Translates headposes of viewers into a heat map.

Head-pose detection adapted from [1]

TODO:
- Camera calibration [2],[3]
- Calibrating sequence for the screen/projection
- 

[1]: https://www.learnopencv.com/head-pose-estimation-using-opencv-and-dlib/
[2]: https://docs.opencv.org/2.4/modules/calib3d/doc/camera_calibration_and_3d_reconstruction.html
[3]: https://docs.opencv.org/2.4/doc/tutorials/calib3d/camera_calibration/camera_calibration.html


# Install:

`wget http://dlib.net/files/shape_predictor_68_face_landmarks.dat.bz2`