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  1. Hi guys!

    I would like to know if there's a function or method that help to filtering the dark or bright area
    of course by using mask in Vapoursynth?

    something like this :

    Last edited by Tornado; 13th Jul 2018 at 10:38.
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  2. Need adding grain to dark areas? Maybe and its function adaptive_grain , it creates mask for it.

    import kagefunc
    video = kagefunc.adaptive_grain(video, strength=0.25)
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