If you are building a C++ project, you need to download both the OpenCV source code and the OpenCV Contrib modules . Clone both repositories from GitHub.
Defines the marker type (e.g., DICT_6X6_250 means a 6x6 grid with 250 possible IDs). opencv aruco download
Run your compiler (like make or Visual Studio) to build the library with ArUco support. How to Use OpenCV ArUco Once Downloaded Generating Markers If you are building a C++ project, you
You don't need to download marker images from the internet; you can generate them directly in your code using . opencv aruco download