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opencv

Open Source Computer Vision Library

by opencv · GitHub
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c-plus-pluscomputer-visiondeep-learningApache-2.0C++
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In plain words

OpenCV is the toolbox for reading, transforming and analysing images and video — the layer beneath most vision pipelines, including the deep ones.

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2026-06-272026-08-31
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📄 About

Open Source Computer Vision Library

opencv has 90k stars on GitHub. It has been forked 56.8k times. opencv is written mainly in C++. It has been in active development since 2012. opencv is available under the Apache-2.0 license. Its main topics are c-plus-plus, computer-vision, deep-learning, image-processing.

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Frequently asked questions

What is opencv?

Open Source Computer Vision Library

Is opencv open source?

opencv is an open-source project. It is released under the Apache-2.0 license.

Is opencv free?

Yes. opencv is free and open source — you can use, modify and self-host it.

What license does opencv use?

opencv is available under the Apache-2.0 license.

What language is opencv written in?

opencv is written mainly in C++.

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