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How to track motion with warp stabilizer in After Effects

New Here ,
Aug 19, 2018 Aug 19, 2018

I have been trying to find a solution, but can't seem to find any. I want to apply warp stabilizer to a clip and then track motion, to avoid the jittery track. But as soon as I enter into the track motion, it reverts to the clip without warp stabilization on it, which gives a really jittery track. Also I am a complete aftr6 effects noon. So am I missing something here? Any way I could do what I want without having to render the stabilized footage and then track the motion? Thanks.

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correct answers 1 Correct answer

LEGEND , Aug 19, 2018 Aug 19, 2018

Why would you even want to do that? Applying the warp stabilizer synthesizes new sub-pixels, which at best results in a drifting 3D track, at worst in an unsolvable track because it mathematically no longer makes any sense when features magically teleport to different positions from frame to frame. It's simply a completely wrong workflow. You have to track the data first, do your VFX work, pre-compose everything and then apply whatever smoothing, be that using the inverse position data to compen

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Community Expert ,
Aug 19, 2018 Aug 19, 2018

Unfortunately Warp Stabilizer will not do both options at one time.

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LEGEND ,
Aug 19, 2018 Aug 19, 2018

Why would you even want to do that? Applying the warp stabilizer synthesizes new sub-pixels, which at best results in a drifting 3D track, at worst in an unsolvable track because it mathematically no longer makes any sense when features magically teleport to different positions from frame to frame. It's simply a completely wrong workflow. You have to track the data first, do your VFX work, pre-compose everything and then apply whatever smoothing, be that using the inverse position data to compensate or indeed applying the warp stabilizer then.

Mylenium

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New Here ,
Aug 24, 2018 Aug 24, 2018

What I want to do is track a piece of text to an object, but the track turns out jittery. So how would I go about tracking the text smoothly? I have tried warp stabilizing the footage and then rendering it out and then bringing it into after effects and then tracking the text onto  the stabilized footage which gives a much better track of the text. But isn't there a better option?

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LEGEND ,
Aug 24, 2018 Aug 24, 2018
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you can simply precomp the WS shot. Then use the tracking tool of your choice on the precomp. I had this shot where it was very jittery (phone screen replacement). Doing stabilizing smoothing first and then tracking proved to work just fine And even the track was much easier than working on the shaky shot. You can see here before and after of the phone shot in the car:

https://www.tzoref.com/smartag

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