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Keying flyng bats

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Jackie BrownKeying flyng bats
by on Mar 13, 2010 at 2:26:45 am

Hello there, I have footage of a profusion of bats flying against a cloudy sky with patches of blue.I would like to extract them and superimpose them over a less complicated sky. Does anyone know a way of doing this in AE? The bats are quite dark against the sky, so hopefully it is possible. Jackie

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Joey ForemanRe: Keying flyng bats
by on Mar 13, 2010 at 4:25:13 am

See what kind of results you can get by tweaking the controls of a Luma Key.

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Greg RobbinsRe: Keying flyng bats
by on Mar 15, 2010 at 2:52:43 am

Try multiple color keys/keylights. One for each color (the blue sky and the white clouds).

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Matthew WoodsRe: Keying flyng bats
by on Mar 15, 2010 at 3:53:20 pm

For things like this, I sometimes find it is easier to desaturate, then use levels controls to get a good mask, then use that as a luma track matte with either the original footage, or a black solid.

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