ubuntu18安装opencv3.4.5

1、下载源码

wget -c https://github.com/opencv/opencv/archive/3.4.5.tar.gz

2、安装依赖
添加源

sudo add-apt-repository "deb http://security.ubuntu.com/ubuntu xenial-security main"

安装依赖

sudo apt-get install build-essential cmake git libgtk-3-dev libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff-dev libjasper-dev libdc1394-22-dev

3、编译安装
解压

tar xvzf opencv-3.4.0.tar.gz

进入文件夹

mkdir build
cd build
cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local ..
make -j12
sudo make install

4、配置

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

末尾添加

/usr/local/lib

sudo ldconfig

sudo gedit /etc/bash.bashrc

末尾添加

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

source /etc/bash.bashrc