Claim Your FREE OpenCV Crash Course
Dive into AI and Computer Vision, covering Image & Video Manipulation, Object and Face Detection, OpenCV Deep Learning Module and much more.
Enroll Now
OpenCV Member Store
Browse products and services from organizations that support OpenCV.
Shop Now
Consulting Services From OpenCV Experts.
OpenCV.AI is a world class team delivering Computer Vision solutions for your business.
Learn More
OpenCV Shirts & More
Support OpenCV and shop t-shirts, sweaters, pet bandanas, and more!
Shop Now
OpenCV Face Recognition
The world’s largest Computer Vision library meets
the world’s top-rated Face Recognition technology.
Learn More
OpenCV University
Discover the world’s most trustworthy destination for learning Computer Vision, Deep Learning, and AI.
Learn More
Days
Hours
Minutes
Seconds

OpenCV is the world's biggest computer vision library.

OpenCV is open source, contains over 2500 algorithms, and is operated by the non-profit Open Source Vision Foundation. Since June 2000.

Our Services

OpenCV.ai

Explore OpenCV's market-leading Computer Vision solutions.
 

OpenCV University

The world’s most trustworthy destination for learning Computer Vision, Deep Learning, and AI.

OpenCV Face Recognition

The world’s largest Computer Vision library meets the world’s top-rated Face Recognition technology.

OpenCV 20th anniversary Learn More

Our Blogs

This blog demonstrates how OpenCV HighGUI can be leveraged to build fully interactive GUIs. From handling mouse and keyboard events to creating trackbars, sliders, radio buttons, and checkboxes, learn how
Computer vision has evolved into one of the most approachable fields for anyone interested in practical AI, whether you’re a student, engineer, hobbyist, or maker. With the performance of the
This blog explores how to use OpenCV.js to develop interactive, real-time webcam filters right inside our browser. From capturing live video streams to applying filters such as blur, edge detection,

Open Source

OpenCV is open source and released under the Apache 2 License. It is free for commercial use.

Optimized

OpenCV is a highly optimized library with focus on real-time applications.

Cross-Platform

C++, Python and Java interfaces support Linux, MacOS, Windows, iOS, and Android.