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.
Download haarcascade_frontalface_default.xml - OpenCV Q&A Forum
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 have to fit a …
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 …
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 …
Build OpenCV with Cuda - C++ - OpenCV
Mar 7, 2025 · I am building an OpenCV library by Cmake with Cuda. My GPU and Cuda Toolkit are GTX1650 and v12.8, respectively. The command is following: cmake -G "Visual Studio 17 2022" …
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 …
Corners identification with OpenCV.js - javascript - OpenCV
Apr 7, 2025 · the opencv.js project was a GSoC project, a kind of feasibility study. there is hardly any code using it for LLMs to learn from. approxPolyDP was never useful for things with rounded corners. …
CUDA Decoder issues - Python - OpenCV
Mar 14, 2025 · I am trying to build OpenCV with CUDA support, it worked but now I wanted to add cudacodec as well, however I am having issues with installing the NVIDIA Video Codec SDK and get …