OpenCV 4.3.0 Raspbian Package for Python 2 and 3 optimized running on Raspberry PI 4B

Installation Step

wget https://github.com/cyysky/OpenCV-Raspberry-Pi-4-Package-for-Python/releases/download/4.3.0/opencv_4.3.0-1_armhf.deb

sudo dpkg -i opencv_4.3.0-1_armhf.deb # This will install fail for dependency

sudo apt-get -f install # Auto install dependency package

sudo dpkg -i opencv_4.3.0-1_armhf.deb # Now start install

sudo apt-get install tesseract-ocr # Optional : tesseract-ocr