We provide OpenCV tutorials on how to utilize ubiquitous Computer Vision algorithms along with a general pythonic infrastructure and a rudimentary python game to test it. Your job is to implement a simple Natural User Interface engine.

1. The position of the head in the image
2. The orientation of both arms extended to the sides

You can assume the following:

• The captured scene is well lit
• The person's face is always showing
• The camera is physically stable
• The camera doesn't automatically alter exposure or gain
• The persons wears a shirt with short sleeves

Python 2.7.x with the following packages:

1. numpy
2. opencv-python (version 2.4.9 - 2.4.12)
3. pygame

The following packages:

1. ipython
2. jupyter
3. matplotlib

1. OpenCV Basics
2. Face Detection
3. Mean-Shift Tracking
4. Skin Detection
5. Blob Analysis
6. Background Subtraction

Read the exercise details here