Installation af OpenCV
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OpenCV installation for Ubuntu 12.04 To install OpenCV 2.4.2 on the Ubuntu 12.04 operating system, first install a developer environment to build OpenCV.
sudo apt-get install build-essential cmake pkg-config
Install Image I/O libraries
sudo apt-get install libjpeg62-dev libtiff4-dev libjasper-dev
Install the GTK dev library
sudo apt-get install libgtk2.0-dev
Install Video I/O libraries
sudo apt-get install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev
Optional - install video streaming libraries
sudo apt-get install libdc1394-22-dev libxine-dev libgstreamer0.10-dev
libgstreamer-plugins-base0.10-dev
Optional - install the Python development environment and the Python Numerical library
sudo apt-get install python-dev python-numpy
Optional - install the parallel code processing library (the Intel tbb library)
sudo apt-get install libtbb-dev
Optional - install the Qt dev library
sudo apt-get install libqt4-dev
Now download OpenCV 2.4.2 to wherever you want to compile the source.
mkdir xxx
cd xxx
wget <a href="http://sourceforge.net/projects/opencvlibrary/files/opencv-unix/2.4.2/OpenCV-2.4.2.tar.bz2">http://sourceforge.net/projects/opencvlibrary/files/opencv-unix/2.4.2/Op...</a>
tar -xvf OpenCV-2.4.2.tar.bz2
Create and build directory and onfigure OpenCV with cmake. Don't forget the .. part at the end of cmake cmd
cd OpenCV-2.4.2
mkdir build
cd build
cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local
-D WITH_TBB=ON -D BUILD_NEW_PYTHON_SUPPORT=ON -D WITH_V4L=ON
-D INSTALL_C_EXAMPLES=ON -D INSTALL_PYTHON_EXAMPLES=ON
-D BUILD_EXAMPLES=ON -D WITH_QT=ON -D WITH_OPENGL=ON ..
Now compile it
make
And finally install OpenCV 2.4.2
sudo make install