//setup open cv2 $ sudo gedit /etc/apt/sources.list.d/raspi.list                      //When first setup  software computer is not internet you need to use "nano" exit  raspi.list #deb http://archive.raspberrypi.org/debian/ stretch main ui # Uncomment line below then 'apt-get update' to enable 'apt-get source' #deb-src http://archive.raspberrypi.org/debian/ stretch main ui deb http://mirrors.ustc.edu.cn/archive.raspberrypi.org/ stretch main ui deb-src http://mirrors.ustc.edu.cn/archive.raspberrypi.org/ stretch main ui //when change "sources.list.d/raspi.list" find not internet you need try to change  list: deb http://archive.raspberrypi.org/debian/ stretch main ui # Uncomment line below then 'apt-get update' to enable 'apt-get source' deb-src http://archive.raspberrypi.org/debian/ stretch main ui #deb http://mirrors.ustc.edu.cn/archive.raspberrypi.org/ stretch main ui #deb-src http://mirrors.ustc.edu.cn/archive.raspberrypi.org/ stretch main ui $  sudo gedit /etc/apt/sources.list #deb http://raspbian.raspberrypi.org/raspbian/ stretch main contrib non-free rpi # Uncomment line below then 'apt-get update' to enable 'apt-get source' #deb-src http://raspbian.raspberrypi.org/raspbian/ stretch main contrib non-free  rpi #deb http://mirrors.ustc.edu.cn/raspbian/raspbian/ stretch main non-free rpi #deb-src http://mirrors.ustc.edu.cn/raspbian/raspbian/ stretch main non-free  contrib deb http://mirrors.aliyun.com/raspbian/raspbian/ stretch main non-free contrib  deb-src http://mirrors.aliyun.com/raspbian/raspbian/ stretch main non-free contrib sudo apt-get update sudo apt-get upgrade sudo rpi-update sudo reboot now sudo apt-get install build-essential cmake pkg-config sudo apt-get install libjpeg-dev libtiff5-dev libjasper-dev libpng12-dev 

sudo apt-get install libgtk2.0-dev libgstreamer0.10-0-dbg libgstreamer0.10-0  libgstreamer0.10-dev libv4l-0 libv4l-dev  //若出现问题可以将错误复制到网页中搜索可 以解决，好像是移除一个文件，具体的解决办法没有被记录 sudo apt-get install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev sudo apt-get install libxvidcore-dev libx264-dev sudo apt-get install libatlas-base-dev gfortran sudo apt-get install python-numpy python-scipy python-matplotlib sudo apt-get install default-jdk ant sudo apt-get install libgtkglext1-dev sudo apt-get install v4l-utils wget https://bootstrap.pypa.io/get-pip.py sudo python get-pip.py sudo apt-get install python2.7-dev sudo pip install numpy cd ~ wget -O opencv.zip https://github.com/Itseez/opencv/archive/3.2.0.zip unzip opencv.zip wget -O opencv_contrib.zip  https://github.com/Itseez/opencv_contrib/archive/3.2.0.zip unzip opencv_contrib.zip cd ~/opencv-3.2.0/ mkdir build cd build cmake -D CMAKE_BUILD_TYPE=RELEASE \             sudo make -j3 //when execute "sudo make -j3" you should execute next two step continue  execute"sudo make -j3" sudo make clean sudo make -D CMAKE_INSTALL_PREFIX=/usr/local \ -D INSTALL_C_EXAMPLES=OFF \ -D INSTALL_PYTHON_EXAMPLES=ON \ -D OPENCV_EXTRA_MODULES_PATH=~/opencv_contrib-3.2.0/modules \ -D BUILD_EXAMPLES=ON \ -D ENABLE_NEON=ON .. 

sudo make install sudo ldconfig sudo nano /etc/ld.so.conf.d/opencv.conf /usr/local/lib sudo ldconfig sudo nano /etc/bash.bashrc PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig        export PKG_CONFIG_PATH sudo shutdown -r now import cv2 print cv2.__version__ //setup dlib 安装dlib https://gist.github.com/ageitgey/629d75c1baac34dfa5ca2a1928a7aeaf https://blog.csdn.net/XianxinMao/article/details/79433586 Clone the code from github: #```bash #$ git clone https://github.com/davisking/dlib.git #``` it has been download. Build the main dlib library (optional if you just want to use Python): ```bash $ cd dlib $ mkdir build;  $ cd build; $ cmake ..; $ cmake --build . ``` python2.7 Build and install the Python extensions: ```bash 

$ cd .. $ sudo python setup.py install ``` $ python $ import dlib At this point, you should be able to run `python` and type `import dlib` successfully. or python3 ```bash $ cd .. $ sudo python3 setup.py install ``` $ python3 $ import dlib At this point, you should be able to run `python3` and type `import dlib`  successfully. //setup face_recognition  安装face_recognition https://github.com/ageitgey/face_recognition#face-recognition $ pip3 install face_recognition-master $ python3 $ import face_recognition