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We present an analytical approach to study simple symmetric random walks (RWs) on a crossing geometry consisting of a plane square lattice crossed by $n_l$ number of lines that all meet each other at a single point (the origin) on the…

统计力学 · 物理学 2019-09-02 Reza Sepehrinia , Abbas Ali Saberi , Hor Dashti-Naserabadi

We consider the problem of searching for an intruder in a geometric domain by utilizing multiple search robots. The domain is a simply connected orthogonal polygon with edges parallel to the cartesian coordinate axes. Each robot has a…

机器人学 · 计算机科学 2025-11-06 Swadhin Agrawal , Sujoy Bhore , Joseph S. B. Mitchell , P. B. Sujit , Aayush Gohil

We consider a system consisting of multiple mobile robots in which the user can at any time issue relocation tasks ordering one of the robots to move from its current location to a given destination location. In this paper, we deal with the…

机器人学 · 计算机科学 2015-02-02 Michal Čáp , Jiří Vokřínek , Alexander Kleiner

In a multi-robot system, a number of autonomous robots would sense, communicate, and decide to move within a given domain to achieve a common goal. In this paper, we consider a new variant of the pursuit-evasion problem in which the robots…

计算几何 · 计算机科学 2016-08-16 Mohammad Ghodsi , Salma Sadat Mahdavi , Ali Narenji Sheshkalani

We consider linear search for an escaping target whose speed and initial position are unknown to the searcher. A searcher (an autonomous mobile agent) is initially placed at the origin of the real line and can move with maximum speed $1$ in…

离散数学 · 计算机科学 2024-04-24 Jared Coleman , Dmitry Ivanov , Evangelos Kranakis , Danny Krizanc , Oscar Morales-Ponce

Navigation of a mobile robot is conditioned on the knowledge of its pose. In observer-based localisation configurations its initial pose may not be knowable in advance, leading to the need of its estimation. Solutions to the problem of…

机器人学 · 计算机科学 2024-07-08 Alexandros Filotheou

Location estimation is a fundamental sensing task in robotic applications, where the world is uncertain, and sensors and effectors are noisy. Most systems make various assumptions about the dependencies between state variables, and…

人工智能 · 计算机科学 2014-03-03 Vaishak Belle , Hector Levesque

Robust cross-seasonal localization is one of the major challenges in long-term visual navigation of autonomous vehicles. In this paper, we exploit recent advances in semantic segmentation of images, i.e., where each pixel is assigned a…

计算机视觉与模式识别 · 计算机科学 2018-03-05 Erik Stenborg , Carl Toft , Lars Hammarstrand

Localization is a fundamental enabler technology for many applications, like vehicular networks, IoT, and even medicine. While Global Navigation Satellite Systems solutions offer great performance, they are unavailable in scenarios like…

最优化与控制 · 数学 2024-04-03 Filipa Valdeira , Cláudia Soares , João Gomes

It is common in machine learning and statistics to use symmetries derived from expert knowledge to simplify problems or improve performance, using methods like data augmentation or penalties. In this paper we consider the unsupervised and…

机器学习 · 计算机科学 2022-04-05 Colin Hagemeyer

This study proposes a mathematical model to optimally locate a set of detectors in such a way that the expected number of casualties in a given threat area can be minimized. Detectors may not be perfectly reliable, which is often a function…

系统与控制 · 电气工程与系统科学 2021-01-26 Mohammad Marufuzzaman , Amin Aghalari , Randy Buchanan , Christina H. Rinaudo , Kayla M. Houte , Julekha H. Ranta

This paper presents Vision-Language Global Localization (VLG-Loc), a novel global localization method that uses human-readable labeled footprint maps containing only names and areas of distinctive visual landmarks in an environment. While…

机器人学 · 计算机科学 2025-12-19 Mizuho Aoki , Kohei Honda , Yasuhiro Yoshimura , Takeshi Ishita , Ryo Yonetani

A fully-asynchronous network with one target sensor and a few anchors (nodes with known locations) is considered. Localization and synchronization are traditionally treated as two separate problems. In this paper, localization and…

信息论 · 计算机科学 2013-01-07 Sundeep Prabhakar Chepuri , Geert Leus , Alle-Jan van der Veen

Learning-based approaches have recently shown notable success in legged locomotion. However, these approaches often lack accountability, necessitating empirical tests to determine their effectiveness. In this work, we are interested in…

机器人学 · 计算机科学 2024-09-26 Xingpeng Xia , Jason J. Choi , Ayush Agrawal , Koushil Sreenath , Claire J. Tomlin , Somil Bansal

In this paper we have discussed a unique general algorithm for exploring and solving any kind of line maze with another simple one for simple mazes without loops or loops having highest two branches none of which are inward. For the general…

机器人学 · 计算机科学 2015-01-06 Shadman Sakib , Anik Chowdhury , Shekh Tanvir Ahamed , Syed Imam Hasan

Robust and accurate localization is a basic requirement for mobile autonomous systems. Pole-like objects, such as traffic signs, poles, and lamps are frequently used landmarks for localization in urban environments due to their local…

机器人学 · 计算机科学 2022-08-16 Hao Dong , Xieyuanli Chen , Simo Särkkä , Cyrill Stachniss

We address the problem of discovering part segmentations of articulated objects without supervision. In contrast to keypoints, part segmentations provide information about part localizations on the level of individual pixels. Capturing both…

计算机视觉与模式识别 · 计算机科学 2020-09-11 Sandro Braun , Patrick Esser , Björn Ommer

Successful deployment of mobile robots in unstructured domains requires an understanding of the environment and terrain to avoid hazardous areas, getting stuck, and colliding with obstacles. Traversability estimation--which predicts where…

In this paper, we deal with the problem of full-body path planning for walking robots. The state of walking robots is defined in multi-dimensional space. Path planning requires defining the path of the feet and the robot's body. Moreover,…

机器人学 · 计算机科学 2023-03-07 Dominik Belter

Accurate and reliable localization is a fundamental requirement for autonomous vehicles to use map information in higher-level tasks such as navigation or planning. In this paper, we present a novel approach to vehicle localization in dense…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Markus Herb , Matthias Lemberger , Marcel M. Schmitt , Alexander Kurz , Tobias Weiherer , Nassir Navab , Federico Tombari