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OpenCV

Requirements

sudo apt install git cmake libatlas-base-dev gfortran libhdf5-serial-dev hdf5-tools python3-dev

Install & Build

git clone https://github.com/opencv/opencv
git clone https://github.com/opencv/opencv_contrib

cd opencv
mkdir build
cd build
cmake -DOPENCV_EXTRA_MODULES_PATH=../../opencv_contrib/modules -DWITH_CUDA=ON -DCUDA_FAST_MATH=1 -DBUILD_EXAMPLES=ON  -DBUILD_opencv_python3=ON -DPYTHON3_INCLUDE_DIR2=/usr/include/python3.6m -DPYTHON3_NUMPY_INCLUDE_DIRS=/usr/lib/python3/dist-packages/numpy/core/include -DCUDA_ARCH_BIN="5.3" -DCUDA_ARCH_PTX=""  -DBUILD_TESTS=OFF -DBUILD_PERF_TESTS=OFF -DBUILD_EXAMPLES=OFF ..
make -j{NUM_CORE}
sudo make install

Check

opencv_version

Reference