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Object (stain) removal on door with zoom and shadows crossing

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Gates Bradley
Object (stain) removal on door with zoom and shadows crossing
on Jul 19, 2019 at 11:33:48 pm

A little embarrassed– the shot seemed easy enough, but it's really throwing me for a loop. There is a bloodstain on an elevator door that needs to be removed. However the shot is a dolly push in and the character crosses the stain, casting a complex shadow across it.

Can anyone better experienced chime in on some technique? It's mainly the shadow that makes it so tricky.

Here is a link to the clip.







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Gates Bradley
Re: Object (stain) removal on door with zoom and shadows crossing
on Jul 20, 2019 at 1:54:22 am

It wasn't quite as bad as I thought – I was even able to avoid tracking. I roto'd the character whenever he crossed the stain, masked out the stain throughout. I duplicated that base layer and slid it behind the mask, aligning the top the door. I applied a simple level to match color, and then for a shadow, put a BW gradient on a solid over the fill layer, rotated it to match the angle of the shadows in the scene, and the keyed the position to match the shadow going across. I messed with opacity of the shadow to further integrate.

Whew! Hope this helps some noob like me sometimes.


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