The complete data set is applied to the viewport of the employed render engine to create the same perspective asa real camera. This significantly improves the matching quality between real and computer-generated images.
Unity camera tracking plugin free camera tracking data plugin for Unity Game Engine
With this camera tracking plugin, all our camera tracking systems are connected to the Unity Game Engine. The Unity camera tracking Plugin provides Unity with all camera parameters, in addition to the position and orientation of your camera, as well as the parameters of the lens, such as the field of view or the distortion parameters. Please ask us about your free version.