Keying 2 shades of green in FCP6 at DVinfo.net

James Collins · May 24th, 2009, 03:22 PM

I have taken some video of me against a green screen and have managed to key out most of it, apart from a section in between my legs, which was caused by a shadow. The shadow is much darker green than the rest of the screen.

Any suggestions for getting rid of this? Is it possible to save the video, re-import the 'almost keyed' version and then key it again for the new shade of green?

James Brill · May 25th, 2009, 08:55 AM

Most definitely. I pull multiple mattes a lot in After Effects for this reason. I would export a quicktime reference to save space however. Never key'd in FCP but can't you do multiple keying effects?

Cole McDonald · May 25th, 2009, 09:20 AM

You could add a second chroma keyer to it focusing on the second shade of green.

Tim Dashwood · May 25th, 2009, 11:04 AM

In FCP6 you can do multiple shades with a single Chroma Keyer. Just hold down option when you use the eyedropper to add other shades of green to the original eye dropper selection.

May 24th, 2009, 03:22 PM	#1
James Collins Regular Crew Join Date: May 2009 Location: UK Posts: 59	Keying 2 shades of green in FCP6 I have taken some video of me against a green screen and have managed to key out most of it, apart from a section in between my legs, which was caused by a shadow. The shadow is much darker green than the rest of the screen. Any suggestions for getting rid of this? Is it possible to save the video, re-import the 'almost keyed' version and then key it again for the new shade of green?

May 25th, 2009, 09:20 AM	#3
Cole McDonald Trustee Join Date: Nov 2005 Location: Sauk Rapids, MN, USA Posts: 1,675	You could add a second chroma keyer to it focusing on the second shade of green. __________________ Web Youtube Facebook

May 25th, 2009, 11:04 AM	#4
Tim Dashwood Wrangler Join Date: Aug 2005 Location: Toronto, ON, Canada Posts: 3,637	In FCP6 you can do multiple shades with a single Chroma Keyer. Just hold down option when you use the eyedropper to add other shades of green to the original eye dropper selection. __________________ Tim Dashwood

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May 25th, 2009, 08:55 AM	#2
James Brill Major Player Join Date: Aug 2007 Location: Goleta, CA Posts: 299	Most definitely. I pull multiple mattes a lot in After Effects for this reason. I would export a quicktime reference to save space however. Never key'd in FCP but can't you do multiple keying effects?