Speeded up detection of squared fiducial markers

FJ Romero-Ramirez, R Muñoz-Salinas… - Image and vision …, 2018 - Elsevier
Squared planar markers have become a popular method for pose estimation in applications
such as autonomous robots, unmanned vehicles and virtual trainers. The markers allow …

[HTML][HTML] 3D reconstruction and automatic leakage defect quantification of metro tunnel based on SfM-Deep learning method

Y Xue, P Shi, F Jia, H Huang - Underground Space, 2022 - Elsevier
Various structural defects deteriorate tunnel operation status and threaten public safety.
Current tunnel inspection methods face problems of low efficiency, high equipment expense …

Vision-based positioning system for auto-docking of unmanned surface vehicles (USVs)

Ø Volden, A Stahl, TI Fossen - International Journal of Intelligent Robotics …, 2022 - Springer
This paper presents an independent stereo-vision based positioning system for docking
operations. The low-cost system consists of an object detector and different 3D …

Design, detection, and tracking of customized fiducial markers

D Jurado-Rodríguez, R Muñoz-Salinas… - IEEE …, 2021 - ieeexplore.ieee.org
Fiducial markers such as QR codes, ArUco, and AprilTag have become very popular tools
for labeling and camera positioning. They are robust and easy to detect, even in devices …

Fractal markers: A new approach for long-range marker pose estimation under occlusion

FJ Romero-Ramire, R Muñoz-Salinas… - IEEE …, 2019 - ieeexplore.ieee.org
Squared fiducial markers are a powerful tool for camera pose estimation in applications
such as robots, unmanned vehicles and augmented reality. The four corners of a single …

The use of CNNs in VR/AR/MR/XR: a systematic literature review

D Cortes, B Bermejo, C Juiz - Virtual Reality, 2024 - Springer
This study offers a systematic literature review on the application of Convolutional Neural
Networks in Virtual Reality, Augmented Reality, Mixed Reality, and Extended Reality …

Designing of marker-based augmented reality learning environment for kids using convolutional neural network architecture

AK Dash, SK Behera, DP Dogra, PP Roy - Displays, 2018 - Elsevier
This paper focuses on using the augmented reality (AR) technology to create visual-aids
through display for early childhood learning. The proposed methodology works on the …

[HTML][HTML] Development and experimental evaluation of visual-acoustic navigation for safe maneuvering of unmanned surface vehicles in harbor and waterway areas

Ø Volden, D Cabecinhas, A Pascoal, TI Fossen - Ocean Engineering, 2023 - Elsevier
Ship maneuvering in narrow harbor environments requires accurate navigation data to
operate safely. Since Global Navigation Satellite Systems (GNSS) can be unreliable and …

Aruco marker detection under occlusion using convolutional neural network

B Li, J Wu, X Tan, B Wang - 2020 5th international conference …, 2020 - ieeexplore.ieee.org
Camera pose estimation is a significant warranty during Unmanned Aerial Vehicle (UAV)
autonomous landing process. Fiducial marker system is a popular method to offer relatively …

DeepArUco++: Improved detection of square fiducial markers in challenging lighting conditions

R Berral-Soler, R Muñoz-Salinas… - Image and Vision …, 2024 - Elsevier
Fiducial markers are a computer vision tool used for object pose estimation and detection.
These markers are highly useful in fields such as industry, medicine and logistics. However …