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Screen tracking for replacement in mocha ae

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Natalia PokrovskayaScreen tracking for replacement in mocha ae
by on Aug 26, 2013 at 9:36:56 am

I have a scene with computer screens that need to be replaced. (video, 76 Mb:
Started tracking the left one in mocha ae:
- added a spline layer around the screen;
- another spline inside it;
- added another layer to track the man's head.
During the screen tracking eventually the track gets skewed (please see the screenshot, I adjust it, but when I get back to the beginning of the shot (where the track looked ok), it's all messed up! And so on, whenever I fix the start, the end gets wrong and vice versa.

This is my very 1st experience with mocha, tracking etc, so please explain like I'm five )
I watched tutorials, but I guess I'm missing some key points. What is the correct way to do all this?

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Todd KoprivaRe: Screen tracking for replacement in mocha ae
by on Aug 27, 2013 at 8:55:37 pm

You can get good mocha help here, from the people who make it:

Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog

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