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debangshu_0944
Participant
Sep 23, 2025 2:13 PM UTC
Question

how do i track this footage?

okay so i have this footage of a green screen which I want to track but failing. btw this is an AI generated clip. 

I tried Mocha AE to track the screen but the surface distorts after a while even when using points mainly because i didn't use markers, any suggestions?

This is what i am getting everytime. 

Footage in question 

2 replies

Warren Heaton
Community Expert
Warren HeatonCommunity Expert
Community Expert
Sep 24, 2025 12:35 AM UTC

Hi @debangshu_0944:

Did you find Mocha AE tutorials?  When you're in Mocha AE, they're under Help > Video Tutorials.

Introduction to Mocha AE (bundled with After Effects) covers mobile phone screen replacement.

              Introduction to Mocha AE (bundled with After Effects) borisfx.com          

What makes your shot a little more advanced is that the lower portion of the phone screen goes out of frame, but since Mocha is a planar tracker it should be able to account for that.


- Warren

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    Community Expert
    John V KnowlesCommunity Expert
    Community Expert
    Sep 24, 2025 5:47 AM UTC

    Yes, Warren is on it. Most likely when you aligned the surface plane in Mocha (blue box) you did not account for the bottom corners of the screen. If you get a good track in Mocha (despite the screen running off the bottom) then your aligned corners shoudl move with it.

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