Raspberry Pi/OpenCV
precompiled
sudo apt-get update sudo apt-get install python3-opencv sudo apt-get install libqt4-test python3-sip python3-pyqt5 libqtgui4 libjasper-dev libatlas-base-dev -y pip3 install opencv-contrib-python==4.1.0.25 sudo modprobe bcm2835-v4l2