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Simultaneous Localization And Mapping (SLAM) is a task to estimate the robot location and to reconstruct the environment based on observation from sensors such as LIght Detection And Ranging (LiDAR) and camera. It is widely used in robotic…

机器人学 · 计算机科学 2021-02-18 Han Wang , Chen Wang , Lihua Xie

Simultaneous localization and mapping (SLAM) approaches for mobile robots remains challenging in forest or arboreal fruit farming environments, where tree canopies obstruct Global Navigation Satellite Systems (GNSS) signals. Unlike indoor…

Routine and repetitive infrastructure inspections present safety, efficiency, and consistency challenges as they are performed manually, often in challenging or hazardous environments. They can also introduce subjectivity and errors into…

机器人学 · 计算机科学 2025-01-28 Jake McLaughlin , Nicholas Charron , Sriram Narasimhan

Bundle adjustment (BA) with parallax angle based feature parameterization has been shown to have superior performance over BA using inverse depth or XYZ feature forms. In this paper, we propose an improved version of the parallax BA…

机器人学 · 计算机科学 2018-07-11 Liyang Liu , Teng Zhang , Yi Liu , Brenton Leighton , Liang Zhao , Shoudong Huang , Gamini Dissanayake

Efficient, accurate, and flexible relative localization is crucial in air-ground collaborative tasks. However, current approaches for robot relative localization are primarily realized in the form of distributed multi-robot SLAM systems…

Unmanned aerial vehicles (UAVs) with flexible deployment contribute to enlarging the distance of information transmission to mobile users (MUs) in constrained environment. However, due to the high mobility of both UAVs and MUs, it is…

分布式、并行与集群计算 · 计算机科学 2024-04-23 Jing Zhang , Sheng Gao , Xin Feng , Hongwei Yang , Geng Sun

We introduce a new algorithm to solve a regularized spatial-spectral image estimation problem. Our approach is based on the linearized alternating directions method of multipliers (LADMM), which is a variation of the popular ADMM algorithm.…

信号处理 · 电气工程与系统科学 2025-02-25 Yunsong Liu , Debdut Mandal , Congyu Liao , Kawin Setsompop , Justin P. Haldar

This paper introduces BIMCaP, a novel method to integrate mobile 3D sparse LiDAR data and camera measurements with pre-existing building information models (BIMs), enhancing fast and accurate indoor mapping with affordable sensors. BIMCaP…

机器人学 · 计算机科学 2024-12-05 Miguel Arturo Vega Torres , Anna Ribic , Borja García de Soto , André Borrmann

Simultaneous mapping and localization (SLAM) in an real indoor environment is still a challenging task. Traditional SLAM approaches rely heavily on low-level geometric constraints like corners or lines, which may lead to tracking failure in…

机器人学 · 计算机科学 2019-10-01 Xueyang Kang , Shunying Yuan

Robots navigating indoor environments often have access to architectural plans, which can serve as prior knowledge to enhance their localization and mapping capabilities. While some SLAM algorithms leverage these plans for global…

Simultaneous Localization and Mapping (SLAM) plays an important role in robot autonomy. Reliability and efficiency are the two most valued features for applying SLAM in robot applications. In this paper, we consider achieving a reliable…

机器人学 · 计算机科学 2023-10-09 Shiquan Yi , Yang Lyu , Lin Hua , Quan Pan , Chunhui Zhao

Simultaneous Localization and Mapping (SLAM) has been considered as a solved problem thanks to the progress made in the past few years. However, the great majority of LiDAR-based SLAM algorithms are designed for a specific type of payload…

机器人学 · 计算机科学 2018-10-31 Weikun Zhen , Sebastian Scherer

Point cloud datasets often suffer from inadequate sample sizes in comparison to image datasets, making data augmentation challenging. While traditional methods, like rigid transformations and scaling, have limited potential in increasing…

计算机视觉与模式识别 · 计算机科学 2023-11-13 Jiacheng Wei , Guosheng Lin , Henghui Ding , Jie Hu , Kim-Hui Yap

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

Millimeter wave (mmWave) communication with large array gains is a key ingredient of next generation (5G) wireless networks. Effective communication in mmWaves usually depends on the knowledge of the channel. We refer to the problem of…

信息论 · 计算机科学 2017-11-30 Xiaoshen Song , Saeid Haghighatshoar , Giuseppe Caire

This paper presents an algorithm for indoor layout estimation and reconstruction through the fusion of a sequence of captured images and LiDAR data sets. In the proposed system, a movable platform collects both intensity images and 2D LiDAR…

计算机视觉与模式识别 · 计算机科学 2020-01-16 Jieyu Li , Robert L Stevenson

Integrating multiple LiDAR sensors can significantly enhance a robot's perception of the environment, enabling it to capture adequate measurements for simultaneous localization and mapping (SLAM). Indeed, solid-state LiDARs can bring in…

机器人学 · 计算机科学 2023-03-07 Li Qingqing , Yu Xianjia , Jorge Peña Queralta , Tomi Westerlund

Decentralized multi-robot LiDAR-SLAM is essential for collaborative missions but faces significant challenges in maintaining global consistency. Existing frameworks predominantly rely on local-search optimization or one-time coordinate…

机器人学 · 计算机科学 2026-05-26 Baoshan Song , Feng Huang , Li-Ta Hsu

This work presents cost-effective low-rank techniques for designing robust adaptive beamforming (RAB) algorithms. The proposed algorithms are based on the exploitation of the cross-correlation between the array observation data and the…

计算工程、金融与科学 · 计算机科学 2016-08-24 H. Ruan , R. C. de Lamare

Precise sensor calibration is critical for autonomous vehicles as a prerequisite for perception algorithms to function properly. Rotation error of one degree can translate to position error of meters in target object detection at large…

机器人学 · 计算机科学 2025-06-24 Zhongyuan Li , Honggang Gou , Ping Li , Jiaotong Guo , Mao Ye