Hi friends!
I'm capturing an old VHS to a friend, and bellow is an example how the quality of this VHS is:
I don't have so much experience with avisynth, and I'm having difficult to do some adjusts.
Do you have some tips, for avisynth, that can help me adjusts the colous of this VHS?
Maybe some way to reduce theese "orange" colours, and increase others.
(I think that this orange is much because of an ambient with incandescent illumination).
I already make somes atempts with RGBAdjust, but, dont reach goods results
If you need more images, or some video sample, let me know.
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Last edited by dedediadema; 23rd Jun 2019 at 22:53.
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It might be better if you uploaded a 10 second sample from the source, one that shows the problem.
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Most of the colour tone in those images is down to the white balance being too warm. Don't really use avisynth but looking at it there seems to be a whitebalance script available so I would start with that. Any further corrections you could then perform with the rgbadjust although it would be much more minor than going with what you have now.
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Here's what I got from the video, ~same frame as the first image in the original post:
[Attachment 49470 - Click to enlarge]
Code:AviSource("sample(1).avi") # YUY2 source AssumetFF() ConvertToRGB(matrix="rec601") RGBAdjust(rb=-14, gb=-18, bb=-17) # blacks to ~0 RGBAdjust(r=0.87, b=1.25) # white balance RGBAdjust(rg=1.3, gg=1.3, bg=1.3) # gamma to lighten the shadows a bit ConvertToYUY2(matrix="rec601") # back to YUY2
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