This project is very cool. Did you ever heard about a smart table football? Well... now this is possible!! You only need an arduino, a raspberry, a cam module, 2 ultrasonic sensor, and a looooot of will.
--------------WORK IN PROGRESS--------------
we are a lazy and always late ("NOT QUITE MY TEMPO 💪") group
Our program is like a dog: it looks at ball...and it loves the ball.