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Green Screening

Posted: Sun, 22nd Aug 2004, 10:03am

Post 1 of 16

Tobias Langbein

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Hallo,
Are there any tutorials for Greenscreening? Not the basics....i`m looking for advanced techniques or something.
Posted: Sun, 22nd Aug 2004, 10:18am

Post 2 of 16

Waser

Force: 4731 | Joined: 7th Sep 2003 | Posts: 3111

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SuperUser

you can find a great wealth of all sorts of greenscreen and chromonator tricks here:

http://fxhome.com/support/tutorials/list.php?cat=1
Posted: Sun, 22nd Aug 2004, 11:15am

Post 3 of 16

Tobias Langbein

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Ok Thanks. Look at my shots (original footage + composite)
i don`t know how to improve the keying and can someone
tell me how do improvie the composite itself? (darker actor, perspecitve....)
ORIGINAL FOOTAGE

COMPOSITE
Posted: Sun, 22nd Aug 2004, 2:59pm

Post 4 of 16

theone

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as i see from here you can't seem to improve the keying much more, as it's allready a great key.
Posted: Sun, 22nd Aug 2004, 3:03pm

Post 5 of 16

Evman

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very nice, even greenscreen. now you just need to light your screen and actor seperately, and it is always nice to have a back light behind your actress.
Posted: Sun, 22nd Aug 2004, 4:53pm

Post 6 of 16

Tobias Langbein

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thanks but i`m not lucky with the results. Look at this "real" TFT left of the Actress. There are some unsharp artefact round it. Is there a way to improve the results?
Posted: Sun, 22nd Aug 2004, 5:11pm

Post 7 of 16

Rawree

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If it's not goin to be moving that much/at all then you could mask around it.
Posted: Sun, 22nd Aug 2004, 6:49pm

Post 8 of 16

rmw

Force: 2532 | Joined: 2nd Feb 2002 | Posts: 609

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Just colour correct your greenscreen footage alittle so it matches the backround and put a mask around the LCD screen to get a nice edge (if the camera isnt moving)
Posted: Mon, 23rd Aug 2004, 4:36am

Post 9 of 16

jmill8886

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that was done in chromanator ? sweet stuff
Posted: Mon, 23rd Aug 2004, 9:35am

Post 10 of 16

Tobias Langbein

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I`ve buyed chromi for this....but i`m not sure how it looks when the movie is complete. We`ll show it at Cinema in our town like our last movie. but in the last movie there were no Green/Bluescreen scenes.
Hope i can improve it a little more. i will post it when i`m done.
Posted: Mon, 23rd Aug 2004, 9:42am

Post 11 of 16

Simon K Jones

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FXhome Team Member

In Chromanator, try adjusting the black point on the colour diff. key. This should harden the edge.

On another note, I'm glad to see a good quality greenscreen for once!
Posted: Mon, 23rd Aug 2004, 5:06pm

Post 12 of 16

Tobias Langbein

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Í think thats why we used professional Material and a clean lightning.
I`ve got some bluescreen clips on my HD but i can`t key them with chromi. They`ve a relly bad lightning. Maby i find a way to key them with Chromanator.
Posted: Mon, 23rd Aug 2004, 5:10pm

Post 13 of 16

Simon K Jones

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FXhome Team Member

If you upload a movie that has just a couple of frames of the bad bluescreen clip, I could take a look for you and give you some tips, if you like. Or let you know if it's impossible. smile
Posted: Tue, 24th Aug 2004, 8:33am

Post 14 of 16

Tobias Langbein

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@tarn

ok i`ve upped a small clip. (3,90 MB) Indeo5.0 compressed.
http://www.vision-unlimited.de/download/badblue.avi
Posted: Tue, 24th Aug 2004, 11:04am

Post 15 of 16

Simon K Jones

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FXhome Team Member

Right, I've keyed that clip you uploaded, and it came out fairly well. It should be easier when working with the unoriginal uncompressed video, rather than the Indeo codec.

I've uploaded a preset with my key settings:

http://tarn.fxhome.com/TobiasKey.tool_preset

You can import it from the Preset screen and load it like you would any other preset. As I say, it works well for the clip you uploaded; you may need to adjust it to work with the original.

The trick, as you'll see once you've checked out the preset, is in the key grade settings.

Let me know how it goes.

Last edited Thu, 26th Aug 2004, 4:23pm; edited 1 times in total.

Posted: Tue, 24th Aug 2004, 1:28pm

Post 16 of 16

Tobias Langbein

Force: 0 | Joined: 6th Oct 2002 | Posts: 17

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Thanks for the preset. I know that a compressed avi isn`t good for compositing but for uploading smile

We are working with uncompressed AVI or DV-AVI. but i`m not sure what scan method works better.

Now i will test your preset.