Re: suck on this, mother_loopers

[mark francombe <markfrancombe@gmail.com>]

a simple split screen used here i think... but for the geeks, theres
also a difference key. take a shot of the background ( an empty slate)
and when you superimpose you can subtract the elements In common.

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On 23 Nov 2011, at 21:28, Sylvain Poitras <sylvain.trombone@gmail.com> 
wrote:

> You could blue (green) screen this, but then you have all the lighting
> issues associated with the techniques (getting the background lighting
> to match with the composed elements) and likely some scaling issues
> (to say nothing of matching camera angles... I'm just not good enough
> to pull this off and be happy with the results.)
> It's probably easier to keep each "performer" in his own corner of the
> room and film everything with a fixed camera, running through the song
> all the way through for each performers, making sure to get adequately
> long footage with no one in the shot. Repeat for each camera angle.
> Then, in a software like adobe after effects, you layer each take on
> top of each other (the empty room on the bottom) and make a
> subtractive mask around the performers. If one performer is moving
> "behind" another, you'll have to animate the mask to obscure part of
> that performer.
> First time I saw something like this was in a Phil Collins video
> (anyone remember the song?).
> Sylvain
>