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contract camera movement

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ali brakat
contract camera movement
on Jun 10, 2018 at 2:35:29 pm

Hi,
I have a shot with camera banning like this one
https://www.shutterstock.com/video//clip-5945381-virginia---october-2008-ep...
now if I track the camera in 3d and want to use that tracking info to contract the camera movement so instead of the null following the point it fixes that point by moving the clip

the purpose of this is to compose it in another clip so I want to get rid of the camera movement
any ideas?


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Kalleheikki Kannisto
Re: contract camera movement
on Jun 10, 2018 at 3:49:33 pm

You don't need to get rid of the camera movement to compose with another clip. You can track the camera motion and then make the composited layer(s) follow the tracking data.

Kalleheikki Kannisto
Senior Graphic Designer


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ali brakat
Re: contract camera movement
on Jun 10, 2018 at 4:14:43 pm

I don't want to track an element into the clip but I want to use the clip itself as an element in my comp
https://ibb.co/dimGSo
the movement of the background makes the blend visible and I can't key it properly to be completely visible without a rotoscope which what I am trying to avoid :)


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Daniel Waldron
Re: contract camera movement
on Jun 11, 2018 at 1:43:54 pm

So you want to stabilize the shot of the soldiers and composite it onto the other shot? To stabilize a shot in After Effects, you can use the Stabilize Motion button in the Tracker. Or you can track a point using the Track Motion button (or points), apply the track to a null object, and parent your layer to that null.

However, in the panning shot you showed, there is only a small part that is in both the beginning frame and end frame. Taking out the motion would involve zooming in probably over 500%, which would make the shot unusable in many ways.


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