OpenCV - Ask OpenCV Questions, Get OpenCV Answers
Nov 5, 2025 · OpenCV (Open Source Computer Vision Library) is an open source computer vision and machine learning (AI) software library.
Can't open/read file: check file path/integrity - C++ - OpenCV
Jan 20, 2025 · Hello friends. The following program WORKED to read image files, but it stopped working and gave the following error: global loadsave.cpp:268 cv::findDecoder imread_ (''): …
Download haarcascade_frontalface_default.xml - OpenCV Q&A …
Jul 26, 2020 · How do I do this from github? I'm using Windows/Pycharm
OpenCV 5 Roadmap? - opencv-50 - OpenCV
Jun 11, 2025 · OpenCV 5 is many years late. Here is a quote from one of their old announcements: “In 2020, OpenCV 5.0 is coming out with an emphasis on deep learning and …
Unable to compile CUDA Version - Python - OpenCV
Apr 25, 2025 · 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 …
/usr/include/opencv4/opencv2/opencv.hpp:48:10: fatal error: …
Dec 20, 2024 · most likely an installation problem. please recap, if you built the libs locally, in which case stuff went to : /usr/local/include/opencv4/ and the libs to: /usr/local/lib/ or if you got …
Error: OpenCV(4.11.0) error: (-5:Bad argument) in function 'imshow'
Apr 4, 2025 · 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 …
I wonder if opencv has been installed - build - OpenCV
Jul 16, 2025 · I tried to run opencv using Visual Studio on Windows 11. But it is missing many include files. I think I was missing some steps during the installation process. For instance if I …
Build OpenCV with Cuda - C++ - OpenCV
Mar 7, 2025 · I am building an OpenCV library by Cmake with Cuda. My GPU and Cuda Toolkit are GTX1650 and v12.8, respectively. The command is following: cmake -G "Visual Studio 17 …
Missing opencv dlls - OpenCV
Nov 15, 2024 · OpenCV is attempting to load GTK-based libraries for its GUI (opencv_highgui_gtk4100_64.dll, opencv_highgui_gtk34100_64.dll, etc.), but it is failing to do …