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Registered
Join Date: Nov 2003
Location: secure undisclosed locationville
Posts: 24,493
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alpha channel is part of it. they use motion tracking in after effects. pick out a couple markers in the real world. the computer identifies them, and lays an image down relative to their position. it even adjusts for perspective.
at least i think that's what you're talking about.
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1971 R75/5
2003 R1100S
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