An image or example clip of video would do wonders to help us diagnose your issue.
We need exact settings, screenshots, footage specs, system information. Nobody can help based on even the most verbose description in such matters.
Hi, thanks for getting back to me
I've uploaded a clip which will need to be watched at 1080p HD and full screen to see the noise.
If you see on the left side of the body the grain is clearest on the shoulder and side of the face.
Any settings not mentioned have been left as default. My keylight settings are:
Screen pre blur 0.5, the background colour was green.
Screen softness: 1
Replace method: source
Foreground colour correction:
Colour suppression: suppress green, no values edited
Edge colour correction:
Edge softness 156.4
Edge colour suppression: suppress blue, no values edited
Other settings I've added are :Exposure to 1.89 with gamma correction of 1.1
Levels individual controls : Blue input white 221.8
CC Colour neutralizer: Midtones I've colour picked a skin tone and set red midtones to -31.8, green midtones to 7.6 and blue midtones to 24.1 and blended with original to 44.
The footage is 1920x1080 HD AVCHD from an AF101. Working on AE CS6 and keylight v1.2 on a PC.
Thanks for your help in advance
Seems reasonably good to me. All I see is a slightly frizzy edge, but that could be due to YouTube. If that is you problem area, I'd simply mask it. There's not much movement and it wouldn't take too long animating a mask with a bunch of keyframes.
Yes the edges aren't great but I'm putting a background on so it's less noticeable.
My problem is more with the noise on the subject himself, on the jacket and on that lighter part of his cheek near his ear.
Maybe this is just what keyers do?
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I also find that when Keylight is left to do its own colour supression, it adds quite a bit of noise to the footage. Try setting it to "Intermediate Result", rather than "Final Result" under the "View" - then add the "Spill Suppressor" effect and tweak it seperately.
You could even use the intermediate result footage as a track matte for the original.
Pierre's advice is the same that I was about to give. Use Keylight for creating mattes, not for spill suppression, etc.
This is a day for the record books - If I can give advice that would have come from Todd!
Youve made me a happy man Todd - I actually feel like i might have a small idea of one small piece of the After Effects puzzle (and it only took me 2 years to get there!)
Thanks for the replies all
I've tried this method and I must admit the edges seem a little nicer, but the noise on the subject has no real change.
Could you please explain how I might go about using a track matte? I've heard of this method but don't really understand it...
Thanks for putting me in the right direction, I hopefully I can get my head around it!
Many thanks for all your help!