OpenCV - Ask OpenCV Questions, Get OpenCV Answers
Oct 29, 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_ (''): can't open/read …
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 better performance on …
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 inputs created with …
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 _opencv_ffmpeg_interrupt_callback Stream …
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 have to fit a …
Download haarcascade_frontalface_default.xml - OpenCV Q&A Forum
Jul 26, 2020 · How do I do this from github? I'm using Windows/Pycharm
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 scratch then …
Opencv + CUDA + C++ - C++ - OpenCV
Jan 24, 2025 · I had difficulties building from the opencv + CUDA source code for c++. I do everything according to this guide. Build OpenCV (including Python) with CUDA on Windows: Comprehensive …
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 so. …