ubuntu搭建opencv运行环境

前提要求

操作系统 ubuntu 20.04

下载

https://codeload.github.com/opencv/opencv/zip/refs/tags/3.4.16

点击链接下载opencv3.4.16

解压

unzip opencv-3.4.16.zip

安装构建工具和依赖包

sudo apt-get update
sudo apt-get install cmake
sudo apt-get install build-essential libgtk2.0-dev libavcodec-dev libavformat-dev libjpeg.dev libtiff5.dev libswscale-dev --fix-missing

创建构建目录并编译

cd opencv-3.4.16
mkdir build
cd build
cmake …
make -j8
sudo make install

配置路径

sudo gedit /etc/ld.so.conf.d/opencv.conf
在末尾添加 /usr/local/lib

sudo ldconfig
sudo gedit /etc/bash.bashrc
在末尾添加 PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig
export PKG_CONFIG_PATH

source /etc/bash.bashrc
sudo apt-get install mlocate
sudo updatedb
pkg-config --modversion opencv
成功显示
version opencv 3.4.16