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.
Opencv Rtsp Stream timeout - Python - OpenCV
Feb 17, 2025 · I have an RTSP URL for streaming from a CCTV camera, but I get the following error: [ WARN:[email protected]] global cap_ffmpeg_impl.hpp:453 …
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 …
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 …
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 …
/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 …
Issue: Unable to Stream Webcam Properly in OpenCV
Dec 12, 2024 · Hi everyone, I’m trying to test if I can stream my camera feed in OpenCV. I have two cameras connected to my laptop: The built-in webcam. An external Logitech C270 …
Gray frames/lost pixes - Python - OpenCV
Jul 17, 2025 · Hello guys. I’m using the opencv_contrib_python_rolling-4.12.0.86-cp37-abi3-win_amd64.whl, to read a video streaming (RTSP link). What happens, is that, usually video is …
Download haarcascade_frontalface_default.xml - OpenCV Q&A …
Jul 26, 2020 · How do I do this from github? I'm using Windows/Pycharm