Chapter 5. 2D Tracking
This chapter explains how to 2D track in Nuke. Tracking means following a group of pixels around from frame to frame and gathering their location on each frame. Tracking makes it possible to gauge how much movement is taking place from frame to frame. You can use this movement information either to cancel that movement out by negating it—called stabilizing—or to transfer that movement to another element, called match-moving. The way you track in Nuke is via (big surprise here) the Tracker node.
By 2D tracking, I refer to ...
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