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3D Gaussian splatting has emerged as an expressive scene representation for RGB-D visual SLAM, but its application to large-scale, multi-agent outdoor environments remains unexplored. Multi-agent Gaussian SLAM is a promising approach to…

Robotics · Computer Science 2025-06-24 Annika Thomas , Aneesa Sonawalla , Alex Rose , Jonathan P. How

Visual SLAM is essential for mobile robots, drone navigation, and VR/AR, but traditional RGB camera systems struggle in low-light conditions, driving interest in thermal SLAM, which excels in such environments. However, thermal imaging…

Robotics · Computer Science 2025-02-27 Yangfan Xu , Qu Hao , Lilian Zhang , Jun Mao , Xiaofeng He , Wenqi Wu , Changhao Chen

We propose GauS-SLAM, a dense RGB-D SLAM system that leverages 2D Gaussian surfels to achieve robust tracking and high-fidelity mapping. Our investigations reveal that Gaussian-based scene representations exhibit geometry distortion under…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Yongxin Su , Lin Chen , Kaiting Zhang , Zhongliang Zhao , Chenfeng Hou , Ziping Yu

We present an uncertainty learning framework for dense neural simultaneous localization and mapping (SLAM). Estimating pixel-wise uncertainties for the depth input of dense SLAM methods allows re-weighing the tracking and mapping losses…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Erik Sandström , Kevin Ta , Luc Van Gool , Martin R. Oswald

It is well known that visual SLAM systems based on dense matching are locally accurate but are also susceptible to long-term drift and map corruption. In contrast, feature matching methods can achieve greater long-term consistency but can…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Xingrui Yang , Yuhang Ming , Zhaopeng Cui , Andrew Calway

Real-time simultaneously localization and dense mapping is very helpful for providing Virtual Reality and Augmented Reality for surgeons or even surgical robots. In this paper, we propose MIS-SLAM: a complete real-time large scale dense…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Jingwei Song , Jun Wang , Liang Zhao , Shoudong Huang , Gamini Dissanayake

In this paper, we present RKD-SLAM, a robust keyframe-based dense SLAM approach for an RGB-D camera that can robustly handle fast motion and dense loop closure, and run without time limitation in a moderate size scene. It not only can be…

Computer Vision and Pattern Recognition · Computer Science 2017-11-15 Haomin Liu , Chen Li , Guojun Chen , Guofeng Zhang , Michael Kaess , Hujun Bao

Visual SLAM algorithms achieve significant improvements through the exploration of 3D Gaussian Splatting (3DGS) representations, particularly in generating high-fidelity dense maps. However, they depend on a static environment assumption…

Robotics · Computer Science 2026-04-15 Yi Liu , Haoxuan Xu , Hongbo Duan , Keyu Fan , Zhengyang Zhang , Peiyu Zhuang , Pengting Luo , Houde Liu

We present a novel neural RGB-D Simultaneous Localization And Mapping (SLAM) system that learns an implicit map of the scene in real time. For the first time, we explore the use of Scene Coordinate Regression (SCR) as the core implicit map…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Ignacio Alzugaray , Marwan Taher , Andrew J. Davison

Recent advances in 3D Gaussian Splatting (3DGS) have enabled Simultaneous Localization and Mapping (SLAM) systems to build photorealistic maps. However, these maps lack the open-vocabulary semantic understanding required for advanced…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Sibaek Lee , Seongbo Ha , Kyeongsu Kang , Joonyeol Choi , Seungjun Tak , Hyeonwoo Yu

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…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Weifeng Wei , Jie Wang , Shuqi Deng , Jie Liu

Neural implicit fields have recently emerged as a powerful representation method for multi-view surface reconstruction due to their simplicity and state-of-the-art performance. However, reconstructing thin structures of indoor scenes while…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Shaoxiang Wang , Yaxu Xie , Chun-Peng Chang , Christen Millerdurai , Alain Pagani , Didier Stricker

Dense simultaneous localization and mapping (SLAM) is crucial for robotics and augmented reality applications. However, current methods are often hampered by the non-volumetric or implicit way they represent a scene. This work introduces…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Nikhil Keetha , Jay Karhade , Krishna Murthy Jatavallabhula , Gengshan Yang , Sebastian Scherer , Deva Ramanan , Jonathon Luiten

We propose GSO-SLAM, a real-time monocular dense SLAM system that leverages Gaussian scene representation. Unlike existing methods that couple tracking and mapping with a unified scene, incurring computational costs, or loosely integrate…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Jiung Yeon , Seongbo Ha , Hyeonwoo Yu

We propose NEDS-SLAM, a dense semantic SLAM system based on 3D Gaussian representation, that enables robust 3D semantic mapping, accurate camera tracking, and high-quality rendering in real-time. In the system, we propose a Spatially…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Yiming Ji , Yang Liu , Guanghu Xie , Boyu Ma , Zongwu Xie

(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…

Robotics · Computer Science 2025-10-31 Tian Yi Lim , Boyang Sun , Marc Pollefeys , Hermann Blum

3D gaussian splatting has advanced simultaneous localization and mapping (SLAM) technology by enabling real-time positioning and the construction of high-fidelity maps. However, the uncertainty in gaussian position and initialization…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Yansong Xu , Junlin Li , Wei Zhang , Siyu Chen , Shengyong Zhang , Yuquan Leng , Weijia Zhou

Simultaneous Localization and Mapping (SLAM) have made the real-time dense reconstruction possible increasing the prospects of navigation, tracking, and augmented reality problems. Some breakthroughs have been achieved in this regard during…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Redhwan Jamiruddin , Ali Osman Sari , Jahanzaib Shabbir , Tarique Anwer

In this paper we present NR-SLAM, a novel non-rigid monocular SLAM system founded on the combination of a Dynamic Deformation Graph with a Visco-Elastic deformation model. The former enables our system to represent the dynamics of the…

Robotics · Computer Science 2023-08-09 Juan J. Gomez Rodriguez , J. M. M Montiel , Juan D. Tardos

Visual SLAM algorithms have been enhanced through the exploration of Gaussian Splatting representations, particularly in generating high-fidelity dense maps. While existing methods perform reliably in static environments, they often…

Robotics · Computer Science 2025-09-03 Yi Liu , Keyu Fan , Bin Lan , Houde Liu