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Place recognition is a key module in robotic navigation. The existing line of studies mostly focuses on visual place recognition to recognize previously visited places solely based on their appearance. In this paper, we address structural…

Robotics · Computer Science 2021-09-29 Giseop Kim , Sunwook Choi , Ayoung Kim

Visual Place Recognition (VPR) systems often have imperfect performance, affecting the `integrity' of position estimates and subsequent robot navigation decisions. Previously, SVM classifiers have been used to monitor VPR integrity. This…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Owen Claxton , Connor Malone , Helen Carson , Jason Ford , Gabe Bolton , Iman Shames , Michael Milford

We study the time-of-arrival problem for relativistic particles constrained to move on a ring, formulating the problem entirely within Quantum Field Theory (QFT). In contrast to its counterpart for motion in a line, the circle topology…

Quantum Physics · Physics 2026-03-31 Iason Vakondios , Charis Anastopoulos

In normal observation procedures, the position of the observer is specified by GPS and celestial positions of an object will be calculated. But in some situations, like small zenith angle FOVs, GPS doesn't work. Therefore in this study, the…

Instrumentation and Methods for Astrophysics · Physics 2018-06-05 Meysam Izadmehr , Mehdi Khakian Ghom

The SLAM problem is known to have a special property that when robot orientation is known, estimating the history of robot poses and feature locations can be posed as a standard linear least squares problem. In this work, we develop a SLAM…

Robotics · Computer Science 2016-09-20 Saurav Agarwal , Vikram Shree , Suman Chakravorty

This work presents a new approach for detection and exclusion (or de-weighting) of pseudo-range measurements from the Global Navigation Satellite System (GNSS) in order to improve the accuracy of single-epoch positioning, which is an…

Signal Processing · Electrical Eng. & Systems 2023-06-12 Ibrahim Sbeity , Christophe Villien , Christophe Combettes , Benoît Denis , E Veronica Belmega , Marwa Chafii

The reduced cost and computational and calibration requirements of monocular cameras make them ideal positioning sensors for mobile robots, albeit at the expense of any meaningful depth measurement. Solutions proposed by some scholars to…

Robotics · Computer Science 2024-04-30 Yi Shen , Hao Liu , Xinxin Liu , Wenjing Zhou , Chang Zhou , Yizhou Chen

Localization of a wireless mobile device or a robot in indoor and GPS-denied environments is a difficult problem, particularly in dynamic scenarios where traditional cameras and LIDAR-based alternative sensing and localization modalities…

Robotics · Computer Science 2022-01-14 Ehsan Latif , Ramviyas Parasuraman

In this paper, we present PALMS, an innovative indoor global localization and relocalization system for mobile smartphones that utilizes publicly available floor plans. Unlike most vision-based methods that require constant visual input,…

Robotics · Computer Science 2024-10-22 Yunqian Cheng , Roberto Manduchi

We propose a feedback scheme to control the vibrational motion of a single trapped particle based on indirect measurements of its position. It results the possibility of a motional phase space uncertainty contraction, correponding to cool…

Quantum Physics · Physics 2008-12-18 Stefano Mancini , David Vitali , Paolo Tombesi

Increase in the number of space exploration missions has led to the accumulation of space debris, posing risk of collision with the operational satellites. Addressing this challenge is crucial for the sustainability of space operations. To…

Systems and Control · Electrical Eng. & Systems 2025-10-10 Rakesh Kumar Sahoo , Paridhi Choudhary , Manoranjan Sinha

Local navigation in cluttered environments often suffers from dense obstacles and frequent local minima. Conventional local planners rely on heuristics and are prone to failure, while deep reinforcement learning(DRL)based approaches provide…

Robotics · Computer Science 2026-03-18 Jiwon Park , Dongkyu Lee , I Made Aswin Nahrendra , Jaeyoung Lim , Hyun Myung

Autonomous driving has long grappled with the need for precise absolute localization, making full autonomy elusive and raising the capital entry barriers for startups. This study delves into the feasibility of local trajectory planning for…

Robotics · Computer Science 2023-09-07 Sheng Zhu , Jiawei Wang , Yu Yang , Bilin Aksun-Guvenc

This paper develops an arbitrary-positioned buffer for the smoothed particle hydrodynamics (SPH) method, whose generality and high efficiency are achieved through two techniques. First, with the local coordinate system established at each…

Computational Engineering, Finance, and Science · Computer Science 2024-06-25 Shuoguo Zhang , Yu Fan , Yaru Ren , Bin Qian , Xiangyu Hu

Accurate localization is crucial for water robotics, yet traditional onboard Global Navigation Satellite System (GNSS) approaches are difficult or ineffective due to signal reflection on the water's surface and its high cost of aquatic GNSS…

This paper proposes a passivity-based port-Hamiltonian (pH) framework for multi-agent displacement-based and rigid formation control and velocity tracking. The control law consists of two parts, where the internal feedback is to track the…

Systems and Control · Electrical Eng. & Systems 2023-05-18 Ningbo Li , Zhiyong Sun , Arjan van der Schaft , Jacquelien M. A. Scherpen

Indoor localization for autonomous micro aerial vehicles (MAVs) requires specific localization techniques, since the Global Positioning System (GPS) is usually not available. We present an efficient onboard computer vision approach that…

Robotics · Computer Science 2016-10-25 V. Strobel , R. Meertens , G. C. H. E. de Croon

A high performance Space-Time Reference in orbit could be realized using a stable atomic clock in a precisely defined orbit and linking that to high accuracy atomic clocks on the ground using a laser based time-transfer link. This would…

Optics · Physics 2017-08-23 Paul Berceau , Leo Hollberg

We consider the problem of self-localization by a resource-constrained node within a network given radio signal strength indicator (RSSI) measurements from a set of anchor nodes where the RSSI measurements as well as the anchor position…

Information Theory · Computer Science 2017-06-15 Vikram Kumar , Reza Arablouei , Brano Kusy , Raja Jurdak , Neil W. Bergmann

Magnetic navigation (MagNav) is a rising alternative to the Global Positioning System (GPS) and has proven useful for aircraft navigation. Traditional aircraft navigation systems, while effective, face limitations in precision and…

Machine Learning · Computer Science 2024-01-19 Favour Nerrise , Andrew Sosa Sosanya , Patrick Neary
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