install_opencv_rpi.sh

#!/bin/bash

sudo apt-get update && sudo apt-get upgrade

sudo apt-get install build-essential unzip pkg-config

sudo apt-get install libjpeg-dev libpng-dev libtiff-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 libgtk-3-dev

sudo apt-get install libcanberra-gtk*

sudo apt-get install libatlas-base-dev gfortran

sudo apt-get install python3-dev

sudo apt-get install libcurl4

sudo apt-get install cmake

cd ~
wget -O opencv.zip https://github.com/opencv/opencv/archive/4.0.0.zip
wget -O opencv_contrib.zip https://github.com/opencv/opencv_contrib/archive/4.0.0.zip

unzip opencv.zip
unzip opencv_contrib.zip

mv opencv-4.0.0 opencv
mv opencv_contrib-4.0.0 opencv_contrib

sudo python3.7 -m pip install numpy

cd ~/opencv
mkdir build
cd build

cmake -D CMAKE_BUILD_TYPE=RELEASE \
    -D CMAKE_INSTALL_PREFIX=/usr/local \
    -D OPENCV_EXTRA_MODULES_PATH=~/opencv_contrib/modules \
    -D ENABLE_NEON=ON \
    -D ENABLE_VFPV3=ON \
    -D BUILD_TESTS=OFF \
    -D OPENCV_ENABLE_NONFREE=ON \
    -D INSTALL_PYTHON_EXAMPLES=OFF \
    -D BUILD_EXAMPLES=OFF ..

make -j4

sudo make install

sudo ldconfig