中文
相关论文

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

200 篇论文

Fusing data from LiDAR and camera is conceptually attractive because of their complementary properties. For instance, camera images are higher resolution and have colors, while LiDAR data provide more accurate range measurements and have a…

机器人学 · 计算机科学 2019-07-02 Weikun Zhen , Yaoyu Hu , Jingfeng Liu , Sebastian Scherer

In this paper, we present BAMF-SLAM, a novel multi-fisheye visual-inertial SLAM system that utilizes Bundle Adjustment (BA) and recurrent field transforms (RFT) to achieve accurate and robust state estimation in challenging scenarios.…

机器人学 · 计算机科学 2025-08-06 Wei Zhang , Sen Wang , Xingliang Dong , Rongwei Guo , Norbert Haala

Location-aided beam alignment has been proposed recently as a potential approach for fast link establishment in millimeter wave (mmWave) massive MIMO (mMIMO) communications. However, due to mobility and other imperfections in the estimation…

信息论 · 计算机科学 2017-08-29 Flavio Maschietti , David Gesbert , Paul de Kerret , Henk Wymeersch

High-frequency bands such as millimeter-wave and terahertz require narrow beams due to path loss and shadowing. Beam alignment (BA) methods allow the transceivers to adjust the directions of these beams efficiently by exploiting the channel…

信息论 · 计算机科学 2022-05-17 Ozlem Yildiz , Abbas Khalili , Elza Erkip

Visual simultaneous localization and mapping (VSLAM) has broad applications, with state-of-the-art methods leveraging deep neural networks for better robustness and applicability. However, there is a lack of research in fusing these…

机器人学 · 计算机科学 2024-03-21 Yuxuan Zhou , Xingxing Li , Shengyu Li , Xuanbin Wang , Shaoquan Feng , Yuxuan Tan

We address rotation averaging (RA) and its application to real-world 3D reconstruction. Local optimisation based approaches are the de facto choice, though they only guarantee a local optimum. Global optimisers ensure global optimality in…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Yu Chen , Ji Zhao , Laurent Kneip

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 presents a method for robust optimization for online incremental Simultaneous Localization and Mapping (SLAM). Due to the NP-Hardness of data association in the presence of perceptual aliasing, tractable (approximate) approaches…

机器人学 · 计算机科学 2023-04-28 Daniel McGann , John G. Rogers , Michael Kaess

Navigation solutions suitable for cases when both autonomous robot's pose (\textit{i.e}., attitude and position) and its environment are unknown are in great demand. Simultaneous Localization and Mapping (SLAM) fulfills this need by…

系统与控制 · 电气工程与系统科学 2022-04-04 Hashim A. Hashim , Abdelrahman E. E. Eltoukhy

Simultaneous Localization and Mapping (SLAM) has wide robotic applications such as autonomous driving and unmanned aerial vehicles. Both computational efficiency and localization accuracy are of great importance towards a good SLAM system.…

机器人学 · 计算机科学 2022-01-10 Han Wang , Chen Wang , Chun-Lin Chen , Lihua Xie

Multiview registration is used to estimate Rigid Body Transformations (RBTs) from multiple frames and reconstruct a scene with corresponding scans. Despite the success of pairwise registration and pose synchronization, the concept of Bundle…

机器人学 · 计算机科学 2021-08-09 Huaiyang Huang , Yuxiang Sun , Jin Wu , Jiaohao Jiao , Xiangcheng Hu , Linwei Zheng , Lujia Wang , Ming Liu

The cost-efficiency of visual(-inertial) SLAM (VSLAM) is a critical characteristic of resource-limited applications. While hardware and algorithm advances have been significantly improved the cost-efficiency of VSLAM front-ends, the…

计算机视觉与模式识别 · 计算机科学 2020-08-25 Yipu Zhao , Justin S. Smith , Patricio A. Vela

Simultaneous Localization and Mapping (SLAM) is a key tool for monitoring construction sites, where aligning the evolving as-built state with the as-planned design enables early error detection and reduces costly rework. LiDAR-based SLAM…

Solid-state LiDAR-inertial SLAM has attracted significant attention due to its advantages in speed and robustness. However, achieving accurate mapping in extreme environments remains challenging due to severe geometric degeneracy and…

机器人学 · 计算机科学 2026-05-29 Zhi Zhang , Chalermchon Satirapod , Bingtao Ma , Changjun Gu

Multiplicative errors in addition to spatially referenced observations often arise in geodetic applications, particularly in surface estimation with light detection and ranging (LiDAR) measurements. However, spatial regression involving…

统计方法学 · 统计学 2023-09-06 Hojun You , Wei-Ying Wu , Chae Young Lim , Kyubaek Yoon , Jongeun Choi

To overcome the high path-loss and the intense shadowing in millimeter-wave (mmWave) communications, effective beamforming schemes are required which incorporate narrow beams with high beamforming gains. The mmWave channel consists of a few…

信息论 · 计算机科学 2022-02-15 Nariman Torkzaban , Mohammad A. , Khojastepour , John S. Baras

(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…

机器人学 · 计算机科学 2025-10-31 Tian Yi Lim , Boyang Sun , Marc Pollefeys , Hermann Blum

We propose a new method for fine registering multiple point clouds simultaneously. The approach is characterized by being dense, therefore point clouds are not reduced to pre-selected features in advance. Furthermore, the approach is robust…

机器人学 · 计算机科学 2024-06-18 David Skuddis , Norbert Haala

The use of infrastructure sensor technology for traffic detection has already been proven several times. However, extrinsic sensor calibration is still a challenge for the operator. While previous approaches are unable to calibrate the…

计算机视觉与模式识别 · 计算机科学 2020-08-04 Laurent Kloeker , Christian Kotulla , Lutz Eckstein

This paper presents a Visual Inertial Odometry Landmark-based Simultaneous Localisation and Mapping algorithm based on a distributed block coordinate nonlinear Moving Horizon Estimation scheme. The main advantage of the proposed method is…

机器人学 · 计算机科学 2023-04-05 Emilien Flayac , Iman Shames