3rdparty libs comprehension question

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Hi!

I built OpenCV 2.4.3 with CMake and Visual Studio 2010 and everything worked fine. When I finally run the 'INSTALL' project, dll, libs and include files are copied to the respective destination folder.

Howerver, in the openCV solution file there also exist an 3rdparty folder including IlmInmf, libjasper, libjpeg, libpng, libtiff and zlib projects, which are additionally compiled but not copied to the installation folder. So I was wondering if i have to copy them manually or if their functionality is already included in the opencv libs?

greetings!