Ubuntu下安装OpenCV2.4.9

1. 依赖包安装
   sudo apt-get update
   sudo apt-get install build-essential
   sudo apt-get install libgtk2.0-dev libavcodec-dev libavformat-dev libtiff4-dev libswscale-dev libjasper-dev
   sudo apt-get install cmake
   sudo apt-get install pkg-config

2. 解压opencv
   unzip opencv-2.4.9.zip
   cd opencv-2.4.9
   mkdir release
   cd release
   cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local ..

3. 编译
   make -j4
   sudo make install

4. 配置
   echo “# Use OpenCV and other custom-built libraries.” >> ~/.bashrc
   echo “export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/” >> ~/.bashrc
   source ~/.bashrc

sudo ldconfig -v

sudo gedit/etc/profile
新增 export PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig

1. 测试
   cd opencv-2.4.9/samples/cpp
   g++ edge.cpp -lopencv_core -lopencv_imgproc -lopencv_highgui -o edge
   ./edge