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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

In this paper, we proposed a new deep learning based dense monocular SLAM method. Compared to existing methods, the proposed framework constructs a dense 3D model via a sparse to dense mapping using learned surface normals. With single view…

Robotics · Computer Science 2019-03-25 Jiexiong Tang , John Folkesson , Patric Jensfelt

Monocular simultaneous localization and mapping (SLAM) algorithms estimate drone poses and build a 3D map using a single camera. Current algorithms include sparse methods that lack detailed geometry, while learning-driven approaches produce…

Robotics · Computer Science 2025-11-25 Jeryes Danial , Yosi Ben Asher , Itzik Klein

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…

Robotics · Computer Science 2023-12-18 Wei Zhang , Tiecheng Sun , Sen Wang , Qing Cheng , Norbert Haala

Monocular SLAM has received a lot of attention due to its simple RGB inputs and the lifting of complex sensor constraints. However, existing monocular SLAM systems are designed for bounded scenes, restricting the applicability of SLAM…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Heng Zhou , Zhetao Guo , Shuhong Liu , Lechen Zhang , Qihao Wang , Yuxiang Ren , Mingrui Li

Underwater monocular SLAM is a challenging problem with applications from autonomous underwater vehicles to marine archaeology. However, existing underwater SLAM methods struggle to produce maps with high-fidelity rendering. In this paper,…

Robotics · Computer Science 2026-04-07 Kangxu Wang , Shaofeng Zou , Chenxing Jiang , Yixiang Dai , Siang Chen , Shaojie Shen , Guijin Wang

This paper presents a robust monocular visual SLAM system that simultaneously utilizes point, line, and vanishing point features for accurate camera pose estimation and mapping. To address the critical challenge of achieving reliable…

Robotics · Computer Science 2025-03-13 Bingzheng Jiang , Jiayuan Wang , Han Ding , Lijun Zhu

Monocular SLAM algorithms perform robustly when observing rigid scenes, however, they fail when the observed scene deforms, for example, in medical endoscopy applications. We present DefSLAM, the first monocular SLAM capable of operating in…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Jose Lamarca , Shaifali Parashar , Adrien Bartoli , J. M. M. Montiel

Monocular visual odometry is a key technology in various autonomous systems. Traditional feature-based methods suffer from failures due to poor lighting, insufficient texture, and large motions. In contrast, recent learning-based dense SLAM…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Takayuki Kanai , Igor Vasiljevic , Vitor Guizilini , Kazuhiro Shintani

We present a real-time object-based SLAM system that leverages the largest object database to date. Our approach comprises two main components: 1) a monocular SLAM algorithm that exploits object rigidity constraints to improve the map and…

Robotics · Computer Science 2015-04-10 Dorian Gálvez-López , Marta Salas , Juan D. Tardós , J. M. M. Montiel

We present the first application of 3D Gaussian Splatting in monocular SLAM, the most fundamental but the hardest setup for Visual SLAM. Our method, which runs live at 3fps, utilises Gaussians as the only 3D representation, unifying the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Hidenobu Matsuki , Riku Murai , Paul H. J. Kelly , Andrew J. Davison

This paper addresses the problem of scale estimation in monocular SLAM by estimating absolute distances between camera centers of consecutive image frames. These estimates would improve the overall performance of classical (not deep) SLAM…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Danila Rukhovich , Daniel Mouritzen , Ralf Kaestner , Martin Rufli , Alexander Velizhev

Object SLAM uses additional semantic information to detect and map objects in the scene, in order to improve the system's perception and map representation capabilities. Quadrics and cubes are often used to represent objects, but their…

Robotics · Computer Science 2022-09-23 Xiao Han , Lu Yang

In endoscopy, many applications (e.g., surgical navigation) would benefit from a real-time method that can simultaneously track the endoscope and reconstruct the dense 3D geometry of the observed anatomy from a monocular endoscopic video.…

Computer Vision and Pattern Recognition · Computer Science 2022-02-23 Xingtong Liu , Zhaoshuo Li , Masaru Ishii , Gregory D. Hager , Russell H. Taylor , Mathias Unberath

This letter introduces a novel framework for dense Visual Simultaneous Localization and Mapping (VSLAM) based on Gaussian Splatting. Recently, SLAM based on Gaussian Splatting has shown promising results. However, in monocular scenarios,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Pengcheng Zhu , Yaoming Zhuang , Baoquan Chen , Li Li , Chengdong Wu , Zhanlin Liu

The majority of approaches for acquiring dense 3D environment maps with RGB-D cameras assumes static environments or rejects moving objects as outliers. The representation and tracking of moving objects, however, has significant potential…

Computer Vision and Pattern Recognition · Computer Science 2021-12-13 Michael Strecke , Jörg Stückler

Real-time SLAM with dense 3D mapping is computationally challenging, especially on resource-limited devices. The recent development of 3D Gaussian Splatting (3DGS) offers a promising approach for real-time dense 3D reconstruction. However,…

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

This paper demonstrates a system capable of combining a sparse, indirect, monocular visual SLAM, with both offline and real-time Multi-View Stereo (MVS) reconstruction algorithms. This combination overcomes many obstacles encountered by…

Computer Vision and Pattern Recognition · Computer Science 2020-11-09 Fangwen Shu , Paul Lesur , Yaxu Xie , Alain Pagani , Didier Stricker

Monocular SLAM in deformable scenes will open the way to multiple medical applications like computer-assisted navigation in endoscopy, automatic drug delivery or autonomous robotic surgery. In this paper we propose a novel method to…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Juan J. Gomez Rodriguez , J. M. M Montiel , Juan D. Tardos