codec type sent release format mat ext swscale cmake

sudo apt-get update sudo apt-get upgrade sudo rpi-update sudo reboot sudo apt-get install build-essential git cmake pkg-config sudo apt-get install libjpeg-dev libtiff5-dev libjasper-dev libpng12-dev sudo apt-get install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev sudo apt-get install libxvidcore-dev libx264-dev sudo apt-get install libgtk2.0-dev sudo apt-get install libatlas-base-dev gfortran cd ~ git clone https://github.com/Itseez/opencv.git cd opencv git checkout 3.3.0 cd ~ git clone https://github.com/Itseez/opencv_contrib.git cd opencv_contrib git checkout 3.3.0

卸載老版本

pip uninstall opencv-python

安裝opencv 3.3.0

pip install numpy 
cd ~/opencv 
mkdir build 
cd build 
cmake -D CMAKE_BUILD_TYPE=RELEASE \     
      -D CMAKE_INSTALL_PREFIX=/usr/local       -D INSTALL_C_EXAMPLES=OFF \  
      -D INSTALL_PYTHON_EXAMPLES=ON \     
      -D OPENCV_EXTRA_MODULES_PATH=~/opencv_contrib/modules \     
      -D BUILD_EXAMPLES=ON ..
      
make -j4 
sudo make install 
sudo ldconfig

ubuntu16.04 安裝opencv 3.3.0