From the course: After Effects Apprentice: 12 Tracking and Keying

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Perspective tracking overview

Perspective tracking overview - After Effects Tutorial

From the course: After Effects Apprentice: 12 Tracking and Keying

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Perspective tracking overview

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- [Instructor] Next, we are going to tackle a more difficult tracking assignment, a corner pin track, where we need to track four objects in screen all at the same time. If you have access to the Exercise Files, in the Comps folder, open up 04-Corner Pin*starter. I am going to RAM Preview this quick. What we have is a computer in an MRI facility, and let's say for some reason we wanted to replace that display. In this case just tracking one object isn't going to be good enough, because there is some slight perspective shift during the course of this shot. Therefore, we're going to need to perform some type of perspective track where we are looking at the corners of the screen individually so that we can warp a brand new layer to fit the perspective of this original display. I'll stop my Preview. Fortunately, the woman does not move in front of the monitor at any point of this shot, so we can pick anywhere to begin. I am going to go ahead and just for fun pick the end of the shot, just…

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