for me, denoising after scaling, but
when the quality is better, then I would go that way.
You could try both versions simultaneously and compare them with hstack:
ffmpeg -i in.mov -i in.mov -filter_complex
"[0]scale=640:400,atadenoise[a];[1]atadenoise,scale=640:400[b];[a][b]hstack"
out.mov
There are at least six different denoisers available: atadenoise, bm3d,
dctdnoiz, fftdenoiz, owdenoise and vaguedenoiser
Michael
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