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Remove a static background using the differences in the shot

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Florian Schneider
Remove a static background using the differences in the shot
on Nov 9, 2018 at 10:06:26 pm
Last Edited By Florian Schneider on Nov 9, 2018 at 10:42:20 pm

Hello creative people,

I’ve been thinking of a way to remove a moving subject from his background without rotoscoping.
Knowing that in my case, there isn’t any greenscreen.
More important though, knowing that i’m talking about shots with a static camera.

Is there a way in Adobe After Effects to tell the software :
- This is the shot of the background with the subject
- This is the same shot with the background only. Without the subject
- Pease (yeah I know, I’m polite with my softwares), AE, could you put out the subject from the first shot using the differences between the two shots ?

It seems so easy said this way. So easy that I would be surprise that such a feature doesn’t exist, right ?

PS: When I was a kid, I remember using my webcam with a software that could remove the background from me using this technique
The method was simple : I had to push a button, get away from my background for 5 seconds and then the background was gone once I was back in front of my webcam ! As simply as this.

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