sudo apt-get install build-essential cmake git pkg-config
sudo apt-get install libjpeg8-dev
sudo apt-get install libtiff5-dev
sudo apt-get install libjasper-dev
sudo apt-get install libpng12-dev
sudo apt-get install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev <span>libcv-dev </span>
sudo apt-get install libgtk2.0-dev
sudo apt-get install libatlas-base-dev gfortran
github上下载最新的opencv-master（4.0的）
然后解压，进入目录
cd opencv-master
mkdir release
cd release
然后执行
sudo cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local ..
sudo make -j2
sudo make install
sudo ldconfig
python里import不报错就可以了
import cv2
