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How to make yourself have a chroma key suit.

Posted: Fri, 18th Jul 2008, 8:07pm

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0 0 0TheDirector0 0 0

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Rating: -3

This will teach you how to make yourself have a chroma key suit with Clab or Vlab.

NOTE: you do not need to have a chroma suit on during your video. Thats the whole point in this tutorial is to not have a chroma suit but make yourself look like you have one!


1. Import your video with you in front of a green screen to CLab or Vlab like you would normally do.

2. Drag you clip to the timeline

3. Now click the video and go to Matte:KeyGrade: and import a Hue Shift filter.

4. On the Hue Shift filter the settings should look like this.
Absol. :308.77
Relative :308.77
Turns :0.86
Strength : 100

You will notice a slight difference but nothing close to a chroma key suit yet.

5. Now go to Matte:KeyGrade: and import the Color Balance filter.

6. Options for color balance should look like this
Red :0.00
Green :2.00
Blue :0.00

Instantly you will notice your green screen is a very strong chroma green...and so is your body! You have just made a chroma key suit. To have one chroma suited object, and one not, just do some copying and masking. If you may notice, the hue shift may not make much of a difference depending on the object in front of the green screen. A light person with brown hair for example should not have the hue shift on because it makes the hair darker, and it is not as green. To check to see if hue shift makes a difference, turn it on and off and move it around to see if you can get a better result. If not, then just delete it.

This is not as easy to do as using a real chroma suit for sure because it is very difficult and time consuming to have to mask and copy to get some items chroma suited, and some not. It saves money, but not time. Please reply!
Posted: Fri, 18th Jul 2008, 8:27pm

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uhh

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WOW thats so cool!!! You just saved me $100 bucks!


[Moderators Note: this is Director posting on his own thread from another account]
Posted: Mon, 21st Jul 2008, 8:40am

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Simon K Jones

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I don't really understand this...what's the point? Doesn't it just end up making the whole screen green?
Posted: Mon, 21st Jul 2008, 8:46am

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Joshua Davies

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Erm, what? smile
Posted: Mon, 21st Jul 2008, 6:29pm

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0 0 0TheDirector0 0 0

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Yes, it makes it appear like you have a chroma key suit.
Posted: Tue, 22nd Jul 2008, 8:26am

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Simon K Jones

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Why, though? And wouldn't it just turn the whole screen green?

Can you upload some images or video examples of what exactly you're doing here, because I'm having trouble getting my head around it. razz
Posted: Tue, 22nd Jul 2008, 1:23pm

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SGB

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You seem to be saying that you want to make the entire screen green, including the character, and then remove the greenscreen around him using manually rotoscoped masks. This doesn't make any sense, and defeats the purpose of using a greenscreen in the first place. It would be much easier to first key the footage, removing the green, and then grade the remaining subject as you mentioned. You could do this in probably 5 minutes.

Its also interesting that someone who joined on the same day that you posted this and replied twenty minutes after you posted this both understood what you were talking about and found the information useful, while two of the FXhome staff members couldn't understand what you were talking about. Seriously, don't do that.
Posted: Tue, 22nd Jul 2008, 1:28pm

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Simon K Jones

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SGB wrote:

Its also interesting that someone who joined on the same day that you posted this and replied twenty minutes after you posted this both understood what you were talking about and found the information useful, while two of the FXhome staff members couldn't understand what you were talking about. Seriously, don't do that.
Hehe, well spotted. By an AMAZING coincidence, 'uhh' and 'The Director' also happen to have exactly the same IP. Oh deary me.
Posted: Tue, 22nd Jul 2008, 2:16pm

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B3N

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I want pictures!
Posted: Tue, 22nd Jul 2008, 8:03pm

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Plainly

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PICTARZ!

W00t. OK, so here it goes.

This is the clip I'll use of myself in front of a greenscreen.



Better resolution, though.

Anyway, I then added the Hue Shift keygrading and this is what I got:



And after the colour balance filter:


Which gives us problems in what used to be a very strong blue, for it'll key out with the background, but I'll proceed anyway.

Oh! But I'm done. OK then, well, here is my final output, after masking my legs out:



I think I might have done something wrong. *confused* You're sure you didn't mean that we should simply GRADE this, not KEY grade, like previously said?

This is what I was able to get by doing just that:



biggrin

Plainly
Posted: Wed, 23rd Jul 2008, 8:45am

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Xcession

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Awesome! I want all my actors' skintones changed to a green hue!
Posted: Wed, 23rd Jul 2008, 8:47am

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Simon K Jones

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Token green man.
Posted: Wed, 23rd Jul 2008, 3:53pm

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No Respite Productions

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WOW thats so cool!!! You just saved me $100 bucks! wink
Posted: Mon, 28th Jul 2008, 3:19pm

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IPresents

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You could just click Invert on the Chroma Keying....