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The SLAM problem is known to have a special property that when robot orientation is known, estimating the history of robot poses and feature locations can be posed as a standard linear least squares problem. In this work, we develop a SLAM…

机器人学 · 计算机科学 2016-09-20 Saurav Agarwal , Vikram Shree , Suman Chakravorty

Monocular visual SLAM has become an attractive practical approach for robot localization and 3D environment mapping, since cameras are small, lightweight, inexpensive, and produce high-rate, high-resolution data streams. Although numerous…

计算机视觉与模式识别 · 计算机科学 2018-06-08 Hasnain Vohra , Maxim Bazik , Matthew Antone , Joseph Mundy , William Stephenson

X-ray imaging is a fundamental tool of routine clinical diagnosis. Fluoroscopic imaging can further acquire X-ray images at video frame rates, thus enabling non-invasive in-vivo motion studies of joints, gastrointestinal tract, etc. For…

图像与视频处理 · 电气工程与系统科学 2018-10-22 Jacky C. K. Chow , Derek Lichti , Kathleen Ang , Gregor Kuntze , Gulshan Sharma , Janet Ronsky

Reconstructing precise camera poses and floor plan layouts from wide-baseline RGB panoramas is a difficult and unsolved problem. We introduce BADGR, a novel diffusion model that jointly performs reconstruction and bundle adjustment (BA) to…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Yuguang Li , Ivaylo Boyadzhiev , Zixuan Liu , Linda Shapiro , Alex Colburn

The Simultaneous Localization and Mapping (SLAM) problem addresses the possibility of a robot to localize itself in an unknown environment and simultaneously build a consistent map of this environment. Recently, cameras have been…

计算机视觉与模式识别 · 计算机科学 2021-06-02 Hudson M. S. Bruno , Esther L. Colombini

In this paper, we propose a dense monocular SLAM system, named DeepRelativeFusion, that is capable to recover a globally consistent 3D structure. To this end, we use a visual SLAM algorithm to reliably recover the camera poses and…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Shing Yan Loo , Syamsiah Mashohor , Sai Hong Tang , Hong Zhang

Vision-based sensors have shown significant performance, accuracy, and efficiency gain in Simultaneous Localization and Mapping (SLAM) systems in recent years. In this regard, Visual Simultaneous Localization and Mapping (VSLAM) methods…

计算机视觉与模式识别 · 计算机科学 2022-12-02 Ali Tourani , Hriday Bavle , Jose Luis Sanchez-Lopez , Holger Voos

Learning to predict scene depth and camera motion from RGB inputs only is a challenging task. Most existing learning based methods deal with this task in a supervised manner which require ground-truth data that is expensive to acquire. More…

计算机视觉与模式识别 · 计算机科学 2019-10-01 Yunxiao Shi , Jing Zhu , Yi Fang , Kuochin Lien , Junli Gu

The visual simultaneous localization and mapping(vSLAM) is widely used in GPS-denied and open field environments for ground and surface robots. However, due to the frequent perception failures derived from lacking visual texture or the…

机器人学 · 计算机科学 2023-05-23 Zhihao Wang , Haoyao Chen , Shiwu Zhang , Yunjiang Lou

Simultaneous localization and mapping (SLAM) in slowly varying scenes is important for long-term robot task completion. Failing to detect scene changes may lead to inaccurate maps and, ultimately, lost robots. Classical SLAM algorithms…

The integration of neural rendering and the SLAM system recently showed promising results in joint localization and photorealistic view reconstruction. However, existing methods, fully relying on implicit representations, are so…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Huajian Huang , Longwei Li , Hui Cheng , Sai-Kit Yeung

Visual SLAM with thermal imagery, and other low contrast visually degraded environments such as underwater, or in areas dominated by snow and ice, remain a difficult problem for many state of the art (SOTA) algorithms. In addition to…

计算机视觉与模式识别 · 计算机科学 2024-04-01 Colin Keil , Aniket Gupta , Pushyami Kaveti , Hanumant Singh

Analysis of state-of-the-art VO/VSLAM system exposes a gap in balancing performance (accuracy & robustness) and efficiency (latency). Feature-based systems exhibit good performance, yet have higher latency due to explicit data association;…

机器人学 · 计算机科学 2020-01-06 Yipu Zhao , Patricio A. Vela

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…

机器人学 · 计算机科学 2018-05-11 Mina Henein , Gerard Kennedy , Viorela Ila , Robert Mahony

Structure-from-Motion (SfM) is a fundamental 3D vision task for recovering camera parameters and scene geometry from multi-view images. While recent deep learning advances enable accurate Monocular Depth Estimation (MDE) from single images…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Shengjie Zhu , Ahmed Abdelkader , Mark J. Matthews , Xiaoming Liu , Wen-Sheng Chu

NeRF-based SLAM has recently achieved promising results in tracking and reconstruction. However, existing methods face challenges in providing sufficient scene representation, capturing structural information, and maintaining global…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Ziren Gong , Fabio Tosi , Youmin Zhang , Stefano Mattoccia , Matteo Poggi

In this paper, we present a new fault diagnosis (FD) -based approach for detection of imagery changes that can detect significant changes as inconsistencies between different sub-modules (e.g., self-localizaiton) of visual SLAM. Unlike…

计算机视觉与模式识别 · 计算机科学 2019-09-23 Sugimoto Takuma , Yamaguchi Kousuke , Tanaka Kanji

Bundle Adjustment (BA) has been proven to improve the accuracy of the LiDAR mapping. However, the BA method has not yet been properly employed in a dead-reckoning navigation system. In this paper, we present a frame-to-frame (F2F) BA for…

机器人学 · 计算机科学 2024-02-13 Hailiang Tang , Tisheng Zhang , Liqiang Wang , Man Yuan , Xiaoji Niu

Object SLAM is considered increasingly significant for robot high-level perception and decision-making. Existing studies fall short in terms of data association, object representation, and semantic mapping and frequently rely on additional…

机器人学 · 计算机科学 2023-10-09 Yanmin Wu , Yunzhou Zhang , Delong Zhu , Zhiqiang Deng , Wenkai Sun , Xin Chen , Jian Zhang

Radar is more resilient to adverse weather and lighting conditions than visual and Lidar simultaneous localization and mapping (SLAM). However, most radar SLAM pipelines still rely heavily on frame-to-frame odometry, which leads to…

机器人学 · 计算机科学 2026-04-16 Pou-Chun Kung , Yuan Tian , Zhengqin Li , Yue Liu , Eric Whitmire , Wolf Kienzle , Hrvoje Benko