OpenCV 4.1.2 armv7lのビルド済みパッケージ。
libopencv4_4.1.2-20191011.1_armv7l.deb
pi@raspberrypi:~ $ curl -SLO https://wiki.nagoya88.net/download/5db653c6d8233b0067c2c972
pi@raspberrypi:~ $ sudo apt install -y ./libopencv4_4.1.2-20191011.1_armv7l.deb
インストールできたか確認
pi@raspberrypi:~ $ python2 --version
Python 2.7.16
pi@raspberrypi:~ $ python2 -c 'import cv2; print(cv2.__version__)'
4.1.0
pi@raspberrypi:~ $ python3 --version
Python 3.7.3
pi@raspberrypi:~ $ python3 -c 'import cv2; print(cv2.__version__)'
4.1.0
pi@raspberrypi:~ $
その他ライブラリのインストールは
pi@raspberrypi:~ $ sudo apt-get install -y \
build-essential cmake pkg-config \
libjpeg-dev libtiff5-dev libpng-dev \
libavcodec-dev libavformat-dev libswscale-dev libv4l-dev \
libxvidcore-dev libx264-dev \
libgtk2.0-dev libgtk-3-dev \
libcanberra-gtk* \
gfortran \
python2.7-dev python3-dev \
libavresample-dev libtesseract-dev libleptonica-dev \
libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev libhdf5-dev \
libatlas-base-dev liblapacke-dev \
python3-numpy python-numpy libjasper-dev