OpenCV - Ask OpenCV Questions, Get OpenCV Answers
Nov 26, 2025 · OpenCV (Open Source Computer Vision Library) is an open source computer vision and machine learning (AI) software library.
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 …
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_ (''): …
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 …
How to use Thin Plate Spline Shape Transformer correctly?
Oct 30, 2024 · other “warp” functions in opencv will implicitly invert the given transform, e.g. an affine or homography matrix, such that the result is the expected forward transform. you might …
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 …
DLL load failed while importing cv2 - Python - OpenCV
Aug 29, 2023 · 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 …
Download haarcascade_frontalface_default.xml - OpenCV Q&A …
Jul 26, 2020 · How do I do this from github? I'm using Windows/Pycharm
OpenCV does not recognize USB cameras by indices
Oct 31, 2024 · Hello, I’m trying to run an USB 3.0 camera (AlliedVision Mako U 051-B) with OpenCV, but I only can run the integrated webcam in my notebook with cv2.VideoCapture (0). …
Make: fatal error: too many errors emitted, stopping now - Python
Mar 15, 2025 · I am having a really hard time compiling opencv. I’ve been at this for hours. cmake seems to complete fine, but make fails with many errors. If anybody could help me figure out …