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We present a cost-efficient and versatile method to map an unknown 3D freeform surface using only sparse measurements while the end-effector of a robotic manipulator moves along the surface. The geometry is locally approximated by a plane,…

Robotics · Computer Science 2021-10-08 Manuel Amersdorfer , Thomas Meurer

Accurate localization is a fundamental requirement for autonomous robots operating in indoor environments. Scene graphs encode the spatial structure of an environment as a hierarchy of semantic entities and their relationships, and can be…

The traditional Simultaneous Localization And Mapping (SLAM) systems rely on the assumption of a static environment and fail to accurately estimate the system's location when dynamic objects are present in the background. While…

Robotics · Computer Science 2023-02-24 Yaoming Zhuang , Pengrun Jia , Zheng Liu , Li Li , Chengdong Wu , Wei cui , Zhanlin Liu

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

Mapping and self-localization in unknown environments are fundamental capabilities in many robotic applications. These tasks typically involve the identification of objects as unique features or landmarks, which requires the objects both to…

Computer Vision and Pattern Recognition · Computer Science 2017-04-21 Beipeng Mu , Shih-Yuan Liu , Liam Paull , John Leonard , Jonathan How

Simultaneous Localization and Mapping (SLAM) technology enables the construction of environmental maps and localization, serving as a key technique for indoor autonomous navigation of mobile robots. Traditional SLAM methods typically…

Robotics · Computer Science 2024-07-17 Jiantao Feng , Xinde Li , HyunCheol Park , Juan Liu , Zhentong 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

This paper proposes a 3D LiDAR SLAM algorithm named Ground-SLAM, which exploits grounds in structured multi-floor environments to compress the pose drift mainly caused by LiDAR measurement bias. Ground-SLAM is developed based on the…

Robotics · Computer Science 2021-03-08 Xin Wei , Jixin Lv , Jie Sun , Shiliang Pu

Recent advances in Dense Simultaneous Localization and Mapping (SLAM) have demonstrated remarkable performance in static environments. However, dense SLAM in dynamic environments remains challenging. Most methods directly remove dynamic…

Robotics · Computer Science 2025-12-11 Siting Zhu , Yuxiang Huang , Wenhua Wu , Chaokang Jiang , Yongbo Chen , I-Ming Chen , Hesheng Wang

Accurate and robust simultaneous localization and mapping (SLAM) is crucial for autonomous mobile systems, typically achieved by leveraging the geometric features of the environment. Incorporating semantics provides a richer scene…

Robotics · Computer Science 2025-07-22 Neng Wang , Huimin Lu , Zhiqiang Zheng , Hesheng Wang , Yun-Hui Liu , Xieyuanli Chen

Simultaneous localization and mapping (SLAM) is paramount for unmanned systems to achieve self-localization and navigation. It is challenging to perform SLAM in large environments, due to sensor limitations, complexity of the environment,…

This paper suggests a 2D exploration strategy for a planar space cluttered with obstacles. Rather than using point robots capable of adjusting their position and altitude instantly, this research is tailored to classical agents with…

Robotics · Computer Science 2025-08-21 Omar Mostafa , Nikolaos Evangeliou , Anthony Tzes

SLAM technology plays a crucial role in indoor mapping and localization. A common challenge in indoor environments is the "double-sided mapping issue", where closely positioned walls, doors, and other surfaces are mistakenly identified as a…

Robotics · Computer Science 2025-04-14 Chengwei Zhao , Yixuan Li , Yina Jian , Jie Xu , Linji Wang , Yongxin Ma , Xinglai Jin

This paper details a system for fast visual exploration and search without prior map information. We leverage frontier based planning with both LiDAR and visual sensing and augment it with a perception module that contextually labels points…

Robotics · Computer Science 2024-08-07 Ryan Gupta , Kyle Morgenstein , Steven Ortega , Luis Sentis

As an essential component of visual simultaneous localization and mapping (SLAM), place recognition is crucial for robot navigation and autonomous driving. Existing methods often formulate visual place recognition as feature matching, which…

Computer Vision and Pattern Recognition · Computer Science 2021-02-25 Han Wang , Chen Wang , Lihua Xie

We present a collaborative visual simultaneous localization and mapping (SLAM) framework for service robots. With an edge server maintaining a map database and performing global optimization, each robot can register to an existing map,…

Robotics · Computer Science 2021-08-24 Ming Ouyang , Xuesong Shi , Yujie Wang , Yuxin Tian , Yingzhe Shen , Dawei Wang , Peng Wang , Zhiqiang Cao

We describe a novel approach to image based localisation in urban environments using semantic matching between images and a 2-D map. It contrasts with the vast majority of existing approaches which use image to image database matching. We…

Computer Vision and Pattern Recognition · Computer Science 2018-03-05 Pilailuck Panphattarasap , Andrew Calway

In the realm of robotics, the quest for achieving real-world autonomy, capable of executing large-scale and long-term operations, has positioned place recognition (PR) as a cornerstone technology. Despite the PR community's remarkable…

Robotics · Computer Science 2025-03-11 Peng Yin , Jianhao Jiao , Shiqi Zhao , Lingyun Xu , Guoquan Huang , Howie Choset , Sebastian Scherer , Jianda Han

We present LASER, an image-based Monte Carlo Localization (MCL) framework for 2D floor maps. LASER introduces the concept of latent space rendering, where 2D pose hypotheses on the floor map are directly rendered into a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Zhixiang Min , Naji Khosravan , Zachary Bessinger , Manjunath Narayana , Sing Bing Kang , Enrique Dunn , Ivaylo Boyadzhiev

A fundamental prerequisite for safe and efficient navigation of mobile robots is the availability of reliable navigation maps upon which trajectories can be planned. With the increasing industrial interest in mobile robotics, especially in…

Robotics · Computer Science 2024-03-21 Luca Mozzarelli , Simone Specchia , Matteo Corno , Sergio Matteo Savaresi