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Simultaneous Localization and Mapping (SLAM) is an essential component of autonomous robotic applications and self-driving vehicles, enabling them to understand and operate in their environment. Many SLAM systems have been proposed in the…

Robotics · Computer Science 2025-01-14 Lorenzo Montano-Oliván , Julio A. Placed , Luis Montano , María T. Lázaro

Many monocular visual SLAM algorithms are derived from incremental structure-from-motion (SfM) methods. This work proposes a novel monocular SLAM method which integrates recent advances made in global SfM. In particular, we present two main…

Computer Vision and Pattern Recognition · Computer Science 2017-10-20 Chengzhou Tang , Oliver Wang , Ping Tan

In this paper, we present a system for incrementally reconstructing a dense 3D model of the geometry of an outdoor environment using a single monocular camera attached to a moving vehicle. Dense models provide a rich representation of the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Louis Gallagher , Varun Ravi Kumar , Senthil Yogamani , John B. McDonald

Traditional monocular Visual Simultaneous Localization and Mapping (vSLAM) systems can be divided into three categories: those that use features, those that rely on the image itself, and hybrid models. In the case of feature-based methods,…

Robotics · Computer Science 2022-10-31 Andreas Georgis , Panagiotis Mermigkas , Petros Maragos

In this paper we present an extension of Direct Sparse Odometry (DSO) to a monocular visual SLAM system with loop closure detection and pose-graph optimization (LDSO). As a direct technique, DSO can utilize any image pixel with sufficient…

Computer Vision and Pattern Recognition · Computer Science 2018-08-06 Xiang Gao , Rui Wang , Nikolaus Demmel , Daniel Cremers

SLAM systems based on Gaussian Splatting have garnered attention due to their capabilities for rapid real-time rendering and high-fidelity mapping. However, current Gaussian Splatting SLAM systems usually struggle with large scene…

Robotics · Computer Science 2025-04-25 Jingwei Huang , Mingrui Li , Lei Sun , Aaron Xuxiang Tian , Tianchen Deng , Hongyu Wang

Monocular visual simultaneous localization and mapping (V-SLAM) is nowadays an irreplaceable tool in mobile robotics and augmented reality, where it performs robustly. However, human colonoscopies pose formidable challenges like occlusions,…

Robotics · Computer Science 2024-05-28 Richard Elvira , Juan D. Tardós , José M. M. Montiel

Monocular simultaneous localization and mapping (SLAM) is emerging in advanced driver assistance systems and autonomous driving, because a single camera is cheap and easy to install. Conventional monocular SLAM has two major challenges…

Computer Vision and Pattern Recognition · Computer Science 2022-12-16 Jinkyu Lee , Muhyun Back , Sung Soo Hwang , Il Yong Chun

Loop closure detection plays an important role in reducing localization drift in Simultaneous Localization And Mapping (SLAM). It aims to find repetitive scenes from historical data to reset localization. To tackle the loop closure problem,…

Computer Vision and Pattern Recognition · Computer Science 2021-02-09 Han Wang , Juncheng Li , Maopeng Ran , Lihua Xie

We propose a novel visual SLAM method that integrates text objects tightly by treating them as semantic features via fully exploring their geometric and semantic prior. The text object is modeled as a texture-rich planar patch whose…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Boying Li , Danping Zou , Yuan Huang , Xinghan Niu , Ling Pei , Wenxian Yu

Visual SLAM has regained attention due to its ability to provide perceptual capabilities and simulation test data for Embodied AI. However, traditional SLAM methods struggle to meet the demands of high-quality scene reconstruction, and…

Robotics · Computer Science 2025-09-03 Fan Zhu , Yifan Zhao , Ziyu Chen , Biao Yu , Hui Zhu

This paper reports on a robust RGB-D SLAM system that performs well in scarcely textured and structured environments. We present a novel keyframe-based continuous visual odometry that builds on the recently developed continuous sensor…

Robotics · Computer Science 2019-12-04 Xi Lin , Dingyi Sun , Tzu-Yuan Lin , Ryan M. Eustice , Maani Ghaffari

Building large-scale, globally consistent maps is a challenging problem, made more difficult in environments with limited access, sparse features, or when using data collected by novice users. For such scenarios, where state-of-the-art…

Human-Computer Interaction · Computer Science 2017-11-27 Samer B. Nashed , Joydeep Biswas

Robots responsible for tasks over long time scales must be able to localize consistently and scalably amid geometric, viewpoint, and appearance changes. Existing visual SLAM approaches rely on low-level feature descriptors that are not…

Robotics · Computer Science 2023-10-24 Amanda Adkins , Taijing Chen , Joydeep Biswas

This work presents an extension of graph-based SLAM methods to exploit the potential of 3D laser scans for loop detection. Every high-dimensional point cloud is replaced by a compact global descriptor, whereby a trained detector decides…

Robotics · Computer Science 2022-07-12 Tim-Lukas Habich , Marvin Stuede , Mathieu Labbé , Svenja Spindeldreier

While visual SLAM systems are well studied and achieve impressive results in indoor and urban settings, natural, outdoor and open-field environments are much less explored and still present relevant research challenges. Visual navigation…

Robotics · Computer Science 2024-09-02 Nicolás Soncini , Javier Civera , Taihú Pire

This paper develops a real-time decentralized metric-semantic SLAM algorithm that enables a heterogeneous robot team to collaboratively construct object-based metric-semantic maps. The proposed framework integrates a data-driven front-end…

This paper presents the first photo-realistic LiDAR-Inertial-Camera Gaussian Splatting SLAM system that simultaneously addresses visual quality, geometric accuracy, and real-time performance. The proposed method performs robust and accurate…

Robotics · Computer Science 2025-07-10 Xiaolei Lang , Jiajun Lv , Kai Tang , Laijian Li , Jianxin Huang , Lina Liu , Yong Liu , Xingxing Zuo

Simultaneous localization and mapping, as a fundamental task in computer vision, has gained higher demands for performance in recent years due to the rapid development of autonomous driving and unmanned aerial vehicles. Traditional SLAM…

Robotics · Computer Science 2023-10-23 Zhihe Zhang , Hao Wei , Hongtao Nie

Autonomous robots in orchards require real-time 3D scene understanding despite repetitive row geometry, seasonal appearance changes, and wind-driven foliage motion. We present AgriGS-SLAM, a Visual--LiDAR SLAM framework that couples direct…

Robotics · Computer Science 2025-10-31 Mirko Usuelli , David Rapado-Rincon , Gert Kootstra , Matteo Matteucci