安装opencv4 在Ubuntu比较简单,几步就行:
(1)sudo apt-get install build-essential
sudo apt-get install build-essential
(2)sudo apt-get install cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev
sudo apt-get install cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev
(3)去下载opencv的源代码,然后解压
unzip opencv-4.5.4.zip
cd opencv-4.5.4/
(4)新建一个build文件,然后在里面进行编译
mkdir build
cd build/
cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local ..
(5)编译
make
make install
至此opencv就安装成功了,就可以使用c++调用了。