There is some python-opencv demo and tutorial.

• How to calibration camera.

• Object detection by OpenCV

• qrcode.py: Identify QR code and barcode.

• multi_color.py: Identify colors and label them.

• file_scaner.py: Scan files.

• ArUco_marker_detection.py: ArUco marker detection.

Info.plist in order for Mac to have permission to turn on the camera.