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相关论文: Robust Second-order LiDAR Bundle Adjustment Algori…

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The flexibility of Simultaneous Localization and Mapping (SLAM) algorithms in various environments has consistently been a significant challenge. To address the issue of LiDAR odometry drift in high-noise settings, integrating clustering…

机器人学 · 计算机科学 2024-02-08 Mazeyu Ji , Wenbo Shi , Yujie Cui , Chengju Liu , Qijun Chen

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…

机器人学 · 计算机科学 2025-07-10 Xiaolei Lang , Jiajun Lv , Kai Tang , Laijian Li , Jianxin Huang , Lina Liu , Yong Liu , Xingxing Zuo

Long-term visual localization in outdoor environment is a challenging problem, especially faced with the cross-seasonal, bi-directional tasks and changing environment. In this paper we propose a novel visual inertial localization framework…

机器人学 · 计算机科学 2018-03-06 Xiaqing Ding , Yue Wang , Dongxuan Li , Li Tang , Huan Yin , Rong Xiong

Finite-sample bias is a pervasive challenge in the estimation of structural equation models (SEMs), especially when sample sizes are small or measurement reliability is low. A range of methods have been proposed to improve finite-sample…

统计方法学 · 统计学 2026-03-30 Haziq Jamil , Yves Rosseel , Oliver Kemp , Ioannis Kosmidis

This paper studies 3D LiDAR mapping with a focus on developing an updatable and localizable map representation that enables continuity, compactness and consistency in 3D maps. Traditional LiDAR Simultaneous Localization and Mapping (SLAM)…

机器人学 · 计算机科学 2025-06-27 Kaicheng Zhang , Shida Xu , Yining Ding , Xianwen Kong , Sen Wang

Terahertz (THz) systems have the benefit of high bandwidth and hence are capable of supporting ultra-high data rates, albeit at the cost of high pathloss. Hence they tend to harness high-gain beamforming. Therefore a novel hybrid 3D…

信号处理 · 电气工程与系统科学 2022-02-07 Xufang Wang , Zihuai Lin , Feng Lin , Lajos Hanzo , Life Fellow

Data subject to heavy-tailed errors are commonly encountered in various scientific fields, especially in the modern era with explosion of massive data. To address this problem, procedures based on quantile regression and Least Absolute…

统计理论 · 数学 2014-10-09 Jianqing Fan , Quefeng Li , Yuyan Wang

Mixture-of-Experts (MoE) embedding models combine expert outputs using weighted linear summation, implicitly assuming a linear subspace structure in the embedding space. This assumption is shown to be inconsistent with the geometry of…

计算与语言 · 计算机科学 2026-02-17 Sajjad Kachuee , Mohammad Sharifkhani

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…

机器人学 · 计算机科学 2025-04-14 Chengwei Zhao , Yixuan Li , Yina Jian , Jie Xu , Linji Wang , Yongxin Ma , Xinglai Jin

Typical LiDAR SLAM architectures feature a front-end for odometry estimation and a back-end for refining and optimizing the trajectory and map, commonly through loop closures. However, loop closure detection in large-scale missions presents…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Nikolaos Stathoulopoulos , Christoforos Kanellakis , George Nikolakopoulos

Data augmentation (DA) is a crucial technique for enhancing the sample efficiency of visual reinforcement learning (RL) algorithms. Notably, employing simple observation transformations alone can yield outstanding performance without extra…

机器学习 · 计算机科学 2023-10-30 Guozheng Ma , Linrui Zhang , Haoyu Wang , Lu Li , Zilin Wang , Zhen Wang , Li Shen , Xueqian Wang , Dacheng Tao

In this paper, we investigate a novel multiple-input multiple-output (MIMO) radar system aided by phase shifter based polarization-reconfigurable antennas (PRAs). Specifically, a base station (BS) equipped with multiple PRAs at both the…

信息论 · 计算机科学 2025-10-23 Jinpeng Xu , Shuowen Zhang

Reconstructing 3D shapes from a sequence of images has long been a problem of interest in computer vision. Classical Structure from Motion (SfM) methods have attempted to solve this problem through projected point displacement \& bundle…

计算机视觉与模式识别 · 计算机科学 2017-11-07 Rui Zhu , Chaoyang Wang , Chen-Hsuan Lin , Ziyan Wang , Simon Lucey

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…

机器人学 · 计算机科学 2022-05-17 Han Wang , Jing Ying Ko , Lihua Xie

Balancing cost and performance is crucial when choosing high- versus low-resolution point-cloud roadside sensors. For example, LiDAR delivers dense point cloud, while 4D millimeter-wave radar, though spatially sparser, embeds velocity cues…

机器人学 · 计算机科学 2025-05-06 Shaozu Ding , Yihong Tang , Marco De Vincenzi , Dajiang Suo

In this paper, we investigate the beam alignment problem in millimeter-wave (mmWave) distributed antenna systems where a home base station communicates with multiple users through a number of distributed remote radio units (RRUs).…

信息论 · 计算机科学 2019-05-09 Zhiqiang Wei , Min Qiu , Derrick Wing Kwan Ng , Jinhong Yuan

In this work, we propose a simultaneous localization and mapping (SLAM) system using a monocular camera and Ultra-wideband (UWB) sensors. Our system, referred to as VRSLAM, is a multi-stage framework that leverages the strengths and…

机器人学 · 计算机科学 2023-03-21 Thien Hoang Nguyen , Shenghai Yuan , Lihua Xie

Recovering texture information from the aliasing regions has always been a major challenge for Single Image Super Resolution (SISR) task. These regions are often submerged in noise so that we have to restore texture details while…

图像与视频处理 · 电气工程与系统科学 2021-09-13 Fanyi Wang , Haotian Hu , Cheng Shen

Accurate localization is essential for the safe and effective navigation of autonomous vehicles, and Simultaneous Localization and Mapping (SLAM) is a cornerstone technology in this context. However, The performance of the SLAM system can…

机器人学 · 计算机科学 2025-03-03 Hui Lai , Qi Chen , Junping Zhang , Jian Pu

Mapping expansive regions is an arduous and often times incomplete when performed by a single agent. In this paper we illustrate an extension of \texttt{Full SLAM} \cite{Dellaert06ijrr} and \cite{dong}, which ensures smooth maps with…

机器人学 · 计算机科学 2018-05-08 Karthik Paga , Joe Phaneuf , Adam Driscoll , David Evans