OpenCV 4.0 - OpenCVAfter almost 3.5 years since groundbreaking 3.0 release, we are glad to present the first stable release in the 4.x line. Release highlights: OpenCV is now C++11 library and requires C++11-compliant compiler. Minimum required CMake version has been raised to 3.5.1.A lot of C API from OpenCV 1.x has been removed.Persistence (storing and loading structured data to/from XML, YAML or JSON) in the core
