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Related papers: Online Global Loop Closure Detection for Large-Sca…

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Loop closure detection plays an important role in reducing localization drift in Simultaneous Localization And Mapping (SLAM). It aims to find repetitive scenes from historical data to reset localization. To tackle the loop closure problem,…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Han Wang , Juncheng Li , Maopeng Ran , Lihua Xie

Lifelong SLAM considers long-term operation of a robot where already mapped locations are revisited many times in changing environments. As a result, traditional graph-based SLAM approaches eventually become extremely slow due to the…

Robotics · Computer Science 2021-10-05 Gerhard Kurz , Matthias Holoch , Peter Biber

Neural RGBD SLAM techniques have shown promise in dense Simultaneous Localization And Mapping (SLAM), yet face challenges such as error accumulation during camera tracking resulting in distorted maps. In response, we introduce Loopy-SLAM…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Lorenzo Liso , Erik Sandström , Vladimir Yugay , Luc Van Gool , Martin R. Oswald

Loop detection plays a key role in visual Simultaneous Localization and Mapping (SLAM) by correcting the accumulated pose drift. In indoor scenarios, the richly distributed semantic landmarks are view-point invariant and hold strong…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Chuhao Liu , Shaojie Shen

Map-centric SLAM is emerging as an alternative of conventional graph-based SLAM for its accuracy and efficiency in long-term mapping problems. However, in map-centric SLAM, the process of loop closure differs from that of conventional SLAM…

Robotics · Computer Science 2019-01-31 Chanoh Park , Soohwan Kim , Peyman Moghadam , Jiadong Guo , Sridha Sridharan , Clinton Fookes

Simultaneous localization and mapping (SLAM) plays a vital role in mapping unknown spaces and aiding autonomous navigation. Virtually all state-of-the-art solutions today for 2D SLAM are designed for dense and accurate sensors such as laser…

Robotics · Computer Science 2023-12-06 Hanzhi Zhou , Zichao Hu , Sihang Liu , Samira Khan

In this paper, we propose a solution for graph-based global robot simultaneous localization and mapping (SLAM) using architectural plans. Before the start of the robot operation, the previously available architectural plan of the building…

In this paper, we present a factor-graph LiDAR-SLAM system which incorporates a state-of-the-art deeply learned feature-based loop closure detector to enable a legged robot to localize and map in industrial environments. These facilities…

Robotics · Computer Science 2020-01-29 Milad Ramezani , Georgi Tinchev , Egor Iuganov , Maurice Fallon

3D Gaussian Splatting (3DGS) has gained significant attention for its application in dense Simultaneous Localization and Mapping (SLAM), enabling real-time rendering and high-fidelity mapping. However, existing 3DGS-based SLAM methods often…

Robotics · Computer Science 2024-09-18 Ziheng Xu , Qingfeng Li , Chen Chen , Xuefeng Liu , Jianwei Niu

In this paper we propose a novel algorithm, Wi-Closure, to improve computational efficiency and robustness of loop closure detection in multi-robot SLAM. Our approach decreases the computational overhead of classical approaches by pruning…

Robotics · Computer Science 2022-11-24 Weiying Wang , Anne Kemmeren , Daniel Son , Javier Alonso-Mora , Stephanie Gil

Due to budgetary constraints, indoor navigation typically employs 2D LiDAR rather than 3D LiDAR. However, the utilization of 2D LiDAR in Simultaneous Localization And Mapping (SLAM) frequently encounters challenges related to motion…

Robotics · Computer Science 2024-04-24 Bin Zhang , Zexin Peng , Bi Zeng , Junjie Lu

The autonomous mapping of large-scale urban scenes presents significant challenges for autonomous robots. To mitigate the challenges, global planning, such as utilizing prior GPS trajectories from OpenStreetMap (OSM), is often used to guide…

Robotics · Computer Science 2024-07-25 Wei Gao , Zezhou Sun , Mingle Zhao , Cheng-Zhong Xu , Hui Kong

Using the spatial structure of various indoor environments as prior knowledge, the robot would construct the map more efficiently. Autonomous mobile robots generally apply simultaneous localization and mapping (SLAM) methods to understand…

Mobile robots require basic information to navigate through an environment: they need to know where they are (localization) and they need to know where they are going. For the latter, robots need a map of the environment. Using sensors of a…

Applications · Statistics 2007-09-14 Anita Araneda , Stephen E. Fienberg , Alvaro Soto

In search and rescue missions, time is an important factor; fast navigation and quickly acquiring situation awareness might be matters of life and death. Hence, the use of robots in such scenarios has been restricted by the time needed to…

Robotics · Computer Science 2020-07-10 Malcolm Mielle , Martin Magnusson , Henrik Andreasson , Achim J. Lilienthal

Numerous Simultaneous Localization and Mapping (SLAM) algorithms have been presented in last decade using different sensor modalities. However, robust SLAM in extreme weather conditions is still an open research problem. In this paper,…

Robotics · Computer Science 2020-05-06 Ziyang Hong , Yvan Petillot , Sen Wang

The real-world deployment of fully autonomous mobile robots depends on a robust SLAM (Simultaneous Localization and Mapping) system, capable of handling dynamic environments, where objects are moving in front of the robot, and changing…

Loop-closure detection, also known as place recognition, aiming to identify previously visited locations, is an essential component of a SLAM system. Existing research on lidar-based loop closure heavily relies on dense point cloud and 360…

Robotics · Computer Science 2024-03-21 Lizhou Liao , Wenlei Yan , Li Sun , Xinhui Bai , Zhenxing You , Hongyuan Yuan , Chunyun Fu

Vision-based simultaneous localization and mapping (vSLAM) is a well-established problem in mobile robotics and monocular vSLAM is one of the most challenging variations of that problem nowadays. In this work we study one of the core…

Computer Vision and Pattern Recognition · Computer Science 2018-06-26 Andrey Bokovoy , Konstantin Yakovlev

Simultaneous Localization and Mapping (SLAM) is one of the most essential techniques in many real-world robotic applications. The assumption of static environments is common in most SLAM algorithms, which however, is not the case for most…

Robotics · Computer Science 2022-05-17 Han Wang , Jing Ying Ko , Lihua Xie