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- Asymmetric Circle Grid Calibration - Python - OpenCV
Thank you for OpenCV I was trying to use an asymmetric circle grid for calibration, with no success cv2 findChessboardCorners for checkerboard calibration easily detects (finds) my pattern in almost all images But trying to be calibrating with an asymmetric circle grid, cv2 findCirclesGrid never detects (finds) my grid no matter how much I try fiddling blobDetector params The detector
- Download haarcascade_frontalface_default. xml - OpenCV Q A Forum
How do I do this from github? I'm using Windows Pycharm
- Error: OpenCV(4. 11. 0) error: (-5:Bad argument) in function imshow
I think there was an update to the input sent to opencv in version 4 11 and it especially affects Linux-based systems The question is, how should we adjust the array inputs created with numpy in Linux-based systems in the current version?
- Unable to compile CUDA Version - Python - OpenCV
Hello guys I’m during 3 days trying to make opencv to work with CUDA I already have CUDA installed, cudnn etc What happens: After making all process described in some youtube videos, many and many times, with lots of versions of opencv, with visual studio 2019 and 2022, the last command which I should do is cmake --build “path” --target INSTALL --config Release In the example video
- DLL load failed while importing cv2 - Python - OpenCV
I may be wrong but it seems like you are mixing up two different installation methods If you pip install you shouldn’t need to copy any dll’s accross If you are building from scratch then don’t pip install (pip uninstall any existing OpenCV installation first ) and read ImportError: DLL load failed while importing cv2: The specified module could not be found to see if it helps
- Missing lib files while building with Visual Studio 2022 - build - OpenCV
I tried to build OpenCV but Visual Studio only created 3 files in the build lib release folder: opencv_cudev4100 exp opencv_cudev4100 lib opencv_ts4100 lib and there are a whole bunch of LINK1181 messages about the rest of the lib files which are missing as well as a lot of MSB8066 ‘custom build exited with code 1’ errors, as well as a few C1189 ‘unsupported Microsoft Visual Studio
- Missing opencv dlls - OpenCV
OpenCV has, or is in the process of gaining, a kind of runtime dispatch for some of its backends (highgui, videoio) What you’re seeing is its thought process It will look for stuff that might be available, and if it isn’t, that’s fine I think you can modulate the verbosity of this I don’t know off the top of my head
- CUDA Decoder issues - Python - OpenCV
I am trying to build OpenCV with CUDA support, it worked but now I wanted to add cudacodec as well, however I am having issues with installing the NVIDIA Video Codec SDK and get errors for the headers and libraries I am building it on a Modal Image (similar to docker) for Cloud GPU use, so if anyone has any suggestions on how to get it working I’d be thankful I even tried getting the h
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