Ubuntu16.04上安装配置opencv2.4.13

opencv官网对linux的配置
主参考链接
opencv版本兼容问题

安装依赖包

$ sudo apt-get update
$ sudo apt-get install -y build-essential
$ sudo apt-get install -y cmake
$ sudo apt-get install -y libgtk2.0-dev
$ sudo apt-get install -y pkg-config
$ sudo apt-get install -y python-numpy python-dev
$ sudo apt-get install -y libavcodec-dev libavformat-dev libswscale-dev
$ sudo apt-get install -y libjpeg-dev libpng12-dev libtiff5-dev libjasper-dev
$ sudo apt-get -qq install libopencv-dev build-essential checkinstall cmake pkg-config yasm libjpeg-dev libjasper-dev libavcodec-dev libavformat-dev libswscale-dev libdc1394-22-dev libxine2 libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev libv4l-dev python-dev python-numpy libtbb-dev libqt4-dev libgtk2.0-dev libmp3lame-dev libopencore-amrnb-dev libopencore-amrwb-dev libtheora-dev libvorbis-dev libxvidcore-dev x264 v4l-utils

下载opencv2.4.13

$ wget http://downloads.sourceforge.net/project/opencvlibrary/opencv-unix/2.4.13/opencv-2.4.13.zip
$ unzip opencv-2.4.13.zip
$ cd opencv-2.4.13
$ mkdir release 
$ cd release

编译和安装

# 开始编译
$ cmake -G "Unix Makefiles" -DCMAKE_CXX_COMPILER=/usr/bin/g++ CMAKE_C_COMPILER=/usr/bin/gcc -DCMAKE_BUILD_TYPE=RELEASE -DCMAKE_INSTALL_PREFIX=/usr/local -DWITH_TBB=ON -DBUILD_NEW_PYTHON_SUPPORT=ON -DWITH_V4L=ON -DINSTALL_C_EXAMPLES=ON -DINSTALL_PYTHON_EXAMPLES=ON -DBUILD_EXAMPLES=ON -DWITH_QT=ON -DWITH_OPENGL=ON -DBUILD_FAT_JAVA_LIB=ON -DINSTALL_TO_MANGLED_PATHS=ON -DINSTALL_CREATE_DISTRIB=ON -DINSTALL_TESTS=ON -DENABLE_FAST_MATH=ON -DWITH_IMAGEIO=ON -DBUILD_SHARED_LIBS=OFF -DWITH_GSTREAMER=ON ..
$ make all -j2 # 开启线程，按照自己配置（2核）
$ sudo make install

系统配置

# 配置环境，将opencv加入到路径，让系统能够找到
$ sudo gedit /etc/ld.so.conf.d/opencv.conf 
# 末尾加入 /usr/local/lib  
保存退出
$ sudo ldconfig
$ sudo gedit /etc/bash.bashrc 
# 末尾加入下面两行
PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig  
export PKG_CONFIG_PATH 
保存退出
$ sudo source /etc/bash.bashrc  #使配置生效
-----------------------------------------------
$ su //获取root权限，否则下面的source命令不可用  
  su: Authentication failure  
$ sudo passwd root
  Enter new UNIX password:   
  Retype new UNIX password:   
  passwd: password updated successfully 
-----------------------------------------------
$ su
$ source /etc/bash.bashrc 
Ctrl+d  #退出root权限
$ sudo updatedb # 更新database

检查

• 确保我们已经安装了c++编译器

$ sudo apt-get install build-essential g++

• 检查包含、链接配置是否正确：

$ pkg-config opencv --cflags --libs

注：pkg-config 是维护着一个关于opencv的配置文件，这个文件（opencv.pc）在目录 /usr/local/lib/pkgconfig，这个文件记录着opencv的一些动态库信息，还有头文件信息

• 查看 opencv 头文件（.h） 位置

$ pkg-config --cflags opencv  

• 查看opencv 库文件位置

$ pkg-config --libs opencv 

• 测试一个简单的OpenCV程序

$ cd ~/Downloads/opencv-2.4.13.6/samples/cpp
$ g++ edge.cpp -lopencv_core -lopencv_imgproc -lopencv_highgui -o edge
$ ./edge

• 测试GPU加速OpenCV例程

$ cd ../gpu
$ g++ houghlines.cpp -lopencv_core -lopencv_imgproc -lopencv_highgui -lopencv_calib3d -lopencv_contrib -lopencv_features2d -lopencv_flann -lopencv_gpu -lopencv_legacy -lopencv_ml -lopencv_objdetect -lopencv_photo -lopencv_stitching -lopencv_superres -lopencv_video -lopencv_videostab -o houghlines
$ ./houghlines ../cpp/logo_in_clutter.png

安装完的opencv所在路径

usr/local/share