gistfile1.txt

# Compile OPENCV with CUDDN
sudo apt install cuda-toolkit-12-1 tensorrt*

install:
sudo apt-get install build-essential cmake unzip pkg-config
sudo apt-get install libjpeg-dev libpng-dev libtiff-dev
sudo apt-get install libavcodec-dev libavformat-dev libswscale-dev
sudo apt-get install libv4l-dev libxvidcore-dev libx264-dev
sudo apt-get install libgtk-3-dev
sudo apt-get install libblas-dev liblapack-dev gfortran
sudo apt-get install python3-dev

download and unzip:
wget -O opencv.zip https://github.com/opencv/opencv/archive/4.7.0.zip
wget -O opencv_contrib.zip https://github.com/opencv/opencv_contrib/archive/4.7.0.zip

make a build folder in opencv and run:
cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D INSTALL_C_EXAMPLES=OFF -D OPENCV_ENABLE_NONFREE=ON -D WITH_CUDA=ON -D WITH_CUDNN=ON -D OPENCV_DNN_CUDA=ON -D ENABLE_FAST_MATH=1 -D CUDA_FAST_MATH=1 -D CUDA_ARCH_BIN=8.9 -D WITH_CUBLAS=1 -D OPENCV_EXTRA_MODULES_PATH=~/opencv_contrib/modules -D HAVE_opencv_python3=ON -D BUILD_EXAMPLES=ON ..