OpenCV (open source computer vision) is released under a BSD license and hence it’s free for both academic and commercial use. It has C++, C, Python and Java interfaces and supports Ubuntu Linux. OpenCV was designed for computational efficiency and with a strong focus on real-time applications.
Installation
OpenCV with Qt C++ Examples (Showing Image)
qt eaxmple
But you can use Qt to your advantage: Qt has an build system named qmake which make things easier. For instance, when I want to compile main.cpp I create a main.pro file. For educational purposes, let's say this source code is a simple project that uses only
QApplication andQDeclarativeView. An appropriate .pro file would be:TEMPLATE += app
QT += gui declarative
SOURCES += main.cpphttp://stackoverflow.com/questions/8995399/error-qapplication-no-such-file-or-directory
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