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Simultaneous localization and mapping is essential for position tracking and scene understanding. 3D Gaussian-based map representations enable photorealistic reconstruction and real-time rendering of scenes using multiple posed cameras. We…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Lisong C. Sun , Neel P. Bhatt , Jonathan C. Liu , Zhiwen Fan , Zhangyang Wang , Todd E. Humphreys , Ufuk Topcu

The simultaneous localization and mapping (SLAM) problem is considered in three dimensions. The proposed algorithm, differential geometric SLAM (DG-SLAM), employs methods from differential geometry to propagate the state and map estimates.…

机器人学 · 计算机科学 2015-06-02 David Evan Zlotnik , James Richard Forbes

Aerial navigation in GPS-denied, indoor environments, is still an open challenge. Drones can perceive the environment from a richer set of viewpoints, while having more stringent compute and energy constraints than other autonomous…

机器人学 · 计算机科学 2021-06-18 Ni Wang , Ozan Catal , Tim Verbelen , Matthias Hartmann , Bart Dhoedt

Where am I? This is one of the most critical questions that any intelligent system should answer to decide whether it navigates to a previously visited area. This problem has long been acknowledged for its challenging nature in simultaneous…

机器人学 · 计算机科学 2022-11-10 Konstantinos A. Tsintotas , Loukas Bampis , Antonios Gasteratos

We introduce a high-fidelity neural implicit dense visual Simultaneous Localization and Mapping (SLAM) system, termed DF-SLAM. In our work, we employ dictionary factors for scene representation, encoding the geometry and appearance…

计算机视觉与模式识别 · 计算机科学 2024-06-27 Weifeng Wei , Jie Wang , Shuqi Deng , Jie Liu

Conventional visual simultaneous localization and mapping (SLAM) algorithms often fail under rapid motion, low illumination, or abrupt lighting transitions due to motion blur and limited dynamic range. Event cameras mitigate these issues…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Şebnem Sarıözkan , Hürkan Şahin , Olaya Álvarez-Tuñón , Erdal Kayacan

There are many possibilities for how to represent the map in simultaneous localisation and mapping (SLAM). While sparse, keypoint-based SLAM systems have achieved impressive levels of accuracy and robustness, their maps may not be suitable…

机器人学 · 计算机科学 2022-03-16 Tristan Laidlow , Andrew J. Davison

Simultaneous localization and mapping (SLAM) plays a vital role in mapping unknown spaces and aiding autonomous navigation. Virtually all state-of-the-art solutions today for 2D SLAM are designed for dense and accurate sensors such as laser…

机器人学 · 计算机科学 2023-12-06 Hanzhi Zhou , Zichao Hu , Sihang Liu , Samira Khan

Most current LiDAR simultaneous localization and mapping (SLAM) systems build maps in point clouds, which are sparse when zoomed in, even though they seem dense to human eyes. Dense maps are essential for robotic applications, such as…

机器人学 · 计算机科学 2023-03-10 Jianyuan Ruan , Bo Li , Yibo Wang , Yuxiang Sun

Decentralized visual simultaneous localization and mapping (SLAM) is a powerful tool for multi-robot applications in environments where absolute positioning systems are not available. Being visual, it relies on cameras, cheap, lightweight…

机器人学 · 计算机科学 2018-04-06 Titus Cieslewski , Siddharth Choudhary , Davide Scaramuzza

Simultaneous Localization and Mapping (SLAM) is one of the most important environment-perception and navigation algorithms for computer vision, robotics, and autonomous cars/drones. Hence, high quality and fast mapping becomes a fundamental…

Simultaneous localization and mapping (SLAM) systems with novel view synthesis capabilities are widely used in computer vision, with applications in augmented reality, robotics, and autonomous driving. However, existing approaches are…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Vladimir Yugay , Theo Gevers , Martin R. Oswald

Incrementally recovering real-sized 3D geometry from a pose-free RGB stream is a challenging task in 3D reconstruction, requiring minimal assumptions on input data. Existing methods can be broadly categorized into end-to-end and visual…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Linqing Zhao , Xiuwei Xu , Yirui Wang , Hao Wang , Wenzhao Zheng , Yansong Tang , Haibin Yan , Jiwen Lu

With the rise of deep learning, there is a fundamental change in visual SLAM algorithms toward developing different modules trained as end-to-end pipelines. However, regardless of the implementation domain, visual SLAM's performance is…

机器人学 · 计算机科学 2025-03-06 Olaya Alvarez-Tunon , Yury Brodskiy , Erdal Kayacan

In this letter, we present a neural field-based real-time monocular mapping framework for accurate and dense Simultaneous Localization and Mapping (SLAM). Recent neural mapping frameworks show promising results, but rely on RGB-D or pose…

机器人学 · 计算机科学 2023-12-18 Wei Zhang , Tiecheng Sun , Sen Wang , Qing Cheng , Norbert Haala

Simultaneous localization and mapping (SLAM) based on particle filtering has been extensively employed in indoor scenarios due to its high efficiency. However, in geometry feature-less scenes, the accuracy is severely reduced due to lack of…

机器人学 · 计算机科学 2025-07-28 Yanbin Li , Wei Zhang , Zhiguo Zhang , Xiaogang Shi , Ziruo Li , Mingming Zhang , Hongping Xie , Wenzheng Chi

This paper presents a collaborative implicit neural simultaneous localization and mapping (SLAM) system with RGB-D image sequences, which consists of complete front-end and back-end modules including odometry, loop detection, sub-map…

计算机视觉与模式识别 · 计算机科学 2023-11-15 Jiarui Hu , Mao Mao , Hujun Bao , Guofeng Zhang , Zhaopeng Cui

We present HI-SLAM2, a geometry-aware Gaussian SLAM system that achieves fast and accurate monocular scene reconstruction using only RGB input. Existing Neural SLAM or 3DGS-based SLAM methods often trade off between rendering quality and…

机器人学 · 计算机科学 2026-02-03 Wei Zhang , Qing Cheng , David Skuddis , Niclas Zeller , Daniel Cremers , Norbert Haala

One of the major challenges in Minimally Invasive Surgery (MIS) such as laparoscopy is the lack of depth perception. In recent years, laparoscopic scene tracking and surface reconstruction has been a focus of investigation to provide rich…

计算机视觉与模式识别 · 计算机科学 2017-03-06 Long Chen , Wen Tang , Nigel W. John , Tao Ruan Wan , Jian Jun Zhang

In this paper, we consider the problems in the practical application of visual simultaneous localization and mapping (SLAM). With the popularization and application of the technology in wide scope, the practicability of SLAM system has…

计算机视觉与模式识别 · 计算机科学 2022-07-25 BaoSheng Zhang