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Questions tagged [aruco]

ArUco is a C++ library (based on OpenCV) for detection of squared planar markers. Use this tag for questions about using the library.

ArUco is a library that can detect a variety of markers in images and video. Intended for use with , it is based on and is available for a variety of platforms.

The author maintains a page that includes links to documentation and the download site on SourceForge.

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Aruco marker : get orientation and position after pose estimation

I want to know the real position and orientation of my marker. If I understood well, tvecs gives me the real position of my marker, I measure the distance with a ruler and it seems be correct even I had sometimes weird values. If someone has an idea…
Newbi
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All ArUo Tags are getting Rejected when passing the image data from Unity

Background I am trying to detect ArUco markers from image data sent from Unity to OpenCV Functions which are accessed using their .dlls. Versions OpenCV : 4.5.0/4.5.1 Unity : 2020.1.17f1 Aruco dictionary : 6x6_250 family and AprilTags 36h11…
holouser
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Get position of Aruco marker in world's coordinate to compare with the real distance

I work on a project with aruco markers with OpenCV and I want to compare some parameters : I'm going to enter the distance between the marker and camera for example 30cm/0.03m, the size of the marker and the orientation. Then I'm going to do the…
Newbi
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OpenCV aruco detection fails on estimatePoseBoard()

I'm trying to detect a 3x3 Aruco board. The code runs until the params on line 33 are met, then line 35 throws the same error regardless of how many markers are in frame (i.e. between 1 and all 9) The output is width: 3 height: 3 marker_size:…
Aaron
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C++ : Error LNK2019 using ArUCo-OpenGL- Freeglut in VisualStudio

First time posting here, tell me if you need something else in order to help me! I am trying to set up a simple AR application using ArUco and OpenGL in C++. I build and installed ArUco, same for freeglut because glut is quite old by now but after…
Axel Goris
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opencv aruco module crashes on AMD processors, but runs on Intel processors

I have a function in my application that uses opencv and the cv::aruco module. On machines with Intel cpus, it runs great. (tested on more than 20 PCs). On machines with AMD cpus (tested on two), it freezes and crashes the application. The only…
anti
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Aruco markers pose estimation opencv for moving objects

I am trying to track an object in space. For the same, I have stuck an AruCo marker on the object. Due to the dimensions of the object, the marker is fairly small, with a size of 4.5cm x 4.5 cm. The camera is roughly about 50cm away from the marker…
OlorinIstari
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Unity3D & OpenCV using a custom camera (AruCo)

I have been trying to perform AruCo or Marker detection in unity using a customer camera that can provide a texture, this is not a regular camera so you cant use the regular webcamtexture that comes with the package, i have been trying everything…
Chop Labalagun
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ArUco Marker location in recreated unity scene

I'm quite the beginner using Unity. For a project, I placed ArUco markers on cubes, placed in front of a camera. In Unity, I recreated the setup, with the location of the Cubes and the ARCamera being the same as in real life, the camera being the…
Leanhope
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Interchange the of origin of a 3D plane

I am working on a fiducial marker system (like Aruco) to obtain a 3d pose of markers (3d coordinates (x, y, z) and the roll, pitch, yaw of the marker) with respect to the camera. The overall setup is as shown in the figure. Marker-Camera Right now,…
elementaryshr
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Converting ArUco axis-angle to Unity3D Quaternion

I'm interested in comparing the quaternions of an object presented in the real-world (with ArUco marker on top of it) and its simulated version in Unity3D. To do this, I generated different scenes in Unity with the object in different locations. I…
Alice J
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How to use chrono sleep until without lag?

I am just a starter in c++, i need to draw object on existing four markers with a delay between each marker and the other, i tried to use Chrono_ sleep_until, but it causes my program to lag, and even the object is instantly appearing and…
M_Mohy
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Opencv stops when aruco::detectMarkers crashes is called

I am trying to track my aruco markers but when I call the detectMarkers() function my application stops and I have absolutely no idea why. So I am using it like this : aruco::detectMarkers(colorMat, markerDictionnary, markerCorners, markerIds); The…
Jack
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Unresolved symbol using aruco with opencv4

I am trying to use the camera pose from opencv. So I'm following this series of tutorial which leads me to include these : #include #include #include #include…
Jack
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Relative translation - Aruco

I'm using Aruco to find the relative translation between the marker and the camera, I calibrated my camera and got its intrinsic parameters. I then have found the relative pose using estimatePoseSingleMarkers function in OpenCV for python. My camera…
Raghad
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