OpenCV - Ask OpenCV Questions, Get OpenCV Answers
Nov 7, 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 …
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
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 …
Building Open-CV 4.9.0 with Cuda 12.3 in Windows 11 - build
Mar 13, 2024 · Build OpenCV (including Python) with CUDA on Windows: Comprehensive Guide... Guide to building OpenCV (including Python bindings) with CUDA (optionally the …
How to use bag of words example with BRIEF descriptors?
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 …
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 …
Welcome to OpenCV Forum!
Aug 27, 2020 · Welcome to the new and improved OpenCV Forum! We’re excited to finally have a better option for discussion, questions, and answers that can be used from multiple platforms …