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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The OpenCV Community Survey for 2025 is open, and we’re asking for your participation! It’s a short, focused online survey open to the entire OpenCV community that will take just
Earlier this year OpenCV was selected to be part of the GitHub Secure Open Source Fund, which provides maintainers with financial support to participate in a three-week program educating them
In the complex world of modern medicine, two forms of data reign supreme: the visual and the textual. On one side, a deluge of images, X-rays, MRIs, and pathology slides.
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.
