I’m currently working a bit on Animabot’s software (Raspberry Pi side). I developed a small application for the Head Tracking which will be used on the robot. The application is developed in Python and using TkInter for the GUI. The software is using the standard Face Detection from OpenCV.
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/tutorials/show/simple-head-tracking-with-opencv