Build OpenCV with Qt Creator on Windows

Follow the listed tutorials one by one, in general there are steps to follow

1. make sure you download the right version for both OpenCV and Qt library

2. extract OpenCV and install Qt with Qt Creator on your computer

3. set environment variable:

QTDIR = C:\Qt\5.1.0,

QMAKESPEC = win32-msvc2010 (not sure with this),

Path = C:\Qt\Qt5.1.0\5.1.0\mingw48_32\bin; C:\Qt\Qt5.1.0\Tools\mingw48_32\bin

2. install CMake with “set environment variables for all user”

3. build OpenCV in CMake

4. use command prompt to install opencv with MinGW

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