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[Keying] Keying a powdered sugar sifter, tips please :)

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Gerold Brunner[Keying] Keying a powdered sugar sifter, tips please :)
by on Jul 23, 2015 at 3:58:33 pm

Hey guys,

I have got to key footage with a pretty much reflecting powdered sugar sifter.
The footage can be remade, if you have any suggestions.

Do you have any tipps for me?
I'm pretty new to keying^^



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John CuevasRe: [Keying] Keying a powdered sugar sifter, tips please :)
by on Jul 23, 2015 at 4:51:14 pm

That is going to be really tough. First, when you shoot, move the sifter farther away from your green, you are apt to get less reflections. Also, check out this tutorial The Portal, from Andrew Kramer, starting around 5 minutes into it. He uses a pretty good technique for isolating green spill and removing it from your footage using keylight. I think it would help out a lot in getting the green off the sifter in your situation.

Johnny Cuevas, Editor
ThinkCK

"I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work."
---THOMAS EDISON on inventing the light bulb.


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chris brettRe: [Keying] Keying a powdered sugar sifter, tips please :)
by on Jul 23, 2015 at 5:21:58 pm

Hi -- looks like its only the side thats a real problem so might be worth doing a test where you knock back the reflectivity with matt spray or matt varnish --- if the product still looks ok that might solve a lot of problems

Also if the product doesnt have any complex movement ( hand holding upright enters frame and then out again say ) then it might be practical to garbage matte it if keying problems persist...

Also - it depends what you are keying it over ---- green grass might solve a lot of problems ! ! :)


------------------------------------------- chris


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Richard HerdRe: [Keying] Keying a powdered sugar sifter, tips please :)
by on Jul 23, 2015 at 9:05:34 pm

The Rotobrush is now your friend. :)


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Dave LaRondeRe: [Keying] Keying a powdered sugar sifter, tips please :)
by on Jul 24, 2015 at 1:26:15 am

What kind of camera will you use? What will be the codec of the footage? With tiny little particles to shoot, it could make a big difference in your success.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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