ubuntu安装opencv

1.下载opencv source包

http://opencv.org/releases.html

2.安装依赖

sudo apt-get install cmake git
sudo apt-get install build-essential libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev  libswscale-dev

sudo apt-get install python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev

3.cmake

madir build
cd build
sudo cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local ..

make -j4
sudo make install

4.环境变量配置

sudo gedit /etc/ld.so.conf.d/opencv.conf 

输入  

/usr/local/lib  

保存退出

sudo ldconfig

5.配置bash

sudo gedit /etc/bash.bashrc 

在文件的末尾加上

PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig  
export PKG_CONFIG_PATH

使得环境变量生效

source /etc/bash.bashrc

更新

sudo updatedb

6.测试

cmake .
make
./opencv_example

参考文献：

https://www.jianshu.com/p/f646448da265

https://www.bilibili.com/video/BV1VJ411g7uY?t=225