How to remove noise overlap in the form of such diagonals

[mr.JANGO]

Is it possible to remove such noise in the form of such diagonals over the main video? Maybe someone met with a solution to a similar problem.
[Attachment 49329 - Click to enlarge]

[pandy]

Use filter working in frequency domain (most likely founded around FFT) - if i recall correctly Avisynth has defreq

[mr.JANGO]

Use filter working in frequency domain (most likely founded around FFT) - if i recall correctly Avisynth has defreq

Thanks for the answer ! Very useful information! I think it is necessary to do experimentation.

[jagabo]

First approximation with defreq:

ImageSource("Noise.png", start=0, end=23, fps=23.976) 
Crop(1,3,-0,-0) # mod4
ConvertToYV12()
defreq(show=0, info=false, fx=18.9, fy=-4.5, sharp=4757.5)

[Attachment 49333 - Click to enlarge]