opencv-install

Installing OpenCV from source and install pre-reqs..

#1. Install CUDA 10.1

• Download and install CUDA 10.1 from: hhttps://developer.nvidia.com/cuda-toolkit-archive

#2. Fix NVCC Cuda Compiler path.

• Edit '/etc/environment' and add an entry for '/usr/local/cuda/bin'
• Logout or Reboot
• To verify nvcc is functional and checl version, run 'nvcc --version'

#3. Install CUDNN

• Download and install from: https://developer.nvidia.com/rdp/cudnn-download
• Install CUDNN Runtime from DEB
• install CUDNN Developer Library from DEB
• Install CUDNN Docs from DEB

#4. Download NVIDIA VIDEO CODEC SDK

• Download from https://developer.nvidia.com/nvidia-video-codec-sdk#Download
• Copy all files from 'include' folder to to '/usr/local/cuda/include'

sudo cp include/*.h /usr/local/cuda/include

** For OpenCV 3.4.6, rename or copy nvcuvid.h to dynlink_nvcuvid.h

sudo cp include/nvcuvid.h /usr/local/cuda/include/dynlink_nvcuvid.h

#5. Build from source and install OpenCV

• Edit script of your choice and change cvVersion to match install.
• Run the script to install all pre-reqs and build and install OpenCV

** NOTE for OpenCV4 you would need to create symlink to OpenCV2 path

• sudo ln -s /usr/local/include/opencv4/opencv2 /usr/local/include/opencv2
• Also, any projects linked with opencv pkconfig library would need to use opencv4 instead