OpenCV - Ask OpenCV Questions, Get OpenCV Answers
Nov 13, 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 …
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 youtube …
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 do i download opencv to termux
Sep 18, 2022 · I want to install opencv on termux but it doesn’t work, how do I install it??
Download haarcascade_frontalface_default.xml - OpenCV Q&A Forum
Jul 26, 2020 · How do I do this from github? I'm using Windows/Pycharm
Building Open-CV 4.9.0 with Cuda 12.3 in Windows 11 - build - OpenCV
Mar 13, 2024 · Build OpenCV (including Python) with CUDA on Windows: Comprehensive Guide... Guide to building OpenCV (including Python bindings) with CUDA (optionally the Nvidia Video Codec …
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. …
How to use bag of words example with BRIEF descriptors? - OpenCV …
I am trying to run OpenCV's Bag of Words example. So far, it works perfectly just with SIFT and SURF descriptors (which are non free). I am trying other descriptors such as BRIEF and FREAK, but the …
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 …