How can I extract and "flatten" tracked footage so I can work with it directly in 2D?

#1

I feel like what I’m looking for is relatively simple, I’m just having trouble articulating what it is.

For the project I’m working on, I need to be able to go up to the wall, touch it, then have an effect based off my hand’s imprint. Here’s a very crude example of what I’m going for using rotobrush and Mocha:

//youtu.be/HupKQQnfyPQ

However I want to be able to pull that 2D plane where the hand is touching so I can apply the follow effect to the wall:

//youtu.be/-MReqQXYnBc

The effect relies on Classic Color Burn so I need that tracked plate to work with. Is there a way for After Effects to project that tracked plane in 2D?

#2

Ended up doing the planar tracking in Nuke then exporting the inverted, or stabilized, corner pin footage over to After Effects.

#3

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