What is 2d tracking and 3D tracking?
2d tracking is used where you will only need to 2 coordinates, X and Y. 3D tracking “allows you to composite a 3D object into a scene, including rotation around that object .
What is 3D tracking used for?
3D tracking technology provides that needed detailed view by digitizing, formatting, and enabling visualization measurement data. Positional movement of the optical navigation marker or EM sensor can be tracked on the X, Y and Z axes of a 3D coordinate system.
What is 2d tracking in VFX?
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.
What is 2D tracking explain the types of 2D tracking?
The 2D tracking relies on appearance models which are image templates. New appearance models are created when an object enters a scene. In every new frame, each of the existing tracks is used to try to explain the foreground pixels.
What is a 3D tracking camera?
The 3D camera tracker effect analyzes video sequences to extract camera motion and 3D scene data. The 3D camera motion allows you to correctly composite 3D elements over your 2D footage.
What is 3D tracking VFX?
VFX is basically the integration of 3D elements into real-world footage. For instance, Hulk in the Avengers or Optimus Prime in Transformers. To make this accurate and appear as if these 3D models are living alongside the actors, you need a virtual camera that moves exactly like the camera in the live action footage.
How do you track a 3D camera?
Analyzing footage and extracting camera motion
- Choose Animation > Track Camera, or choose Track Camera from the layer context menu.
- Choose Effect > Perspective > 3D Camera Tracker.
- In the Tracker panel, click the Track Camera button. The 3D Camera Tracker effect is applied.