Fiducial markers for pose estimation: Overview, applications and experimental comparison of the artag, apriltag, aruco and stag markers

M Kalaitzakis, B Cain, S Carroll, A Ambrosi… - Journal of Intelligent & …, 2021 - Springer
Robust localization is critical for the navigation and control of mobile robots. Global
Navigation Satellite Systems (GNSS), Visual-Inertial Odometry (VIO), and Simultaneous …

AprilTag 2: Efficient and robust fiducial detection

J Wang, E Olson - 2016 IEEE/RSJ International Conference on …, 2016 - ieeexplore.ieee.org
AprilTags and other passive fiducial markers require specialized algorithms to detect
markers among other features in a natural scene. The vision processing steps generally …

Pose estimation for augmented reality: a hands-on survey

E Marchand, H Uchiyama… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
Augmented reality (AR) allows to seamlessly insert virtual objects in an image sequence. In
order to accomplish this goal, it is important that synthetic elements are rendered and …

Designing a simple fiducial marker for localization in spatial scenes using neural networks

M Košťák, A Slabý - Sensors, 2021 - mdpi.com
The paper describes the process of designing a simple fiducial marker. The marker is meant
for use in augmented reality applications. Unlike other systems, it does not encode any …

Chromatag: A colored marker and fast detection algorithm

J DeGol, T Bretl, D Hoiem - Proceedings of the IEEE …, 2017 - openaccess.thecvf.com
Current fiducial marker detection algorithms rely on marker IDs for false positive rejection.
Time is wasted on potential detections that will eventually be rejected as false positives. We …

TopoTag: A robust and scalable topological fiducial marker system

G Yu, Y Hu, J Dai - IEEE Transactions on Visualization and …, 2020 - ieeexplore.ieee.org
Fiducial markers have been playing an important role in augmented reality (AR), robot
navigation, and general applications where the relative pose between a camera and an …

Detection and accurate localization of circular fiducials under highly challenging conditions

L Calvet, P Gurdjos, C Griwodz… - Proceedings of the …, 2016 - openaccess.thecvf.com
Using fiducial markers ensures reliable detection and identification of planar features in
images. Fiducials are used in a wide range of applications, especially when a reliable visual …

STag: A stable fiducial marker system

B Benligiray, C Topal, C Akinlar - Image and Vision Computing, 2019 - Elsevier
Fiducial markers provide better-defined features than the ones naturally available in the
scene. For this reason, they are widely utilized in computer vision applications where …

Machine vision-based positioning and inspection using expectation–maximization technique

D Tsai, Y Hsieh - IEEE Transactions on Instrumentation and …, 2017 - ieeexplore.ieee.org
Precision positioning is very important for automatic assembly and inspection in the
electronic manufacturing process. In this paper, we propose a fast image alignment method …

[HTML][HTML] Vision-based situational graphs exploiting fiducial markers for the integration of semantic entities

A Tourani, H Bavle, DI Avşar, JL Sanchez-Lopez… - Robotics, 2024 - mdpi.com
Situational Graphs (S-Graphs) merge geometric models of the environment generated by
Simultaneous Localization and Map** (SLAM) approaches with 3D scene graphs into a …