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OpenCV 2.4.2 installation for Microsoft Windows®

Installation instructions for OpenCV 2.X software for Microsoft Windows® by Bernát Gábor on the OpenCV website are very good. Just click on the "OpenCV for Windows" link at the OpenCV downloads page http://opencv.org/downloads.html If you decide to compile the source code yourself, theOpenCV2.4.2 you should use the VC++ 2010 compiler under Windows. If you are using the Visual Studio 2012 IDE do not select the option to convert the project solution to the newer version. The VC++ 2011 compiler will generate lots of errors if you do.