OpenCV People Counting Program (Raspberry Pi Camera Module) Written By: Harrison Pace (2018)
Special Thanks to: Federico (fedemejia.com) - code is based on OpenCV Tutorials (available: https://fedemejia.com/?p=83)
Credits: Fedemejia https://fedemejia.com/?p=83, Adrian Rosebrock (https://www.pyimagesearch.com), OpenFrameworks (OpenCV) (https://openframeworks.cc/)