ubuntu14.04 +opencv3.4.6+opencv_contrib3.4.6配置

1. 下载：一定要下载对应版本！

下载源码：https://github.com/opencv/opencv/releases/tag/3.4.6

下载contrib：https://github.com/opencv/opencv_contrib/releases/tag/3.4.6

2. 安装

（1） 安装相关包

安装前的必备包

sudo apt-get install build-essential 

sudo apt-get install cmake git g++

安装依赖包

sudo apt-get install libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev libv4l-dev liblapacke-dev
sudo apt-get install checkinstall yasm libxine2-dev libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev libfaac-dev libmp3lame-dev libtheora-dev
sudo apt-get install libopencore-amrnb-dev libopencore-amrwb-dev libavresample-dev x264 v4l-utils

处理图像所需的包

sudo apt-get install libtbb2 libtbb-dev libjpeg-dev libpng12-dev libtiff5-dev libjasper-dev

处理视频所需包

sudo apt-get install libxvidcore-dev libx264-dev

opencv功能优化

sudo apt-get install libatlas-base-dev gfortran 

部分依赖包

sudo apt-get install libopencv-dev qt4-qmake libqglviewer-dev libsuitesparse-dev
sudo apt-get install python-dev python-numpy

可选依赖

sudo apt-get install libprotobuf-dev protobuf-compiler
sudo apt-get install libgoogle-glog-dev libgflags-dev
sudo apt-get install libgphoto2-dev libeigen3-dev libhdf5-dev doxygen

（2）安装完成后，把contrib文件夹放入opencv目录下，并且创建build文件夹；

手动下载 ippicv_2019_lnx_intel64_general_20180723.tgz，放到/home/joanna/software/文件夹下，并修改opencv/3rdparty/ippicv/ippicv.cmake：

"https://raw.githubusercontent.com/opencv/opencv_3rdparty/${IPPICV_COMMIT}/ippicv/"
修改为：
"file:/home/joanna/software/" 

（3） cmake-gui编译opencv-contrib源码

#安装cmake-gui
sudo apt-get install cmake-gui
#启动cmake-gui
cmake-gui

 

点击configure选择Unix Makefiles，完成后，按如下配置：

1）在CMAKE_BUILD_TYPE 值处输入RELEASE

2）在OPENCV_EXTRA_MODULES_PATH处，选择输入目录：opencv_contrib文件夹中的modules文件夹 

 

 点击Generate，编译完成。

（4）或者 命令行编译opencv-contrib源码

#
cd build  
#
sudo cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local -D OPENCV_EXTRA_MODULES_PATH=/home/joanna/software/opencv-3.4.6/opencv_contrib-3.4.6/modules/ .. 

在cmake成功之后，就可以在build文件下make了：

sudo make -j8 #8线程编译

sudo make install

（5）链接库共享
编译安装完毕之后，为了让你的链接库被系统共享，让编译器发现，需要执行管理命令ldconfig：

sudo ldconfig -v