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README
OpenCV: Open Source Computer Vision Library Resources Homepage: Courses: Docs: Q&A forum: previous forum (read only): Issue tracking: Additional OpenCV functionality: Donate to OpenCV: Contributing Please read the contribution guidelines before starting work on a pull request. Summary of the guidelines: One pull request per issue; Choose the right base branch; Include tests and documentation; Clean up "oops" commits before submitting; Follow the coding style guide. Additional Resources Submit your OpenCV-based project for inclusion in Community Friday on opencv.org Subscribe to the OpenCV YouTube Channel featuring OpenCV Live, an hour-long streaming show Follow OpenCV on LinkedIn for daily posts showing the state-of-the-art in computer vision & AI Apply to be an OpenCV Volunteer to help organize events and online campaigns as well as amplify them Follow OpenCV on Mastodon in the Fediverse Follow OpenCV on X OpenCV.ai: Computer Vision and AI development services from the OpenCV team.
Top issues
#9053VideoCapture::set (CAP_PROP_POS_FRAMES, frameNumber) not exact in opencv 3.2 with ffmpeg87 comments · 2017-06-30#4588Package a maven version of Java bindings75 comments · 2015-07-27#23911OpenCV4.8.0 DNN inference speed reduced by 50%.63 comments · 2023-07-03#5150OpenCV + Python multiprocessing breaks on OSX60 comments · 2015-08-07#21653Add support for libcamera54 comments · 2022-02-23#7263Suggestions for future GSoCs45 comments · 2016-09-09#16433GpuMat as input/output to cv::dnn::Net42 comments · 2020-01-25#23425Camera Index out of range issue - Have tried everything!!!39 comments · 2023-03-29
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Latest release
OpenCV 5.1.0 5.1.0 2026-11-06OpenCV 5.1.0 has been released. :hammer_and_wrench: Change log is here.
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Hacker NewsOpenCV reaches almost 1000 contributors, almost▲ 5 · 0 comments · 2019-05-14Hacker NewsOpencv-Python adds support for Pathlike objects▲ 1 · 1 comments · 2024-01-23Hacker NewsFix(WeChat_qrcode): Init nBytes after the count value is determined▲ 1 · 0 comments · 2023-04-25Hacker NewsOpenCV 4.5 Release▲ 1 · 1 comments · 2020-10-12Hacker NewsWhat open-source projects do you contribute to or develop for?▲ 1 · 0 comments · 2015-05-28note생성 AI 시대의 이미지 가공 도구 고찰 - ComfyUI, chaiNNer, OpenCV, NumPy를 어떻게 구분해서 사용할 것인가2026-08-12amdAccelerating Open-Source OpenCV with Portable SIMD2026-07-24phoronix.comOpenCV 5.0 Released With Rewritten DNN Engine, Built-In LLM & VLM Support2026-06-06HackadayOpenCV Running On A Tiny Microcontroller2022-05-19The GitHub BlogThis year’s most influential open source projects2025-12-22