I tried compiling OpenCV from source with added CUDA support with CMake, and while I'm building it, it says "CUDA: YES" but after it's done if I test it, it doesn't have CUDA support. Also it doesn't build python cv2.pyd file even if I set python paths and enabled python build.
Hi, are you building with windows or linux, OpenCV version 3.4 or 4? If 4 have you included the contrib repo? If windows are you following steps similar to this guide, which uses Visual Studio 2017, CUDA 10.1, and Anaconda?
Does the CMake output of modules to be built (shown below) include python2
-- OpenCV modules:
-- To be built: aruco bgsegm bioinspired calib3d ccalib core cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters cudaimgproc cudalegacy cudaobjdetect cudaoptflow cudastereo cudawarping cudev datasets dnn dnn_objdetect dpm face features2d flann fuzzy hfs highgui img_hash imgcodecs imgproc line_descriptor ml objdetect optflow phase_unwrapping photo plot python2 python3 quality reg rgbd saliency shape stereo stitching structured_light superres surface_matching text tracking ts video videoio videostab world xfeatures2d ximgproc xobjdetect xphoto
and similar output for the following?
-- Python 2:
-- Interpreter: C:/Users/xx/Anaconda2/python.exe (ver 2.7.14)
-- Libraries: C:/Users/xx/Anaconda2/libs/python27.lib (ver 2.7.14)
-- numpy: C:/Users/xx/Anaconda2/lib/site-packages/numpy/core/include (ver 1.13.3)
-- install path: C:/Users/xx/Anaconda2/Lib/site-packages/cv2/python-2.7
If you are building INSTALL in version 4.1.0 then the cv2.pyd file no longer gets copied to the install\python\cv2\python-2.x\ directory and can instead be found in the lib directory, have you checked there?
No CUDA 10 should work. Did you get the output above in CMake, did you include the contrib repo? The site is up now.
Sorry I'm new to this forum and I'm not sure how to put a code box. But I got this now:
-- OpenCV modules: -- To be built: aruco bgsegm bioinspired calib3d ccalib core cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters cudaimgproc cudalegacy cudaobjdetect cudaoptflow cudastereo cudawarping cudev datasets dnn dnn_objdetect dpm face features2d flann fuzzy hfs highgui img_hash imgcodecs imgproc line_descriptor ml objdetect optflow phase_unwrapping photo plot python3 quality reg rgbd saliency shape stereo stitching structured_light superres surface_matching text tracking ts video videoio videostab world xfeatures2d ximgproc xobjdetect xphoto
I also had the Python part but for python3. I will try building now in VS.
I built it and got a cv2.cp37-win_amd64.pyd. I placed it into the site-packages folder but I am getting an error while importing: "ImportError: DLL load failed: The specified module could not be found." Do I need to use anaconda python ? Because if I try using the python.exe from Anaconda, the virtual env in PyCharm can not get built.
EDIT: I just installed a window update that was available and after a restart of my PC it worked. Thanks alot!
Asked: 2019-04-14 17:14:46 -0600
Seen: 1,867 times
Last updated: Apr 15 '19