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☆87,249Updated this week
- OpenPose: Real-time multi-person keypoint detection library for body, face, hands, and foot estimation☆34,022Aug 3, 2024Updated last year
- Learn OpenCV : C++ and Python Examples☆22,891Apr 24, 2026Updated last week
- Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval…☆15,291Mar 16, 2026Updated last month
- 一款入门级的人脸、视频、文字检测以及识别的项目.☆11,087Apr 16, 2020Updated 6 years ago
- RobotGo, Go Native cross-platform RPA, GUI automation, Auto test and Computer use @vcaesar☆10,695Apr 17, 2026Updated last week
- openFrameworks is a community-developed cross platform toolkit for creative coding in C++.☆10,363Updated this week
- Repository for OpenCV's extra modules☆10,061Apr 15, 2026Updated 2 weeks ago
- 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☆8,618Jul 9, 2024Updated last year
- Java interface to OpenCV, FFmpeg, and more☆8,307Feb 26, 2026Updated 2 months ago
- ASCII generator (image to text, image to image, video to video)☆8,220Nov 22, 2024Updated last year
- Go package for computer vision using OpenCV 4 and beyond. Includes support for DNN, CUDA, OpenCV Contrib, and OpenVINO.☆7,431Updated this week
- (CGCSTCD'2017) An easy, flexible, and accurate plate recognition project for Chinese licenses in unconstrained situations. CGCSTCD = Chi…☆6,425Jun 4, 2024Updated last year
- Hide screen when boss is approaching.☆6,280Oct 31, 2018Updated 7 years ago
- Free RPA tool by AI Singapore☆6,279Apr 13, 2026Updated 2 weeks 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）☆6,071Jun 5, 2025Updated 10 months ago
- 👷 Build images with images☆6,043Oct 31, 2023Updated 2 years ago
- Optimized implementation for color-icon-matrix barcodes☆5,998Updated this week
- OpenCV wrapper for .NET☆5,970Updated this week
- Python package for doing RPA☆5,468Sep 11, 2025Updated 7 months ago
- Automated CI toolchain to produce precompiled opencv-python, opencv-python-headless, opencv-contrib-python and opencv-contrib-python-head…☆5,249Feb 3, 2026Updated 2 months ago
- Simple and Distributed Machine Learning☆5,226Apr 24, 2026Updated last week
- Nodejs bindings to OpenCV 3 and OpenCV 4☆5,049Apr 18, 2023Updated 3 years ago
- Head tracking software for MS Windows, Linux, and Apple OSX☆4,756Mar 25, 2026Updated last month
- Python and OpenCV-based scene cut/transition detection program & library.☆4,747Updated this week
- Fast face detection, pupil/eyes localization and facial landmark points detection library in pure Go.☆4,704May 3, 2025Updated 11 months ago
- Visually simulate Git operations in your own repos with a single terminal command.☆4,659Jul 17, 2025Updated 9 months ago
- 🔥 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…☆4,126Aug 14, 2025Updated 8 months ago
- Open source Structure-from-Motion pipeline☆3,753Updated this week
- A High-performance cross-platform Video Processing Python framework powerpacked with unique trailblazing features☆3,696Updated this week
- 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。☆3,435Dec 13, 2022Updated 3 years ago
- Turn a MacBook into a Touchscreen with $1 of Hardware☆3,417Sep 30, 2020Updated 5 years ago
- The minimal opencv for Android, iOS, ARM Linux, Windows, Linux, MacOS, HarmonyOS, WebAssembly, watchOS, tvOS, visionOS☆3,264Apr 13, 2026Updated 2 weeks ago
- SikuliX version 2.0.0+ (2019+)☆3,165Apr 8, 2026Updated 3 weeks ago
- 📖 OpenCV-Python image processing tutorial for beginners☆3,139Jul 11, 2023Updated 2 years ago
- Universal grid map library for mobile robotic mapping☆3,118Jan 13, 2026Updated 3 months ago
- QualityScaler - image/video AI upscaler app☆3,036Apr 5, 2026Updated 3 weeks ago
- nomacs is a free image viewer for windows, linux, and mac systems.☆2,913Apr 17, 2026Updated last 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…☆2,784Feb 25, 2026Updated 2 months ago
- 👀 Eye Tracking library easily implementable to your projects☆2,556Oct 4, 2025Updated 6 months ago