Nuke 101: Professional Compositing and Visual Effects, Second Edition

10. Camera Tracking

Nuke 6.0v1 introduced the much-anticipated Camera Tracker. In Nuke 8.0v1 the Camera Tracker got a serious update. The Camera Tracker enables Nuke to extract the camera location and movement from a moving shot. It uses a lot of tracking points, also called features, which are usually generated automatically, though manual tracks are possible too. Then, through calculations of the parallax movement of different planes, it can extract the camera information, which includes its location and rotation on every frame as well as its field of view (parallax is explained in the following note). The tracking points used to create the camera information form a point cloud, a representation in 3D space of the location of each of these ...