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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…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Lisong C. Sun , Neel P. Bhatt , Jonathan C. Liu , Zhiwen Fan , Zhangyang Wang , Todd E. Humphreys , Ufuk Topcu

This survey comprehensively reviews the evolving field of multi-robot collaborative Simultaneous Localization and Mapping (SLAM) using 3D Gaussian Splatting (3DGS). As an explicit scene representation, 3DGS has enabled unprecedented…

Robotics · Computer Science 2025-10-29 Phuc Nguyen Xuan , Thanh Nguyen Canh , Huu-Hung Nguyen , Nak Young Chong , Xiem HoangVan

The emergence of 3D Gaussian Splatting (3DGS) has recently ignited a renewed wave of research in dense visual SLAM. However, existing approaches encounter challenges, including sensitivity to artifacts and noise, suboptimal selection of…

Robotics · Computer Science 2025-08-26 Wancai Zheng , Xinyi Yu , Jintao Rong , Linlin Ou , Yan Wei , Libo Zhou

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

Recent 3D Gaussian Splatting (3DGS) techniques for Visual Simultaneous Localization and Mapping (SLAM) have significantly progressed in tracking and high-fidelity mapping. However, their sequential optimization framework and sensitivity to…

Robotics · Computer Science 2026-02-13 Wancai Zheng , Linlin Ou , Jiajie He , Libo Zhou , Xinyi Yu , Yan Wei

In this paper, we propose a RGB-D SLAM system that reconstructs a language-aligned dense feature field while sustaining low-latency tracking and mapping. First, we introduce a Top-K Rendering pipeline, a high-throughput and…

Robotics · Computer Science 2026-02-10 Seongbo Ha , Sibaek Lee , Kyungsu Kang , Joonyeol Choi , Seungjun Tak , Hyeonwoo Yu

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…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Xu Wang , Boyao Han , Xiaojun Chen , Ying Liu , Ruihui Li

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…

Robotics · Computer Science 2024-12-16 Lizhi Bai , Chunqi Tian , Jun Yang , Siyu Zhang , Masanori Suganuma , Takayuki Okatani

Simultaneous Localization and Mapping (SLAM) is pivotal in robotics, with photorealistic scene reconstruction emerging as a key challenge. To address this, we introduce Computational Alignment for Real-Time Gaussian Splatting SLAM (CaRtGS),…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Dapeng Feng , Zhiqiang Chen , Yizhen Yin , Shipeng Zhong , Yuhua Qi , Hongbo Chen

The 3D Gaussian Splatting (3DGS)-based SLAM system has garnered widespread attention due to its excellent performance in real-time high-fidelity rendering. However, in real-world environments with dynamic objects, existing 3DGS-based SLAM…

Robotics · Computer Science 2025-02-19 Mingrui Li , Weijian Chen , Na Cheng , Jingyuan Xu , Dong Li , Hongyu Wang

3D Gaussian Splatting (3DGS) has recently gained popularity in SLAM applications due to its fast rendering and high-fidelity representation. However, existing 3DGS-SLAM systems have predominantly focused on indoor environments and relied on…

Robotics · Computer Science 2025-08-01 Xiaohan Li , Ziren Gong , Fabio Tosi , Matteo Poggi , Stefano Mattoccia , Dong Liu , Jun Wu

Semantic-aware 3D scene reconstruction is essential for autonomous robots to perform complex interactions. Semantic SLAM, an online approach, integrates pose tracking, geometric reconstruction, and semantic mapping into a unified framework,…

Robotics · Computer Science 2025-05-20 Zuxing Lu , Xin Yuan , Shaowen Yang , Jingyu Liu , Changyin Sun

Recently neural radiance fields (NeRF) have been widely exploited as 3D representations for dense simultaneous localization and mapping (SLAM). Despite their notable successes in surface modeling and novel view synthesis, existing…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Jiarui Hu , Xianhao Chen , Boyin Feng , Guanglin Li , Liangjing Yang , Hujun Bao , Guofeng Zhang , Zhaopeng Cui

Traditional SLAM algorithms excel at camera tracking, but typically produce incomplete and low-resolution maps that are not tightly integrated with semantics prediction. Recent work integrates Gaussian Splatting (GS) into SLAM to enable…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Mingqi Jiang , Chanho Kim , Chen Ziwen , Li Fuxin

Neural implicit scene representations have recently shown promising results in dense visual SLAM. However, existing implicit SLAM algorithms are constrained to single-agent scenarios, and fall difficulties in large-scale scenes and long…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Tianchen Deng , Guole Shen , Xun Chen , Shenghai Yuan , Hongming Shen , Guohao Peng , Zhenyu Wu , Jingchuan Wang , Lihua Xie , Danwei Wang , Hesheng Wang , Weidong Chen

Achieving high-fidelity 3D reconstruction from monocular video remains challenging due to the inherent limitations of traditional methods like Structure-from-Motion (SfM) and monocular SLAM in accurately capturing scene details. While…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Yue Hu , Rong Liu , Meida Chen , Peter Beerel , Andrew Feng

Combining 3D Gaussian splatting with Simultaneous Localization and Mapping (SLAM) has gained popularity as it enables continuous 3D environment reconstruction during motion. However, existing methods struggle in dynamic environments,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Yangfan Zhao , Hanwei Zhang , Ke Huang , Qiufeng Wang , Zhenzhou Shao , Dengyu Wu

3D Gaussian Splatting (3DGS) has shown promising results for 3D scene modeling using mixtures of Gaussians, yet its existing simultaneous localization and mapping (SLAM) variants typically rely on direct, deterministic pose optimization…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Yuhan Zhu , Yanyu Zhang , Jie Xu , Wei Ren

We present a real-time tracking SLAM system that unifies efficient camera tracking with photorealistic feature-enriched mapping using 3D Gaussian Splatting (3DGS). Our main contribution is integrating dense feature rasterization into the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Christopher Thirgood , Oscar Mendez , Erin Ling , Jon Storey , Simon Hadfield

Gaussian Splatting SLAM (GS-SLAM) offers a notable improvement over traditional SLAM methods, enabling photorealistic 3D reconstruction that conventional approaches often struggle to achieve. However, existing GS-SLAM systems perform poorly…

Robotics · Computer Science 2025-08-12 Siyu Chen , Shenghai Yuan , Thien-Minh Nguyen , Zhuyu Huang , Chenyang Shi , Jin Jing , Lihua Xie