安装opencv
此安装非 pip install opencv-python 的安装
安装依赖
sudo apt-get install build-essential
sudo apt-get install cmake git 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
安装opencv
到opencv官网，点击对应版本的source下载opencv安装包，解压，最好安装最新版本
cd ~/opencv-3.4.15
mkdir build
cd build
cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local ..
make -j8
sudo make install
添加环境变量
sudo gedit /etc/ld.so.conf.d/opencv.conf
末尾添加
/usr/local/lib
sudo ldconfig # 使得上面的配置路径生效
配置bash
sudo gedit /etc/bash.bashrc
# 末尾添加下面两行
PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig
export PKG_CONFIG_PATH
保存
source /etc/bash.bashrc
# 更新
sudo updatedb
检查是否成功
cd ~/opencv-3.4.15/samples/cpp/example_cmake
cmake .
make
./opencv_example
