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While UWB-based methods can achieve high localization accuracy in small-scale areas, their accuracy and reliability are significantly challenged in large-scale environments. In this paper, we propose a learning-based framework named ULOC…

Robotics · Computer Science 2024-09-18 Thien-Minh Nguyen , Yizhuo Yang , Tien-Dat Nguyen , Shenghai Yuan , Lihua Xie

Indoor localization of autonomous mobile robots (AMRs) can be realized with fiducial markers. Such systems require only a simple, monocular camera as sensor and fiducial markers as passive, identifiable position references that can be…

Image and Video Processing · Electrical Eng. & Systems 2026-01-27 Sven Hinderer , Martina Scheffler , Bin Yang

This letter presents a cooperative relative multi-robot localization design and experimental study. We propose a flexible Monte Carlo approach leveraging a particle filter to estimate relative states. The estimation can be based on…

The visible orientation of human eyes creates some transparency about people's spatial attention and other mental states. This leads to a dual role of the eyes as a means of sensing and communication. Accordingly, artificial eye models are…

Human-Computer Interaction · Computer Science 2026-01-30 Matti Krüger , Yutaka Oshima , Yu Fang

The inclusion of material identification in wireless communication system is an emerging area that offers many opportunities for 6G systems. By using reflected radio wave to determine the material of reflecting surface, not only the…

Information Theory · Computer Science 2022-01-25 Yi Geng

An important focus of current research in the field of Micro Aerial Vehicles (MAVs) is to increase the safety of their operation in general unstructured environments. Especially indoors, where GPS cannot be used for localization, reliable…

Computer Vision and Pattern Recognition · Computer Science 2015-05-12 T. Holzmann , R. Prettenthaler , J. Pestana , D. Muschick , G. Graber , C. Mostegel , F. Fraundorfer , H. Bischof

This paper presents a provably correct method for robot navigation in 2D environments cluttered with familiar but unexpected non-convex, star-shaped obstacles as well as completely unknown, convex obstacles. We presuppose a limited range…

Robotics · Computer Science 2018-10-30 Vasileios Vasilopoulos , Daniel E. Koditschek

Rover localization is one of the perquisites for large scale rover exploration. In NASA's Mars 2020 mission, the Ingenuity helicopter is carried together with the rover, which is capable of obtaining high-resolution imagery of Mars terrain,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Lang Zhou , Zhitai Zhang , Hongliang Wang

Visual Place Recognition (VPR) is a fundamental yet challenging task for small Unmanned Aerial Vehicle (UAV). The core reasons are the extreme viewpoint changes, and limited computational power onboard a UAV which restricts the…

Computer Vision and Pattern Recognition · Computer Science 2019-08-02 Bruno Ferrarini , Maria Waheed , Sania Waheed , Shoaib Ehsan , Michael Milford , Klaus D. McDonald-Maier

Range-measuring sensors play a critical role in autonomous driving systems. While LiDAR technology has been dominant, its vulnerability to adverse weather conditions is well-documented. This paper focuses on secondary adverse conditions and…

Robotics · Computer Science 2023-09-20 Michael Loetscher , Nicolas Baumann , Edoardo Ghignone , Andrea Ronco , Michele Magno

The calibration of weather radar for detecting meteorological phenomena has advanced rapidly, aiming to enhance accuracy. Utilizing an unmanned aerial vehicle (UAV) equipped with a suspended metal sphere introduces an efficient calibration…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Jiabiao Zhao , Da Li , Jiayuan Cui , Houjun Sun , Jianjun Ma

This paper studies the optimal unmanned aerial vehicle (UAV) placement problem for wireless networking. The UAV operates as a flying wireless relay to provide coverage extension for a base station (BS) and deliver capacity boost to a user…

Information Theory · Computer Science 2019-11-01 Junting Chen , David Gesbert

Localization in a global map is critical to success in many autonomous robot missions. This is particularly challenging for multi-robot operations in unknown and adverse environments. Here, we are concerned with providing a small unmanned…

Robotics · Computer Science 2016-09-20 Gordon Christie , Garrett Warnell , Kevin Kochersberger

The use of multi-rotor Unmanned Aerial Vehicles (UAVs) for search and rescue as well as remote sensing is rapidly increasing. Multi-rotor UAVs, however, have limited endurance. The range of UAV applications can be widened if teams of…

Robotics · Computer Science 2021-08-12 Xiaolong Zhu , Fernando Vanegas , Felipe Gonzalez , Conrad Sanderson

A novel approach for the fast onboard detection of isolated markers for visual relative localisation of multiple teammates in agile UAV swarms is introduced in this paper. As the detection forms a key component of real-time localisation…

Robotics · Computer Science 2025-10-24 Vojtěch Vrba , Viktor Walter , Petr Štěpán , Martin Saska

Reliable localization is an essential capability for marine robots navigating in GPS-denied environments. SLAM, commonly used to mitigate dead reckoning errors, still fails in feature-sparse environments or with limited-range sensors. Pose…

Robotics · Computer Science 2024-11-12 Ivana Collado-Gonzalez , John McConnell , Jinkun Wang , Paul Szenher , Brendan Englot

By harnessing fiducial markers as visual landmarks in the environment, Unmanned Aerial Vehicles (UAVs) can rapidly build precise maps and navigate spaces safely and efficiently, unlocking their potential for fluent collaboration and…

Robotics · Computer Science 2025-02-19 Sourav Raxit , Simant Bahadur Singh , Abdullah Al Redwan Newaz

The 3D depth estimation and relative pose estimation problem within a decentralized architecture is a challenging problem that arises in missions that require coordination among multiple vision-controlled robots. The depth estimation…

Robotics · Computer Science 2019-08-02 Romulo T. Rodrigues , Pedro Miraldo , Dimos V. Dimarogonas , A. Pedro Aguiar

To autonomously navigate in real-world environments, special in search and rescue operations, Unmanned Aerial Vehicles (UAVs) necessitate comprehensive maps to ensure safety. However, the prevalent metric map often lacks semantic…

Robotics · Computer Science 2024-01-17 Thanh Nguyen Canh , Armagan Elibol , Nak Young Chong , Xiem HoangVan

We propose an Ultra-Fast, Device-Free Visible Light Sensing and Positioning system that captures spatiotemporal variations in single-LED VLC channel responses, using ceiling-mounted photodetectors, to accurately and non-intrusively infer…

Signal Processing · Electrical Eng. & Systems 2026-02-05 Helena Serpi , Christina , Politi