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Old March 29th, 2010, 10:49 AM   #1
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Ipod commercial "Silhouette look"

I'm shooting a music video in a couple of weeks and had a quick question.

Im sure you're all familiar with the Ipod commercials.
YouTube - iPod Ad - Walkie Talkie Man

Is there any way to achieve Silhouette look without using green screen, which I'm assuming they do? I would assume use some type of solid white screen in front of the subject and use a back light and fill light behind the screen? Would I want a light pointed directly at the screen instead of a fill light?
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Old March 29th, 2010, 09:13 PM   #2
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I would shoot it silhouette on a white backdrop, then use After Effects or Motion to swap the black and white channels for whatever color you're looking for. In Motion, this is called "Colorize".
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Old March 31st, 2010, 09:27 PM   #3
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The technique is simpler than you're thinking.

ANY background that is DIFFERENT from the foreground dancers will work fine.

It's the difference that's critical.

A solid white background works because unless the dancers wear white - EVERYTHING about them is "darker" than the background. So a key using the LUMA values will "cut them out" of the picture.

A solid color also works (chroma keying) for the same reason.

Once the computer can figure out the DIFFERENCE between the dancers and the background - and you separate that difference into LAYERS using the keying software - you can apply any kind of color or pattern effect you like to the global "cut outs."

Good luck.
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Old April 11th, 2010, 08:02 AM   #4
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Light the background, don't light the foreground. Simple.
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Old April 11th, 2010, 09:54 AM   #5
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But selective parts of the foreground... ipod, cord, the star on the last dancer's shirt... are either brightly or dimly visible. I don't know that simply lighting the background is what the OP is looking for.
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Old April 11th, 2010, 03:32 PM   #6
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I assumed the iPod doesn't feature in the OP's music vid, he only asked how to create a silhouette. Just add fill if you want foreground detail.

There are tutorials all over the net for how to mimic the iPod commercials using displacement mattes and other techniques.
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