• General Tutorials

  • C, C++, Java
    • Follow this guide to compile everything, follow this guide to set it up with Eclipse
  • Python
  • JavaDoc for 3.1.0

• I/O

  • Converting BufferedImage to Mat

• Color detection

  • Tutorial and explanation using C
  • Colorspace in OpenCV

• Backend

  • CUDA and OpenCL backends exist

• Frontend

  • C++, C, Python and Java interfaces
  • Cross-platform

• Random stuff

  • Making versions 3.1.0 and 2.4.13 on macOS fails with the error QTKit/QTKit.h file not found
    • This appears to be due to a missing libary (QTKit), which has been deprecated by Apple since 10.9
    • This appears to be resolved by PR 7266, but no releases contain this update yet: use the latest version of branch master on GitHub for now.
  • On macOS, installing CMake from the provided default download does not install the cmake command.
    • On macOS, install CMake using Homebrew to remedy this
  • The Java components will not be built unless Apache Ant is installed and correctly configured
    • On macOS, the easiest way to install Ant is through Homebrew