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Thread: Vertical Artifacts/bars on video
Frankly I see the bottom pic worse than the top (the before one according to you)
Stills do not help much and how can you possibly filter something that you do not know what the problem is.
Upload a short 10/20 second sample of the vid AND the avisynth script that you used.
Don't know what they are called, but *.mp4 guy's destripe filter works well on this sort of problem (it's essentially a deconvolution horizontal blur)
Check out near the end of the thread for the function, he made a more user-friendly function. You need to adjust the parameters for best results
I find you usually need to stack at least 2 or more instances with different rads and offset values for best effect