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Localizing an image wrt. a 3D scene model represents a core task for many computer vision applications. An increasing number of real-world applications of visual localization on mobile devices, e.g., Augmented Reality or autonomous robots…

计算机视觉与模式识别 · 计算机科学 2019-04-23 Federico Camposeco , Andrea Cohen , Marc Pollefeys , Torsten Sattler

This paper considers a radio-frequency (RF)-based simultaneous localization and source-seeking (SLASS) problem in multi-robot systems, where multiple robots jointly localize themselves and an RF source using distance-only measurements…

信号处理 · 电气工程与系统科学 2023-06-28 Ke Xu , Rui Zhang , He Chen

Localization which uses holographic multiple input multiple output surface such as reconfigurable intelligent surface (RIS) has gained increasing attention due to its ability to accurately localize users in non-line-of-sight conditions.…

信号处理 · 电气工程与系统科学 2024-01-15 Mengyuan Cao , Haobo Zhang , Boya Di , Hongliang Zhang

This paper proposes a novel multiple intelligent reflecting surfaces (IRSs) collaborative hybrid localization system, which involves deploying multiple IRSs near the target area and achieving target localization through joint time delay and…

信号处理 · 电气工程与系统科学 2025-11-06 Ziheng Zhang , Wen Chen , Qingqing Wu , Haoran Qin , Zhendong Li , Qiong Wu

In this paper, we design an information-based multi-robot source seeking algorithm where a group of mobile sensors localizes and moves close to a single source using only local range-based measurements. In the algorithm, the mobile sensors…

机器人学 · 计算机科学 2023-09-14 Tianpeng Zhang , Victor Qin , Yujie Tang , Na Li

A multiple classifiers fusion localization technique using received signal strengths (RSSs) of visible light is proposed, in which the proposed system transmits different intensity modulated sinusoidal signals by LEDs and the signals…

机器学习 · 统计学 2017-12-21 Xiansheng Guo , Sihua Shao , Nirwan Ansari , Abdallah Khreishah

This paper investigates the hybrid source localization problem using the four radio measurements - time of arrival (TOA), time difference of arrival (TDOA), received signal strength (RSS), and angle of arrival (AOA). First, after invoking…

信号处理 · 电气工程与系统科学 2025-10-07 Kuntal Panwar , Prabhu Babu , R. Jyothi

This paper considers the problem of localising a stationary signal source using a team of mobile agents which only take binary measurements. Background false detection rates and missed detection probabilities are incorporated into the…

信号处理 · 电气工程与系统科学 2018-09-13 Daniel D. Selvaratnam , Iman Shames , Jonathan H. Manton , Branko Ristic

Accurate and consistent vehicle localization in urban areas is challenging due to the large-scale and complicated environments. In this paper, we propose onlineFGO, a novel time-centric graph-optimization-based localization method that…

机器人学 · 计算机科学 2023-09-04 Haoming Zhang , Felix Widmayer , Lars Lünnemann , Dirk Abel

A common approach to localize a mobile robot is by measuring distances to points of known positions, called anchors. Locating a device from distance measurements is typically posed as a non-convex optimization problem, stemming from the…

机器人学 · 计算机科学 2024-09-04 Frederike Dümbgen , Connor Holmes , Timothy D. Barfoot

The innovative agriculture system is revolutionizing how we farm, making it one of the most critical innovations of our time! Yet it faces significant connectivity challenges, particularly with the sensors that power this technology. An…

系统与控制 · 电气工程与系统科学 2025-12-18 Mohamed Naeem

This purpose of this paper is to locate a single localized source from three range measurements with multiplicative noises. Although some minimization approaches for additive noise have been found, studies on the existence of solutions are…

信号处理 · 电气工程与系统科学 2020-05-04 Kiwoon Kwon

This paper introduces a novel method for solving the single-source localization problem, specifically addressing the case of trilateration. We formulate the problem as a weighted least-squares problem in the squared distances and…

最优化与控制 · 数学 2025-02-26 Martin Larsson , Viktor Larsson , Kalle Åström , Magnus Oskarsson

In this paper we use the MAP criterion to locate a region containing a source. Sensors placed in a field of interest divide the latter into smaller regions and take measurements that are transmitted over noisy wireless channels. We propose…

最优化与控制 · 数学 2009-03-19 S. H. Dandach , F. Bullo

We propose a class of convex relaxations to solve the sensor network localization problem, based on a maximum likelihood (ML) formulation. This class, as well as the tightness of the relaxations, depends on the noise probability density…

信息论 · 计算机科学 2017-09-18 Andrea Simonetto , Geert Leus

As the world becomes more and more interconnected, our everyday objects become part of the Internet of Things, and our lives get more and more mirrored in virtual reality, where every piece of~information, including misinformation, fake…

社会与信息网络 · 计算机科学 2020-12-04 Robert Paluch , Łukasz G. Gajewski , Janusz A. Hołyst , Boleslaw K. Szymanski

The localization of multiple signal sources using sensor arrays has been a long-standing research challenge. While numerous solutions have been developed, signal space methods like MUSIC and ESPRIT have gained widespread popularity. As…

信号处理 · 电气工程与系统科学 2025-01-22 Mehdi Haghshenas , Aamir Mahmood , Mikael Gidlund

Accurate source localization in Multi-Platform Radar Networks (MPRNs) benefits from exploiting both range and angle measurements under robust estimation. In this paper, we propose a robust Euclidean distance matrix (EDM) optimization model…

信号处理 · 电气工程与系统科学 2026-04-20 Mingyu Zhao , Qingna Li , Hou-Duo Qi

Due to the significance of its various applications, source localization has garnered considerable attention as one of the most important means to confront diffusion hazards. Multi-source localization from a single-snapshot observation is…

机器学习 · 计算机科学 2024-03-26 Zonghan Zhang , Zijian Zhang , Zhiqian Chen

The network localization problem with convex and non-convex distance constraints may be modeled as a nonlinear optimization problem. The existing localization techniques are mainly based on convex optimization. In those techniques, the…

最优化与控制 · 数学 2017-11-21 Ananya Saha , Buddhadeb Sau