OpenCV (Open Source Computer Vision Library) is an open-source computer vision and machine learning software library designed to streamline the development of applications that involve image processing, video analysis, and real-time computer vision. It's utilized in a wide range of industries, from automotive to robotics, enabling developers to implement features such as object detection, facial recognition, image segmentation, and camera calibration. OpenCV is built with C++ in mind but offers bindings for languages like Python, Java, and MATLAB, making it versatile for developers with different programming backgrounds. Its comprehensive set of modules can handle tasks involving 2D and 3D image data, making it a powerful tool for creating cutting-edge machine learning integrated applications. Developers benefit from its extensive documentation, active community, and numerous code samples to facilitate rapid application development and iterative testing. With its continually evolving ecosystem, OpenCV remains a robust foundation for implementing state-of-the-art image processing features in various applications.
View the most prominent open source OpenCV projects in the list below. Click on a specific project to view its alternative or complementary packages. Make comparisons and find the best package for your app.
- Open Source Computer Vision Library☆86,283Updated this week
- OpenPose: Real-time multi-person keypoint detection library for body, face, hands, and foot estimation☆33,796Aug 3, 2024Updated last year
- Learn OpenCV : C++ and Python Examples☆22,748Feb 10, 2026Updated 2 weeks ago
- Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval…☆13,240Feb 15, 2026Updated last week
- 一款入门级的人脸、视频、文字检测以及识别的项目.☆11,071Apr 16, 2020Updated 5 years ago
- RobotGo, Go Native cross-platform RPA, GUI automation, Auto test and Computer use @vcaesar☆10,615Jan 18, 2026Updated last month
- openFrameworks is a community-developed cross platform toolkit for creative coding in C++.☆10,328Feb 6, 2026Updated 3 weeks ago
- Repository for OpenCV's extra modules☆10,001Updated this week
- 机器人视觉 移动机器人 VS-SLAM ORB-SLAM2 深度学习目标检测 yolov3 行为检测 opencv PCL 机器学习 无人驾驶☆8,569Jul 9, 2024Updated last year
- Java interface to OpenCV, FFmpeg, and more☆8,291Updated this week
- ASCII generator (image to text, image to image, video to video)☆8,142Nov 22, 2024Updated last year
- Go package for computer vision using OpenCV 4 and beyond. Includes support for DNN, CUDA, OpenCV Contrib, and OpenVINO.☆7,385Feb 18, 2026Updated last week
- (CGCSTCD'2017) An easy, flexible, and accurate plate recognition project for Chinese licenses in unconstrained situations. CGCSTCD = Chi…☆6,421Jun 4, 2024Updated last year
- Hide screen when boss is approaching.☆6,283Oct 31, 2018Updated 7 years ago
- Free RPA tool by AI Singapore☆6,232Feb 11, 2026Updated 2 weeks ago
- 👷 Build images with images☆6,054Oct 31, 2023Updated 2 years ago
- AI算法岗求职攻略（涵盖准备攻略、刷题指南、内推和AI公司清单等资料）☆5,987Jun 5, 2025Updated 8 months ago
- OpenCV wrapper for .NET☆5,922Updated this week
- Optimized implementation for color-icon-matrix barcodes☆5,857Feb 13, 2026Updated 2 weeks ago
- Python package for doing RPA☆5,455Sep 11, 2025Updated 5 months ago
- Simple and Distributed Machine Learning☆5,200Feb 14, 2026Updated last week
- Automated CI toolchain to produce precompiled opencv-python, opencv-python-headless, opencv-contrib-python and opencv-contrib-python-head…☆5,193Feb 3, 2026Updated 3 weeks ago
- Nodejs bindings to OpenCV 3 and OpenCV 4☆5,056Apr 18, 2023Updated 2 years ago
- Fast face detection, pupil/eyes localization and facial landmark points detection library in pure Go.☆4,694May 3, 2025Updated 9 months ago
- Visually simulate Git operations in your own repos with a single terminal command.☆4,658Jul 17, 2025Updated 7 months ago
- Head tracking software for MS Windows, Linux, and Apple OSX☆4,633Feb 19, 2026Updated last week
- Python and OpenCV-based scene cut/transition detection program & library.☆4,563Updated this week
- 🔥 A library for cropping image in a smart way that can identify the border and correct the cropped image. 智能图片裁剪框架。自动识别边框，手动调节选区，使用透视…☆4,122Aug 14, 2025Updated 6 months ago
- Open source Structure-from-Motion pipeline☆3,719Feb 11, 2026Updated 2 weeks ago
- A High-performance cross-platform Video Processing Python framework powerpacked with unique trailblazing features☆3,676Dec 25, 2025Updated 2 months ago
- OpenCV问答群不再维护。有问题，自己去 搜索。Google能找到大部分答案。☆3,427Dec 13, 2022Updated 3 years ago
- Turn a MacBook into a Touchscreen with $1 of Hardware☆3,291Sep 30, 2020Updated 5 years ago
- The minimal opencv for Android, iOS, ARM Linux, Windows, Linux, MacOS, HarmonyOS, WebAssembly, watchOS, tvOS, visionOS☆3,213Jan 2, 2026Updated last month
- SikuliX version 2.0.0+ (2019+)☆3,136Jan 21, 2026Updated last month
- 📖 OpenCV-Python image processing tutorial for beginners☆3,129Jul 11, 2023Updated 2 years ago
- Universal grid map library for mobile robotic mapping☆3,066Jan 13, 2026Updated last month
- QualityScaler - image/video AI upscaler app☆2,981Jan 27, 2026Updated last month
- nomacs is a free image viewer for windows, linux, and mac systems.☆2,790Updated this week
- A cross-platform video structuring (video analysis) framework. If you find it helpful, please give it a star: ) 跨平台的视频结构化（视频分析）框架，觉得有帮助的…☆2,695Jan 15, 2026Updated last month
- 👀 Eye Tracking library easily implementable to your projects☆2,515Oct 4, 2025Updated 4 months ago