FaceTrack is a sample Windows application that demonstrates the face tracking, landmark tracking,
and 3D mesh tracking features of the NVIDIA AR SDK. The application requires a video feed
from a camera connected to the computer running the application, or from a video file, as specified
with command-line arguments (enumerated by executing: FaceTrack.exe --help). 

The sample application can run in 3 modes which can be toggled through the '1', '2' and '3' keys on 
the keyboard
1 - Face tracking
2 - Facial landmark tracking
3 - 3D mesh tracking

For more controls and configurations of the sample app, please read the SDK programming guide.