[RPi] OpenCV 3.3 on Pi

sudo apt-get update
sudo apt-get install -y build-essential cmake pkg-config cmake-qt-gui
sudo apt-get install -y libjpeg-dev libtiff5-dev libjasper-dev libpng12-dev
sudo apt-get install -y libavcodec-dev libavformat-dev libswscale-dev libv4l-dev
sudo apt-get install -y libxvidcore-dev libx264-dev

cd ~
wget https://github.com/opencv/opencv_contrib/archive/3.3.0.tar.gz -O opencv_contrib-3.3.0.tar.gz
tar zxvf opencv_contrib-3.3.0.tar.gz

wget https://github.com/opencv/opencv/archive/3.3.0.tar.gz
tar -zxvf 3.3.0.tar.gz
opencv-3.3.0/
cd opencv-3.3.0
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=/home/pi/opencv_contrib-3.3.0/modules \
    -D BUILD_EXAMPLES=ON \
    -D ENABLE_NEON=ON \
        -D ENABLE_VFP3=ON ..

make -j2 VERBOSE=1


http://my-web-site.iobb.net/~yuki/2017-09/raspberry-pi/opencv3-build/