1st approach: Detecting empty and occupied parking lots using Mask-RCNN
2nd approach: Detecting empty and occupied parking lots using OpenCV libraries
You can see the output which performed on the Sapienza University parking space from the following link: https://drive.google.com/file/d/1ZY_rWb5SuLvvFdR-yDpaeT_TdK6BJ1fP/view?usp=sharing