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Odometry is crucial for robot navigation, particularly in situations where global positioning methods like global positioning system (GPS) are unavailable. The main goal of odometry is to predict the robot's motion and accurately determine…

Robotics · Computer Science 2024-01-01 Dongjae Lee , Minwoo Jung , Wooseong Yang , Ayoung Kim

Localization can be achieved by different sensors and techniques such as a global positioning system (GPS), wifi, ultrasonic sensors, and cameras. In this paper, we focus on the laser-based localization method for unmanned aerial vehicle…

The motion distortion in LiDAR scans caused by aggressive robot motion and varying terrain features significantly impacts the positioning and mapping performance of 3D LiDAR odometry. Existing distortion correction solutions often struggle…

Robotics · Computer Science 2024-10-22 Bo Zhou , Jiajie Wu , Yan Pan , Chuanzhao Lu

LiDARs provide accurate geometric measurements, making them valuable for ego-motion estimation and reconstruction tasks. Although its success, managing an accurate and lightweight representation of the environment still poses challenges.…

This paper presents the first photo-realistic LiDAR-Inertial-Camera Gaussian Splatting SLAM system that simultaneously addresses visual quality, geometric accuracy, and real-time performance. The proposed method performs robust and accurate…

Robotics · Computer Science 2025-07-10 Xiaolei Lang , Jiajun Lv , Kai Tang , Laijian Li , Jianxin Huang , Lina Liu , Yong Liu , Xingxing Zuo

We present a fast, scalable, and accurate Simultaneous Localization and Mapping (SLAM) system that represents indoor scenes as a graph of objects. Leveraging the observation that artificial environments are structured and occupied by…

Robotics · Computer Science 2020-11-06 Akash Sharma , Wei Dong , Michael Kaess

We present SLAIM - Simultaneous Localization and Implicit Mapping. We propose a novel coarse-to-fine tracking model tailored for Neural Radiance Field SLAM (NeRF-SLAM) to achieve state-of-the-art tracking performance. Notably, existing…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Vincent Cartillier , Grant Schindler , Irfan Essa

Visual simultaneous localization and mapping (SLAM) plays a critical role in autonomous robotic systems, especially where accurate and reliable measurements are essential for navigation and sensing. In feature-based SLAM, the quantityand…

Robotics · Computer Science 2025-09-03 Haolan Zhang , Chenghao Li , Thanh Nguyen Canh , Lijun Wang , Nak Young Chong

In the last decades, Light Detection And Ranging (LiDAR) technology has been extensively explored as a robust alternative for self-localization and mapping. These approaches typically state ego-motion estimation as a non-linear optimization…

Accurate estimation of the environment structure simultaneously with the robot pose is a key capability of autonomous robotic vehicles. Classical simultaneous localization and mapping (SLAM) algorithms rely on the static world assumption to…

Robotics · Computer Science 2018-05-11 Mina Henein , Gerard Kennedy , Viorela Ila , Robert Mahony

Visual-LiDAR odometry is a critical component for autonomous system localization, yet achieving high accuracy and strong robustness remains a challenge. Traditional approaches commonly struggle with sensor misalignment, fail to fully…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Mengmeng Liu , Michael Ying Yang , Jiuming Liu , Yunpeng Zhang , Jiangtao Li , Sander Oude Elberink , George Vosselman , Hao Cheng

Visual odometry (VO) and SLAM have been using multi-view geometry via local structure from motion for decades. These methods have a slight disadvantage in challenging scenarios such as low-texture images, dynamic scenarios, etc. Meanwhile,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-11 Akankshya Kar , Sajal Maheshwari , Shamit Lal , Vinay Sameer Raja Kad

LiDAR-to-OpenStreetMap (OSM) localization has gained increasing attention, as OSM provides lightweight global priors such as building footprints. These priors enhance global consistency for robot navigation, but OSM is often incomplete or…

Robotics · Computer Science 2025-09-16 Jianping Li , Kaisong Zhu , Zhongyuan Liu , Rui Jin , Xinhang Xu , Pengfei Wan , Lihua Xie

We present Wildcat, a novel online 3D lidar-inertial SLAM system with exceptional versatility and robustness. At its core, Wildcat combines a robust real-time lidar-inertial odometry module, utilising a continuous-time trajectory…

In this paper, a complete framework for Autonomous Self Driving is implemented. LIDAR, Camera and IMU sensors are used together. The entire data communication is managed using Robot Operating System which provides a robust platform for…

Robotics · Computer Science 2022-12-15 Rahul M K , Sumukh B , Praveen L Uppunda , Vinayaka Raju , C Gururaj

Despite the growing interest for autonomous environmental monitoring, effective SLAM realization in native habitats remains largely unsolved. In this paper, we fill this gap by presenting a novel online graph-based SLAM system for 2D LiDAR…

Robotics · Computer Science 2021-07-15 Quang-Ha Pham , Ngoc-Huy Tran , Thanh-Toan Nguyen , Thien-Phuc Tran

Precise, seamless, and efficient train localization as well as long-term railway environment monitoring is the essential property towards reliability, availability, maintainability, and safety (RAMS) engineering for railroad systems.…

Robotics · Computer Science 2023-10-30 Yusheng Wang , Weiwei Song , Yi Zhang , Fei Huang , Zhiyong Tu , Ruoying Li , Shimin Zhang , Yidong Lou

One of the main challenges in simultaneous localization and mapping (SLAM) is real-time processing. High-computational loads linked to data acquisition and processing complicate this task. This article presents an efficient feature…

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

In this paper, we present a novel method for integrating 3D LiDAR depth measurements into the existing ORB-SLAM3 by building upon the RGB-D mode. We propose and compare two methods of depth map generation: conventional computer vision…

Robotics · Computer Science 2022-12-07 Florian Sauerbeck , Benjamin Obermeier , Martin Rudolph , Johannes Betz