Chapter 8. Effective Motion Tracking
Even if you're on the right track, you'll get run over if you just sit there.
The After Effects tracker is a semi-automated solution for two-dimensional match moving and stabilization. Set up correctly, it allows you to click a button and get a result more refined than anything you could ever animate by hand. It can save you piles of time, too, such as the several months I spent hand match moving shots for Rebel Assault II using After Effects 2.0, which had no motion tracker whatsoever. It wasn't added until version 4.0, allowing me to learn everything I know ...