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How to edit the subject infront of the greenscreen

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Tomatodude

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  • Joined: Wed May 11, 2022 10:05 am
  • Real Name: Daniel Milja

How to edit the subject infront of the greenscreen

PostFri May 13, 2022 4:18 pm

Hello you. :D

My name is Tomatodude and this is my very first post.

Issue:
I successfully removed the green screen by using the Delta Key in DaVinci Resolve Studio. Everything seems fine. Even though I am wondered about the "grainy" result - anyway.

The next step is to turn the subject infront of the green screen in black (or maybe any other color). I thought just to edit the brightness to zero - but I am not sure, if that's the right way. I want everything to be filled with the color. I select. Like that MS Paint "Bucket" thing to paste a color in a select area.

Thanks to everyone and I wish you a nice time.

- Cheers
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xunile

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  • Real Name: Eric Eisenmann

Re: How to edit the subject infront of the greenscreen

PostFri May 13, 2022 5:42 pm

You could try using the output of the Delta keyer into the mask input of a background node.
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Tomatodude

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  • Real Name: Daniel Milja

Re: How to edit the subject infront of the greenscreen

PostFri May 13, 2022 6:34 pm

xunile wrote:You could try using the output of the Delta keyer into the mask input of a background node.


Thank you xunile. I'll give it a try.
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Bryan Ray

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Re: How to edit the subject infront of the greenscreen

PostSat May 14, 2022 11:41 pm

Tomatodude wrote:I successfully removed the green screen by using the Delta Key in DaVinci Resolve Studio. Everything seems fine. Even though I am wondered about the "grainy" result -


Regarding the grainy results, it is a consequence of the spill suppression method used by a color difference keyer (which is what DeltaKeyer is; so is Keylight). I prefer to get only the matte from Delta and use the far better spill suppression available in the MatteControl tool.

To set it up, pull your key as normal, but instead of using it like that, put the original, unkeyed footage into the yellow input of a MatteControl. Put the keyed footage into the green input of the MatteControl. Change the Combine control to Combine Alpha. That will substitute the key's alpha channel for the solid alpha of the plate. Tick the Post Multiply Image checkbox to apply the alpha to the image.

Next, switch to the Spill tab. Select the color of your screen (green in this case). Push Spill Suppression all the way to 1.0, then check the different Spill Methods to see which one gives you the best spill removal with the least amount of discoloration. Then adjust the Spill Suppression slider again until you get the result you want.
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Bryan Ray
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