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☆90,658Updated this week
- OpenPose: Real-time multi-person keypoint detection library for body, face, hands, and foot estimation☆34,421Aug 3, 2024Updated 2 years ago
- Learn OpenCV : C++ and Python Examples☆23,098Updated this week
- Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval…☆16,456Jul 14, 2026Updated last month
- 一款入门级的人脸、视频、文字检测以及识别的项目.☆11,079Apr 16, 2020Updated 6 years ago
- RobotGo, Go Native cross-platform RPA, GUI automation, Auto test and Computer use @vcaesar☆10,782Jul 29, 2026Updated last month
- openFrameworks is a community-developed cross platform toolkit for creative coding in C++.☆10,418Updated this week
- Repository for OpenCV's extra modules☆10,179Aug 14, 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☆8,703Jul 9, 2024Updated 2 years ago
- Java interface to OpenCV, FFmpeg, and more☆8,333Aug 12, 2026Updated 2 weeks ago
- ASCII generator (image to text, image to image, video to video)☆8,320Nov 22, 2024Updated last year
- Go package for computer vision using OpenCV 4 and beyond. Includes support for DNN, CUDA, OpenCV Contrib, and OpenVINO.☆7,494May 28, 2026Updated 3 months ago
- (CGCSTCD'2017) An easy, flexible, and accurate plate recognition project for Chinese licenses in unconstrained situations. CGCSTCD = Chi…☆6,429Jun 4, 2024Updated 2 years ago
- Free RPA tool by AI Singapore☆6,326Jul 21, 2026Updated last month
- Hide screen when boss is approaching.☆6,288Oct 31, 2018Updated 7 years ago
- Optimized implementation for color-icon-matrix barcodes☆6,437Aug 21, 2026Updated last week
- 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）☆6,148Jun 5, 2025Updated last year
- 👷 Build images with images☆6,057Oct 31, 2023Updated 2 years ago
- OpenCV wrapper for .NET☆6,080Aug 24, 2026Updated last week
- Python package for doing RPA☆5,496Jul 25, 2026Updated last month
- Automated CI toolchain to produce precompiled opencv-python, opencv-python-headless, opencv-contrib-python and opencv-contrib-python-head…☆5,372Aug 20, 2026Updated last week
- Simple and Distributed Machine Learning Python Library porting ML algorithms for Spark☆5,242Updated this week
- Nodejs bindings to OpenCV 3 and OpenCV 4☆5,049Apr 18, 2023Updated 3 years ago
- Python and OpenCV-based scene cut/transition detection program & library.☆5,140Updated this week
- Head tracking software for MS Windows, Linux, and Apple OSX☆5,083Updated this week
- Fast face detection, pupil/eyes localization and facial landmark points detection library in pure Go.☆4,730May 3, 2025Updated last year
- Visually simulate Git operations in your own repos with a single terminal command.☆4,680May 19, 2026Updated 3 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…☆4,132Aug 7, 2026Updated 3 weeks ago
- Open source Structure-from-Motion pipeline☆3,795Updated this week
- A High-performance cross-platform Video Processing Python framework powerpacked with unique trailblazing features☆3,723May 18, 2026Updated 3 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。☆3,440Dec 13, 2022Updated 3 years ago
- Turn a MacBook into a Touchscreen with $1 of Hardware☆3,426Sep 30, 2020Updated 5 years ago
- The minimal opencv for Android, iOS, ARM Linux, Windows, Linux, MacOS, HarmonyOS, WebAssembly, watchOS, tvOS, visionOS☆3,348Jul 12, 2026Updated last month
- SikuliX version 2.0.0+ (2019+)☆3,242Jul 24, 2026Updated last month
- Universal grid map library for mobile robotic mapping☆3,227Jan 13, 2026Updated 7 months ago
- 📖 OpenCV-Python image processing tutorial for beginners☆3,144Jul 11, 2023Updated 3 years ago
- QualityScaler - image/video AI upscaler app☆3,145Updated this week
- nomacs is a free image viewer for windows, linux, and mac systems.☆3,142Updated this week
- A cross-platform video structuring (video analysis) framework based on CV models & mLLM.☆2,933Feb 25, 2026Updated 6 months ago
- 👀 Eye Tracking library easily implementable to your projects☆2,621Apr 27, 2026Updated 4 months ago