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On the off-the-shelf navigational assistance devices, the localization precision is limited to the signal error of global navigation satellite system (GNSS). During travelling outdoors, the inaccurately localization perplexes visually…

计算机视觉与模式识别 · 计算机科学 2019-05-15 Ruiqi Cheng , Kaiwei Wang , Longqing Lin , Kailun Yang

This article proposes a visual inertial navigation algorithm intended to diminish the horizontal position drift experienced by autonomous fixed wing UAVs (Unmanned Air Vehicles) in the absence of GNSS (Global Navigation Satellite System)…

机器人学 · 计算机科学 2023-08-17 Eduardo Gallo , Antonio Barrientos

The increasing demand for underwater vehicles highlights the necessity for robust localization solutions in inspection missions. In this work, we present a novel real-time sonar-based underwater global positioning algorithm for AUVs…

机器人学 · 计算机科学 2024-05-06 Emilio Olivastri , Daniel Fusaro , Wanmeng Li , Simone Mosco , Alberto Pretto

Unmanned aerial vehicles (UAVs) visual localization in planetary aims to estimate the absolute pose of the UAV in the world coordinate system through satellite maps and images captured by on-board cameras. However, since planetary scenes…

机器人学 · 计算机科学 2024-05-14 Xubo Luo , Xue Wan , Yixing Gao , Yaolin Tian , Wei Zhang , Leizheng Shu

Accurate vehicle localization is a crucial step towards building effective Vehicle-to-Vehicle networks and automotive applications. Yet standard grade GPS data, such as that provided by mobile phones, is often noisy and exhibits significant…

计算机视觉与模式识别 · 计算机科学 2019-05-10 Eli Brosh , Matan Friedmann , Ilan Kadar , Lev Yitzhak Lavy , Elad Levi , Shmuel Rippa , Yair Lempert , Bruno Fernandez-Ruiz , Roei Herzig , Trevor Darrell

We tackle the problem of localizing an autonomous sea-surface vehicle in river estuarine areas using monocular camera and angular velocity input from an inertial sensor. Our method is challenged by two prominent drawbacks associated with…

计算机视觉与模式识别 · 计算机科学 2017-07-20 George Terzakis , Riccardo Polvara , Sanjay Sharma , Phil Culverhouse , Robert Sutton

The demand for autonomous vehicles is increasing gradually owing to their enormous potential benefits. However, several challenges, such as vehicle localization, are involved in the development of autonomous vehicles. A simple and secure…

网络与互联网体系结构 · 计算机科学 2018-10-08 Md. Tanvir Hossan , Mostafa Zaman Chowdhury , Moh. Khalid Hasan , Md. Shahjalal , Trang Nguyen , Nam Tuan Le , Yeong Min Jang

In complex environments, low-cost and robust localization is a challenging problem. For example, in a GPSdenied environment, LiDAR can provide accurate position information, but the cost is high. In general, visual SLAM based localization…

计算机视觉与模式识别 · 计算机科学 2019-12-12 Dong Han , Zuhao Zou , Lujia Wang , Cheng-Zhong Xu

High-precision vehicle positioning is key to the implementation of modern driving systems in urban environments. Global Navigation Satellite System (GNSS) carrier phase measurements can provide millimeter- to centimeter-level positioning,…

机器人学 · 计算机科学 2022-07-22 Junjie Zhang , Amir Khodabandeh , Kourosh Khoshelham

Regression-based LiDAR relocalization has recently emerged as a promising solution for high-precision positioning in GNSS-denied environments. However, these methods are primarily tailored to autonomous driving, exhibiting significantly…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Hengyu Mu , Jianshi Wu , Yuxin Guo , XianLian Lin , Qingyong Hu , Sheng Ao , Chenglu Wen , Cheng Wang

The possible applications and benefits of autonomous Unmanned Aerial Vehicle (UAV) use in urban areas are gaining considerable attention. Before these possibilities can be realized, it is essential that UAVs be able to navigate reliably and…

机器人学 · 计算机科学 2021-10-05 Amanda J. Strate , Randall Christensen

Globally-consistent localization in urban environments is crucial for autonomous systems such as self-driving vehicles and drones, as well as assistive technologies for visually impaired people. Traditional Visual-Inertial Odometry (VIO)…

机器人学 · 计算机科学 2024-12-13 Roxane Merat , Giovanni Cioffi , Leonard Bauersfeld , Davide Scaramuzza

Recognizing places using Lidar in large-scale environments is challenging due to the sparse nature of point cloud data. In this paper we present BVMatch, a Lidar-based frame-to-frame place recognition framework, that is capable of…

计算机视觉与模式识别 · 计算机科学 2025-06-26 Lun Luo , Si-Yuan Cao , Bin Han , Hui-Liang Shen , Junwei Li

In this letter, we introduce GroundLoc, a LiDAR-only localization pipeline designed to localize a mobile robot in large-scale outdoor environments using prior maps. GroundLoc employs a Bird's-Eye View (BEV) image projection focusing on the…

机器人学 · 计算机科学 2025-10-29 Nicolai Steinke , Daniel Goehring

Vision-based localization for autonomous driving has been of great interest among researchers. When a pre-built 3D map is not available, the techniques of visual simultaneous localization and mapping (SLAM) are typically adopted. Due to…

机器人学 · 计算机科学 2024-04-16 Yanhao Zhang , Yujiao Shi , Shan Wang , Ankit Vora , Akhil Perincherry , Yongbo Chen , Hongdong Li

When a vehicle observes another one, the two vehicles' poses are correlated by this spatial relative observation, which can be used in cooperative localization for further increasing localization accuracy and precision. To use spatial…

机器人学 · 计算机科学 2017-04-06 Xiaotong Shen , Hans Andersen , Wei Kang Leong , Hai Xun Kong , Marcelo H. Ang , Daniela Rus

Path planning is crucial for the navigation of autonomous vehicles, yet these vehicles face challenges in complex and real-world environments. Although a global view may be provided, it is often outdated, necessitating the reliance of…

机器人学 · 计算机科学 2025-05-21 Seung Hun Lee , Wonse Jo , Lionel P. Robert , Dawn M. Tilbury

We propose an image representation and matching approach that substantially improves visual-based location estimation for images. The main novelty of the approach, called distinctive visual element matching (DVEM), is its use of…

多媒体 · 计算机科学 2016-01-29 Xinchao Li , Martha A. Larson , Alan Hanjalic

Cross-view geo-localization confronts significant challenges due to large perspective changes, especially when the ground-view query image has a limited field of view with unknown orientation. To bridge the cross-view domain gap, we for the…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Lei Cheng , Teng Wang , Lingquan Meng , Changyin Sun

The development of cooperative vehicle safety (CVS) applications, such as collision warnings, turning assistants, and speed advisories, etc., has received great attention in the past few years. Accurate vehicular localization is essential…

分布式、并行与集群计算 · 计算机科学 2016-11-15 Kai Liu , Hock Beng Lim