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

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Loop closure detection is important for simultaneous localization and mapping (SLAM), which associates current observations with historical keyframes, achieving drift correction and global relocalization. However, a falsely detected loop…

Robotics · Computer Science 2025-08-20 Jingwen Yu , Jiayi Yang , Anjun Hu , Jiankun Wang , Ping Tan , Hong Zhang

Neural implicit representations have emerged as a promising solution for providing dense geometry in Simultaneous Localization and Mapping (SLAM). However, existing methods in this direction fall short in terms of global consistency and low…

Robotics · Computer Science 2024-08-22 Yunxuan Mao , Xuan Yu , Kai Wang , Yue Wang , Rong Xiong , Yiyi Liao

The capability of multi-robot SLAM approaches to merge localization history and maps from different observers is often challenged by the difficulty in establishing data association. Loop closure detection between perceptual inputs of…

In visual Simultaneous Localization And Mapping (SLAM), detecting loop closures has been an important but difficult task. Currently, most solutions are based on the bag-of-words approach. Yet the possibility of deep neural network…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Zhang Qianhao , Alexander Mai , Joseph Menke , Allen Yang

We present a simple yet effective method to address loop closure detection in simultaneous localisation and mapping using local 3D deep descriptors (L3Ds). L3Ds are emerging compact representations of patches extracted from point clouds…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Youjie Zhou , Yiming Wang , Fabio Poiesi , Qi Qin , Yi Wan

Robustness in Simultaneous Localization and Mapping (SLAM) remains one of the key challenges for the real-world deployment of autonomous systems. SLAM research has seen significant progress in the last two and a half decades, yet many…

In this paper, we propose an optimization based SLAM approach to simultaneously optimize the robot trajectory and the occupancy map using 2D laser scans (and odometry) information. The key novelty is that the robot poses and the occupancy…

Robotics · Computer Science 2024-05-20 Liang Zhao , Yingyu Wang , Shoudong Huang

Joint optimization of poses and features has been extensively studied and demonstrated to yield more accurate results in feature-based SLAM problems. However, research on jointly optimizing poses and non-feature-based maps remains limited.…

Robotics · Computer Science 2025-07-14 Yingyu Wang , Liang Zhao , Shoudong Huang

(Visual) Simultaneous Localization and Mapping (SLAM) remains a fundamental challenge in enabling autonomous systems to navigate and understand large-scale environments. Traditional SLAM approaches struggle to balance efficiency and…

Robotics · Computer Science 2025-10-31 Tian Yi Lim , Boyang Sun , Marc Pollefeys , Hermann Blum

Recognizing a previously visited place, also known as place recognition (or loop closure detection) is the key towards fully autonomous mobile robots and self-driving vehicle navigation. Augmented with various Simultaneous Localization and…

Robotics · Computer Science 2017-04-19 Ashwin Mathur , Fei Han , Hao Zhang

Graph-SLAM is a well-established algorithm for constructing a topological map of the environment while simultaneously attempting the localisation of the robot. It relies on scan matching algorithms to align noisy observations along robot's…

Robotics · Computer Science 2022-01-20 Giorgio Iavicoli , Claudio Zito

Visual loop closure detection is an important module in visual simultaneous localization and mapping (SLAM), which associates current camera observation with previously visited places. Loop closures correct drifts in trajectory estimation…

Robotics · Computer Science 2024-07-18 Jingwen Yu , Hanjing Ye , Jianhao Jiao , Ping Tan , Hong Zhang

Simultaneous Localization and Mapping, commonly known as SLAM, has been an active research area in the field of Robotics over the past three decades. For solving the SLAM problem, every robot is equipped with either a single sensor or a…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Mubariz Zaffar , Shoaib Ehsan , Rustam Stolkin , Klaus McDonald Maier

Simultaneous Localization and Mapping (SLAM) have made the real-time dense reconstruction possible increasing the prospects of navigation, tracking, and augmented reality problems. Some breakthroughs have been achieved in this regard during…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Redhwan Jamiruddin , Ali Osman Sari , Jahanzaib Shabbir , Tarique Anwer

Inter-robot loop closure detection is a core problem in collaborative SLAM (CSLAM). Establishing inter-robot loop closures is a resource-demanding process, during which robots must consume a substantial amount of mission-critical resources…

Robotics · Computer Science 2018-06-04 Yulun Tian , Kasra Khosoussi , Matthew Giamou , Jonathan P. How , Jonathan Kelly

This paper presents a fully hardware synchronized mapping robot with support for a hardware synchronized external tracking system, for super-precise timing and localization. We also employ a professional, static 3D scanner for ground truth…

Despite the remarkable advancements in deep learning-based perception technologies and simultaneous localization and mapping (SLAM), one can face the failure of these approaches when robots encounter scenarios outside their modeled…

Robotics · Computer Science 2024-05-29 Hyungtae Lim

We present an approach for agents to learn representations of a global map from sensor data, to aid their exploration in new environments. To achieve this, we embed procedures mimicking that of traditional Simultaneous Localization and…

Machine Learning · Computer Science 2021-01-01 Jingwei Zhang , Lei Tai , Ming Liu , Joschka Boedecker , Wolfram Burgard

We study algorithms for detecting and including glass objects in an optimization-based Simultaneous Localization and Mapping (SLAM) algorithm in this work. When LiDAR data is the primary exteroceptive sensory input, glass objects are not…

Robotics · Computer Science 2022-12-19 Lasitha Weerakoon , Gurtajbir Singh Herr , Jasmine Blunt , Miao Yu , Nikhil Chopra

Simultaneous Localization and Mapping (SLAM) systems are fundamental building blocks for any autonomous robot navigating in unknown environments. The SLAM implementation heavily depends on the sensor modality employed on the mobile…

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