How to install OpenCV 4 on Ubuntu - PyImageSearch

In this tutorial you will learn how to install OpenCV 4 on your Ubuntu system. OpenCV 4 has not been officially released yet; however, a release is expected in autumn 2018. In the meantime, we can compile and install OpenCV 4 from source using the pre-release on GitHub. Once OpenCV 4 is officially released I will update this blog post as well. So, why bother installing OpenCV 4? You may want to consider installing OpenCV 4 for further optimizations, C 11 support, more compact modules, and many improvements to the Deep Neural Network (DNN) module.