Results 21 to 30 of about 687 (166)

Warehouse Drone: Indoor Positioning and Product Counter with Virtual Fiducial Markers

open access: yesDrones, 2022
The use of robotic systems in logistics has increased the importance of precise positioning, especially in warehouses. The paper presents a system that uses virtual fiducial markers to accurately predict the position of a drone in a warehouse and count ...
Murat Ekici   +3 more
doaj   +1 more source

Measurement of plant leaf area as a result of drone acquisition with arUco markers as a reference [PDF]

open access: yesE3S Web of Conferences, 2023
Drones or called Unmanned Aerial Vehicle is an unmanned aircraft technology that is controlled using a remote. Drones are able to enter various sectors including the agricultural, transportation, military and maritime sectors. In the agricultural sector,
Masykur Fauzan   +2 more
doaj   +1 more source

SnappySonic: An Ultrasound Acquisition Replay Simulator

open access: yesJournal of Open Research Software, 2020
SnappySonic provides an ultrasound acquisition replay simulator designed for public engagement and training. It provides a simple interface to allow users to experience ultrasound acquisition without the need for specialist hardware or acoustically ...
Stephen Thompson   +7 more
doaj   +1 more source

Multi-sensor fusion positioning of detection robot for tailings pond flood discharge tunnel

open access: yesGong-kuang zidonghua, 2022
The environment in the flood discharge tunnel of tailings pond is complex, and the existing positioning algorithm of detection robot has the problem of positioning failure in weak texture indoor scene, which is difficult to be applied to the precise ...
ZHOU Yibo   +3 more
doaj   +1 more source

Leader–Follower Approach for Non-Holonomic Mobile Robots Based on Extended Kalman Filter Sensor Data Fusion and Extended On-Board Camera Perception Controlled with Behavior Tree

open access: yesSensors, 2023
This paper presents a leader–follower mobile robot control approach using onboard sensors. The follower robot is equipped with an Intel RealSense camera mounted on a rotating platform. Camera observations and ArUco markers are used to localize the robots
Arpit Joon, Wojciech Kowalczyk
doaj   +1 more source

FiMa-Reader: A Cost-Effective Fiducial Marker Reader System for Autonomous Mobile Robot Docking in Manufacturing Environments

open access: yesApplied Sciences, 2023
Accurately docking mobile robots to various workstations on the factory floor is a common and essential task. The existing docking methods face three major challenges: intricate deployment procedures, susceptibility to ambient lighting, and incapacity to
Xu Bian   +4 more
doaj   +1 more source

Relative Vessel Motion Tracking using Sensor Fusion, Aruco Markers, and MRU Sensors [PDF]

open access: yesModeling, Identification and Control, 2017
This paper presents a novel approach for estimating the relative motion between two moving offshore vessels. The method is based on a sensor fusion algorithm including a vision system and two motion reference units (MRUs).
Sondre Sanden Tordal, Geir Hovland
doaj   +1 more source

Hybrid electromagnetic-ArUco tracking of laparoscopic ultrasound transducer in laparoscopic video [PDF]

open access: yesJournal of Medical Imaging, 2021
Purpose: The purpose of this work was to develop a new method of tracking a laparoscopic ultrasound (LUS) transducer in laparoscopic video by combining the hardware [e.g., electromagnetic (EM)] and the computer vision-based (e.g., ArUco) tracking methods. Approach: We developed a special tracking mount for the imaging tip of the LUS transducer.
Liu, Xinyang   +2 more
openaire   +2 more sources

Performance Analysis of Low-Cost Tracking System for Mobile Robots

open access: yesMachines, 2020
This paper proposes a reliable and straightforward approach to mobile robots (or moving objects in general) indoor tracking, in order to perform a preliminary study on their dynamics.
Andrea Botta, Giuseppe Quaglia
doaj   +1 more source

NAPS: Integrating pose estimation and tag‐based tracking

open access: yesMethods in Ecology and Evolution, 2023
Significant advances in computational ethology have allowed the quantification of behaviour in unprecedented detail. Tracking animals in social groups, however, remains challenging as most existing methods can either capture pose or robustly retain ...
Scott W. Wolf   +8 more
doaj   +1 more source

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