raspberry pi 3でのOpenCVのインストール

sudo aptitude update
sudo aptitude upgrade
sudo aptitude install qt5-default
sudo aptitude install cmake
sudo aptitude install libjpeg-dev libtiff5-dev libjasper-dev libpng12-dev
sudo aptitude install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev
sudo aptitude install libxvidcore-dev libx264-dev
sudo aptitude install libgtk2.0-dev

git clone https://github.com/opencv/opencv.git
cd opencv
mkdir build
cd build
cmake -D WITH_QT=ON -D WITH_FFMPEG=OFF ../
make -j4
sudo make -j4 install
sudo ldconfig