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Autonomous robot networks are an effective tool for monitoring large-scale environmental fields. This paper proposes distributed control strategies for localizing the source of a noisy signal, which could represent a physical quantity of…

多智能体系统 · 计算机科学 2014-04-14 Nikolay A. Atanasov , Jerome Le Ny , George J. Pappas

Recent work has shown impressive localization performance using only images of ground textures taken with a downward facing monocular camera. This provides a reliable navigation method that is robust to feature sparse environments and…

机器人学 · 计算机科学 2023-03-13 Kyle M. Hart , Brendan Englot , Ryan P. O'Shea , John D. Kelly , David Martinez

Received Signal Strength (RSS) is considered as a promising measurement for indoor positioning. Lots of RSS-based localization methods have been proposed by its convenience and low cost. This paper focuses on two challenging issues in…

网络与互联网体系结构 · 计算机科学 2017-12-14 Wei Li , Zimu Yuan , Wei Zhao

This article is a survey on deep learning methods for single and multiple sound source localization. We are particularly interested in sound source localization in indoor/domestic environment, where reverberation and diffuse noise are…

声音 · 计算机科学 2022-07-20 Pierre-Amaury Grumiaux , Srđan Kitić , Laurent Girin , Alexandre Guérin

In this work, a system scheme is proposed for tracking a radio emitting target moving in two-dimensional space. The localization is based on the use of biased time-of-arrival (TOA) measurements obtained at two asynchronous receivers, each…

系统与控制 · 计算机科学 2014-05-14 Siamak Yousefi , Xiao-Wen Chang , Benoit Champagne

Many speaker localization methods can be found in the literature. However, speaker localization under strong reverberation still remains a major challenge in the real-world applications. This paper proposes two algorithms for localizing…

音频与语音处理 · 电气工程与系统科学 2026-04-03 Shoufeng Lin

Mapping and localization are two essential tasks for mobile robots in real-world applications. However, largescale and dynamic scenes challenge the accuracy and robustness of most current mature solutions. This situation becomes even worse…

机器人学 · 计算机科学 2022-01-19 Fan Wang , Chaofan Zhang , Fulin Tang , Hongkui Jiang , Yihong Wu , Yong Liu

In this paper, we propose an algorithm that estimates contact point and force simultaneously. We consider a collaborative robot equipped with proprioceptive sensors, in particular, joint torque sensors (JTSs) and a base force/torque (F/T)…

机器人学 · 计算机科学 2023-07-11 Seo Wook Han , Min Jun Kim

We discuss the localization of radiation sources whose number and other relevant parameters are not known in advance. The data collection is ensured by an autonomous mobile robot that performs a survey in a defined region of interest…

机器人学 · 计算机科学 2023-09-28 Tomas Lazna , Ludek Zalud

In this paper we present a new robust sound source localization and tracking method using an array of eight microphones (US patent pending) . The method uses a steered beamformer based on the reliability-weighted phase transform (RWPHAT)…

机器人学 · 计算机科学 2016-04-07 Jean-Marc Valin , François Michaud , Jean Rouat

Anomaly detection and localization in medical imaging remain critical challenges in healthcare. This paper introduces Spatial-MSMA (Multiscale Score Matching Analysis), a novel unsupervised method for anomaly localization in volumetric…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Ahsan Mahmood , Junier Oliva , Martin Styner

This paper introduces a state-machine model for a multi-modal, multi-robot environmental sensing algorithm tailored to dynamic real-world settings. The algorithm uniquely combines two exploration strategies for gas source localization and…

机器人学 · 计算机科学 2024-07-02 Vu Phi Tran , Asanka G. Perera , Matthew A. Garratt , Kathryn Kasmarik , Sreenatha G. Anavatti

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

Accurate localization and perception are pivotal for enhancing the safety and reliability of vehicles. However, current localization methods suffer from reduced accuracy when the line-of-sight (LOS) path is obstructed, or a combination of…

信号处理 · 电气工程与系统科学 2024-08-16 Yinuo Du , Hanying Zhao , Yang Liu , Xinlei Yu , Yuan Shen

We propose a novel distributed expectation maximization (EM) method for non-cooperative RF device localization using a wireless sensor network. We consider the scenario where few or no sensors receive line-of-sight signals from the target.…

信息论 · 计算机科学 2014-08-15 Wenjie Xu , Francois Quitin , Mei Leng , Wee Peng Tay , Sirajudeen G. Razul

Multi-source localization based on received signal strength (RSS) has drawn great interest in wireless sensor networks. However, the shadow fading term caused by obstacles cannot be separated from the received signal, which leads to severe…

信号处理 · 电气工程与系统科学 2021-10-22 Yueyan Chu , Wenbin Guo , Kangyong You , Lei Zhao , Tao Peng , Wenbo Wang

Rather than having each newly deployed robot create its own map of its surroundings, the growing availability of SLAM-enabled devices provides the option of simply localizing in a map of another robot or device. In cases such as multi-robot…

机器人学 · 计算机科学 2024-08-07 Matthew Hanlon , Boyang Sun , Marc Pollefeys , Hermann Blum

3D-localization of gamma sources has the potential to improve the outcome of radio-guided surgery. The goal of this paper is to analyze the localization accuracy for point-like sources with a single coded aperture camera. We both simulated…

医学物理 · 物理学 2024-06-24 Tobias Meißner , Laura Antonia Cerbone , Paolo Russo , Werner Nahm , Jürgen Hesser

In this thesis, we propose an artificial auditory system that gives a robot the ability to locate and track sounds, as well as to separate simultaneous sound sources and recognising simultaneous speech. We demonstrate that it is possible to…

机器人学 · 计算机科学 2016-02-23 Jean-Marc Valin

A key limitation of current multi-robot systems is a lack of relative localization, particularly in environments without GPS or motion capture systems. This article presents a centralized method for relatively localizing a 2D swarm using…

机器人学 · 计算机科学 2018-11-29 Ian Miller , Jon Wallace