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.
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Live Stream Date/Time: Thursday, October 1st, 2026 @ 9am Pacific. Akshat Mandloi, co-founder of Smallest.ai, joins OpenCV Live to answer a question most of us have wondered on hold with
Click-Ins runs inspections for insurers, rental fleets and dealerships from ordinary phone photos. The models behind it are trained almost entirely on rendered data: 3D vehicle models with procedurally generated
Run YOLO26 detection and RF-DETR instance segmentation with OpenCV 5. Follow tested Python and C++ examples, ONNX export steps, and real output images.
Competitions
Explore current and past OpenCV competitions, from spatial AI to industrial robotics.
Current competition · 2026
OpenCV AI Competition 2026
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Build with OpenCV 5 and AWS. $20,250 in prizes and AWS credits, including $150 each for 55 selected participants.
Explore competitionPast competitions
2025
Perception Challenge for Bin-Picking
An industrial robotics challenge for estimating object poses and picking parts with a real robot.
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2022
OpenCV AI Scavenger Hunt
An AI-powered hunt using OpenVINO models and clues to uncover prompts behind generated images.
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2022
OpenCV AI Competition 2022
Two tracks for real-world OpenCV applications and depth estimation with OAK-D-Pro.
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2021–2022
OpenCV Spatial AI Contest
Teams combined OAK-D-LITE and LEGO to model AI-powered manufacturing solutions.
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2021
OpenCV AI Competition 2021
A global spatial AI competition with OAK-D, regional awards and a worldwide final.
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2020
OpenCV Spatial AI Competition
Real-world spatial AI applications built with OAK-D and OpenVINO.
View competitionOpen 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.