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相关论文: Sparse 3D Point-cloud Map Upsampling and Noise Rem…

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Real-time 3D reconstruction is crucial for robotics and augmented reality, yet current simultaneous localization and mapping(SLAM) approaches often struggle to maintain structural consistency and robust pose estimation in the presence of…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Xu Wang , Boyao Han , Xiaojun Chen , Ying Liu , Ruihui Li

Vision-based simultaneous localization and mapping (vSLAM) is a well-established problem in mobile robotics and monocular vSLAM is one of the most challenging variations of that problem nowadays. In this work we study one of the core…

计算机视觉与模式识别 · 计算机科学 2018-06-26 Andrey Bokovoy , Konstantin Yakovlev

Autonomous exploration of unknown environments is a key capability for mobile robots, but it is largely unsolved for robots equipped with only a single monocular camera and no dense range sensors. In this paper, we present a novel approach…

机器人学 · 计算机科学 2026-05-15 Tomáš Musil , Matěj Petrlík , Martin Saska

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

In this paper, we propose a tightly-coupled SLAM system fused with RGB, Depth, IMU and structured plane information. Traditional sparse points based SLAM systems always maintain a mass of map points to model the environment. Huge number of…

机器人学 · 计算机科学 2022-07-05 Danpeng Chen , Shuai Wang , Weijian Xie , Shangjin Zhai , Nan Wang , Hujun Bao , Guofeng Zhang

3D Gaussian Splatting has emerged as a promising technique for high-quality 3D rendering, leading to increasing interest in integrating 3DGS into realism SLAM systems. However, existing methods face challenges such as Gaussian primitives…

机器人学 · 计算机科学 2024-12-16 Lizhi Bai , Chunqi Tian , Jun Yang , Siyu Zhang , Masanori Suganuma , Takayuki Okatani

Recent work has shown impressive localization performance using only images of ground textures taken with a downward facing monocular camera. This provides a reliable navigation method that is robust to feature sparse environments and…

机器人学 · 计算机科学 2023-03-13 Kyle M. Hart , Brendan Englot , Ryan P. O'Shea , John D. Kelly , David Martinez

Simultaneous localization and mapping (SLAM) has been a hot research field in the past years. Against the backdrop of more affordable 3D LiDAR sensors, research on 3D LiDAR SLAM is becoming increasingly popular. Furthermore, the…

机器人学 · 计算机科学 2021-09-02 Ziqi Chai , Xiaoyu Shi , Yan Zhou , Zhenhua Xiong

Many visual simultaneous localization and mapping (SLAM) systems have been shown to be accurate and robust, and have real-time performance capabilities on both indoor and ground datasets. However, these methods can be problematic when…

计算机视觉与模式识别 · 计算机科学 2020-07-30 Zongqian Zhan , Wenjie Jian , Yihui Li , Xin Wang , Yang Yue

Most existing point cloud upsampling methods have roughly three steps: feature extraction, feature expansion and 3D coordinate prediction. However,they usually suffer from two critical issues: (1)fixed upsampling rate after one-time…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Yun He , Danhang Tang , Yinda Zhang , Xiangyang Xue , Yanwei Fu

Initial applications of 3D Gaussian Splatting (3DGS) in Visual Simultaneous Localization and Mapping (VSLAM) demonstrate the generation of high-quality volumetric reconstructions from monocular video streams. However, despite these…

机器人学 · 计算机科学 2024-10-23 Yan Song Hu , Dayou Mao , Yuhao Chen , John Zelek

Learning and analyzing 3D point clouds with deep networks is challenging due to the sparseness and irregularity of the data. In this paper, we present a data-driven point cloud upsampling technique. The key idea is to learn multi-level…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Lequan Yu , Xianzhi Li , Chi-Wing Fu , Daniel Cohen-Or , Pheng-Ann Heng

Visual robot navigation within large-scale, semi-structured environments deals with various challenges such as computation intensive path planning algorithms or insufficient knowledge about traversable spaces. Moreover, many…

机器人学 · 计算机科学 2018-03-12 Fabian Blöchliger , Marius Fehr , Marcin Dymczyk , Thomas Schneider , Roland Siegwart

(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

In recent years considerable research in LiDAR semantic segmentation was conducted, introducing several new state of the art models. However, most research focuses on single-scan point clouds, limiting performance especially in long…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Andrea Matteazzi , Pascal Colling , Michael Arnold , Dietmar Tutsch

Diffusion models are a powerful framework for tackling ill-posed problems, with recent advancements extending their use to point cloud upsampling. Despite their potential, existing diffusion models struggle with inefficiencies as they map…

计算机视觉与模式识别 · 计算机科学 2025-01-28 Zhi-Song Liu , Chenhang He , Lei Li

Recent widespread applications for unmanned aerial vehicles (UAVs) -- from infrastructure inspection to urban logistics -- have prompted an urgent need for high-accuracy three-dimensional (3D) radio maps. However, existing methods designed…

信息论 · 计算机科学 2024-08-09 Xinwei Chen , Xiaofeng Zhong , Zijian Zhang , Linglong Dai , Shidong Zhou

Localization and navigation are basic robotic tasks requiring an accurate and up-to-date map to finish these tasks, with crowdsourced data to detect map changes posing an appealing solution. Collecting and processing crowdsourced data…

机器人学 · 计算机科学 2022-11-14 Zihan Lin , Jincheng Yu , Lipu Zhou , Xudong Zhang , Jian Wang , Yu Wang

The current LiDAR SLAM (Simultaneous Localization and Mapping) system suffers greatly from low accuracy and limited robustness when faced with complicated circumstances. From our experiments, we find that current LiDAR SLAM systems have…

机器人学 · 计算机科学 2022-12-13 Kangcheng Liu

3D Gaussian Splatting (3DGS) has gained significant attention for its application in dense Simultaneous Localization and Mapping (SLAM), enabling real-time rendering and high-fidelity mapping. However, existing 3DGS-based SLAM methods often…

机器人学 · 计算机科学 2024-09-18 Ziheng Xu , Qingfeng Li , Chen Chen , Xuefeng Liu , Jianwei Niu