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Luma Key Vs. Chroma Key with DVX100b

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andy schroeder
Luma Key Vs. Chroma Key with DVX100b
on Jan 9, 2009 at 10:05:16 pm

I'm doing some work now with pulling keys from footage I'm shooting with my DVX100b. I know DV is not the best for chroma key and have been doing all the research I can to make my keys look as good as they can.
My question is this: Since DV has problems with color compression, and pulling keys with clean edges, would I be better off shooting in front of a black screen, with my foreground subjects lit well and placed far enough away from the screen and then pulling a luma key for anything darker than a certain value?

Would this give me cleaner edges? Would it take less tweaking than a properly lit green screen shot with on DV?

BTW: Im pulling keys using Motion 3 and FCP 6, and I know there's better plug-ins, but for this job right now I have to use what comes stock (or free)

I appreciate any insight you have to offer.
Thanks,
Andy Schroeder
http://www.atomicfury.com


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Noah Kadner
Re: Luma Key Vs. Chroma Key with DVX100b
on Jan 10, 2009 at 3:13:37 am

It really depends on the shot. Personally I think it's almost impossible to get pro looking keys with FCP and Motion as they come in the box. They have decent built-in keyers but your footage has to be shot just perfectly to pull it out. I'd highly recommend finding a little $ in the budget and at least getting DV Matte Pro.

http://www.dvgarage.com/prod/prod.php?prod=dvmattefcp

with that you can do pretty good keys with DV.

-Noah


Check out My My FCP Blog and my new RED Blog. Unlock the secrets of the DVX100, HVX200 and Apple Color.
Now featuring the Sony EX1 Guidebook,
DVD Studio Pro and How to Light Interviews.
http://www.callboxlive.com


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andy schroeder
Re: Luma Key Vs. Chroma Key with DVX100b
on Jan 10, 2009 at 9:10:18 pm

Thanks for the advice, I'm eagerly awaiting your DVX DVD that I recently ordered.



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