Mailing List AE-List@media-motion.tv ? Message #53014
From: David Torno <torno@sydefxink.com>
Subject: Re: [AE] Motion tracking
Date: Tue, 25 Feb 2014 07:46:39 -0800
To: After Effects Mail List <AE-List@media-motion.tv>
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Depends on the camera being used. Drone recorded footage is VERY shaky, unless stabilized via a camera rig, not a post process. If a GoPro or CMOS chip camera is used, then rolling shutter becomes a huge issue. Given how intense a drone shakes, you can end up with a very warbled image that makes proper 3D tracking impossible. It's like tracking a funhouse mirror, no object is a reliable track point due to the constant rolling shutter warping. Clean stable image = clean post work.

David Torno
Technical Director
O: 213.739.2290
C: 818.391.6060
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"The most useless day is that in which we do not laugh"
-Charles Field

On Feb 25, 2014, at 3:33 AM, Anthony Clifford <anthony@sensia-media.nl> wrote:

Helle people,

I will start a exciting motion tracking assignment in a week.

The footage will be shot by a Drone. We will film a large open field where
there eventually be 3D buildings.

So some motion tracking and some 3D work.

Would the 3D camera tracker inside of AE be sufficient or should I try an other one?

And do I need tracker markers on the field?

I am new at this and every tip is very welcome.

Cheers,
Anthony




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