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LearnOpenCV

Code examples for hundreds of tutorials on computer vision, teaching computers to understand images and video.

What it does

LearnOpenCV holds the code that goes with articles on the LearnOpenCV.com blog. The articles cover computer vision, the part of AI that helps computers make sense of pictures and video.

Topics range from basics like resizing and cropping images to object detection, tracking, 3D reconstruction and newer AI models that can see and hear. Most examples are in Python or C++.

The repository is run by an AI consulting company.

Who it's for

Students, hobbyists and developers learning computer vision by example.

Can I use it without coding?

Developers only. The tutorials are free to read, but the examples involve running code. New to this? Start here.

Can I run it?

Cost
FreeNothing to pay or sign up for.
API key
Not needed

Try it

  1. Pick a topic from the list of blog posts in the README.
  2. Read the matching article on the LearnOpenCV blog and open its code folder to follow along.

Using Claude Code, Cursor or another AI coding assistant? Paste the prompt and it will walk you through the setup.New to this?

Before you install

  • Only download from the official GitHub page. Copies with similar names exist for many popular projects.
  • No standard license listed. Check the GitHub page before using it for business.
  • More on staying safe

Where people are talking about it