docs/user_guide/aruco_markers/introduction.md


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About ArUco markers
===================

![OpenCV ArUco markers](https://pyimagesearch.com/wp-content/uploads/2020/12/aruco_generate_tags_header.png)

The OpenCV library provides a module to detect fiducial markers into a picture and estimate its pose (cf [OpenCV ArUco tutorial page](https://docs.opencv.org/4.x/d5/dae/tutorial_aruco_detection.html)).

The ArGaze [ArUcoMarkers submodule](../../argaze.md/#argaze.ArUcoMarkers) eases markers creation, camera calibration, markers detection and 3D scene pose estimation through a set of high level classes:

* [ArUcoMarkersDictionary](../../argaze.md/#argaze.ArUcoMarkers.ArUcoMarkersDictionary)
* [ArUcoMarkers](../../argaze.md/#argaze.ArUcoMarkers.ArUcoMarker)
* [ArUcoBoard](../../argaze.md/#argaze.ArUcoMarkers.ArUcoBoard)
* [ArUcoOpticCalibrator](../../argaze.md/#argaze.ArUcoMarkers.ArUcoOpticCalibrator)
* [ArUcoDetector](../../argaze.md/#argaze.ArUcoMarkers.ArUcoDetector)
* [ArUcoScene](../../argaze.md/#argaze.ArUcoMarkers.ArUcoScene)