Ubuntu14.04安装opencv2.4.9

1 下载opencv2.4.9
opencv / opencv
opencv-2.4.9.zip
ubuntu 14.04安装opencv2.4.9
Ubuntu14.04安装OpenCV2.4.9+测试

 1. unzip opencv-2.4.9.zip
 2. cd opencv-2.4.9
 3. mkdir release  
 4. sudo apt-get install build-essential cmake libgtk2.0-dev pkg-config python-dev python-numpy libavcodec-dev libavformat-dev libswscale-dev  
 5. cd release  
 6. cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local ..  
 7. sudo make install
 8. sudo sh -c ‘echo “/usr/local/lib” > /etc/ld.so.conf.d/opencv.conf’
 9. sudo ldconfig
 10. 添加 OpenCV 配置文件 opencv.pc 所在目录的绝对路径到~/.bashrc 文件中
export PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig
source ~/.bashrc

测试OpenCV

mkdir ~/opencv-lena
cd ~/opencv-lena
gedit DisplayImage.cpp

DisplayImage.cpp

#include <stdio.h>
#include <opencv2/opencv.hpp>
using namespace cv;
int main(int argc, char** argv )
{
  if ( argc != 2 )
  {
    printf("usage: DisplayImage.out <Image_Path>\n");
    return -1;
  }
  Mat image;
  image = imread( argv[1], 1 );
  if ( !image.data )
  {
    printf("No image data \n");
    return -1;
  }
  namedWindow("Display Image", WINDOW_AUTOSIZE );
  imshow("Display Image", image);
  waitKey(0);
  return 0;
}

gedit CMakeLists.txt

cmake_minimum_required(VERSION 2.8)
project( DisplayImage )
find_package( OpenCV REQUIRED )
add_executable( DisplayImage DisplayImage.cpp )
target_link_libraries( DisplayImage ${OpenCV_LIBS} )

cd ~/opencv-lena
cmake .
make

./DisplayImage lena.jpg