Raspberry Pi is a wonderful hardware platform for image processing, computer vision, and machine learning algorithm. In this video, we explain how to install OpenCV on the raspberry pi platform.
use 'pip install opencv-python' or 'pip install opencv-contrib-python' to install opencv. After installation check
by 'import cv2'. If you got the error of libqt4-test then install libqt by following commands:
sudo apt install libqtgui4
sudo apt install libqt4-test