OpenCV (with CUDA)
Dependencies#
apt install the following
- libopenjpip7 libopenjp2-tools
- libatlas-base-dev gfortran
- liblapacke-dev libatlas-base-dev
Install OpenCV 4 from Source#
- Clone repos of OpenCV and OpenCV Contrib, and
- Checkout the matching release (e.g. 4.1.0)
cd ~/opencvmkdir buildcd build
cmake -D CMAKE_BUILD_TYPE=RELEASE \ -D CMAKE_INSTALL_PREFIX=/usr/local \ -D INSTALL_PYTHON_EXAMPLES=ON \ -D INSTALL_C_EXAMPLES=OFF \ -D OPENCV_ENABLE_NONFREE=ON \ -D OPENCV_EXTRA_MODULES_PATH=../../opencv_contrib/modules \ -D PYTHON3_EXECUTABLE=/usr/bin/python3 \ -D PYTHON2_EXECUTABLE=/usr/bin/python2 \ -D BUILD_EXAMPLES=ON \ -D WITH_CUDA=ON \ -D CUDA_TOOLKIT_ROOT_DIR=/usr/local/cuda \ -D CUDA_ARCH_BIN="6.2" \ -D BUILD_opencv_cudacodec=OFF \ .. - TX2 uses 6.2; For CUDA_ARCH_BIN versions, please refer to GPU Compute Capability
- Note: cuda10以上没有dynlink_nvcuvid.h和nvcuvid.h,所以要将BUILD_opencv_cudacodec=OFF