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Existing solutions to visual simultaneous localization and mapping (V-SLAM) assume that errors in feature extraction and matching are independent and identically distributed (i.i.d), but this assumption is known to not be true -- features…

Computer Vision and Pattern Recognition · Computer Science 2020-11-20 Sadegh Rabiee , Joydeep Biswas

In dynamic scenes, both localization and mapping in visual SLAM face significant challenges. In recent years, numerous outstanding research works have proposed effective solutions for the localization problem. However, there has been a…

Robotics · Computer Science 2023-09-25 Xinggang Hu

3D Gaussian Splatting has recently shown promising results in dense visual SLAM. However, existing 3DGS-based SLAM methods are all constrained to small-room scenarios and struggle with memory explosion in large-scale scenes and long…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Tianchen Deng , Wenhua Wu , Junjie He , Yue Pan , Shenghai Yuan , Danwei Wang , Hesheng Wang

The bundle of geometry and appearance in computer vision has proven to be a promising solution for robots across a wide variety of applications. Stereo cameras and RGB-D sensors are widely used to realise fast 3D reconstruction and…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Xuanpeng Li , Rachid Belaroussi

In addition to the core tasks of simultaneous localization and mapping (SLAM), active SLAM additionally in- volves generating robot actions that enable effective and efficient exploration of unknown environments. However, existing active…

Robotics · Computer Science 2026-02-26 Xiangqi Meng , Pengxu Hou , Zhenjun Zhao , Javier Civera , Daniel Cremers , Hesheng Wang , Haoang Li

Three-dimensional (3D) point clouds are important data representations in visualization applications. The rapidly growing utility and popularity of point cloud processing strongly motivate a plethora of research activities on large-scale…

Signal Processing · Electrical Eng. & Systems 2021-11-24 Qinwen Deng , Songyang Zhang , Zhi Ding

Visual understanding of 3D environments in real-time, at low power, is a huge computational challenge. Often referred to as SLAM (Simultaneous Localisation and Mapping), it is central to applications spanning domestic and industrial…

Visual Simultaneous Localization and Mapping (VSLAM) research faces significant challenges due to fragmented toolchains, complex system configurations, and inconsistent evaluation methodologies. To address these issues, we present…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Alejandro Fontan , Tobias Fischer , Javier Civera , Michael Milford

High quality upsampling of sparse 3D point clouds is critically useful for a wide range of geometric operations such as reconstruction, rendering, meshing, and analysis. In this paper, we propose a data-driven algorithm that enables an…

Computer Vision and Pattern Recognition · Computer Science 2019-06-24 Wentai Zhang , Haoliang Jiang , Zhangsihao Yang , Soji Yamakawa , Kenji Shimada , Levent Burak Kara

The reconstruction of real-world surfaces is on high demand in various applications. Most existing reconstruction approaches apply 3D scanners for creating point clouds which are generally sparse and of low density. These points clouds will…

Computer Vision and Pattern Recognition · Computer Science 2021-03-01 Rajat Sharma , Tobias Schwandt , Christian Kunert , Steffen Urban , Wolfgang Broll

In recent years new application areas have emerged in which one aims to capture the geometry of objects by means of three-dimensional point clouds. Often the obtained data consist of a dense sampling of the object's surface, containing many…

Numerical Analysis · Mathematics 2019-10-01 Daniel Tenbrinck , Fjedor Gaede , Martin Burger

We propose a dense neural simultaneous localization and mapping (SLAM) approach for monocular RGBD input which anchors the features of a neural scene representation in a point cloud that is iteratively generated in an input-dependent…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Erik Sandström , Yue Li , Luc Van Gool , Martin R. Oswald

In this work, to facilitate the real-time processing of multi-scan registration error minimization on factor graphs, we devise a point cloud downsampling algorithm based on coreset extraction. This algorithm extracts a subset of the…

Robotics · Computer Science 2025-05-05 Kenji Koide , Aoki Takanose , Shuji Oishi , Masashi Yokozuka

The integration of neural rendering and the SLAM system recently showed promising results in joint localization and photorealistic view reconstruction. However, existing methods, fully relying on implicit representations, are so…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Huajian Huang , Longwei Li , Hui Cheng , Sai-Kit Yeung

This paper presents a semantic planar SLAM system that improves pose estimation and mapping using cues from an instance planar segmentation network. While the mainstream approaches are using RGB-D sensors, employing a monocular camera with…

Computer Vision and Pattern Recognition · Computer Science 2022-06-23 Fangwen Shu , Yaxu Xie , Jason Rambach , Alain Pagani , Didier Stricker

Exploration is an important step in autonomous navigation of robotic systems. In this paper we introduce a series of enhancements for exploration algorithms in order to use them with vision-based simultaneous localization and mapping…

Robotics · Computer Science 2021-10-19 Kirill Muravyev , Andrey Bokovoy , Konstantin Yakovlev

This study proposes a privacy-preserving Visual SLAM framework for estimating camera poses and performing bundle adjustment with mixed line and point clouds in real time. Previous studies have proposed localization methods to estimate a…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Mikiya Shibuya , Shinya Sumikura , Ken Sakurada

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…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Runfa Blark Li , Mahdi Shaghaghi , Keito Suzuki , Xinshuang Liu , Varun Moparthi , Bang Du , Walker Curtis , Martin Renschler , Ki Myung Brian Lee , Nikolay Atanasov , Truong Nguyen

Object-level Simultaneous Localization and Mapping (SLAM), which incorporates semantic information for high-level scene understanding, faces challenges of under-constrained optimization due to sparse observations. Prior work has introduced…

Robotics · Computer Science 2025-09-29 Yang Jiao , Yiding Qiu , Henrik I. Christensen

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…

Computer Vision and Pattern Recognition · Computer Science 2023-11-15 Jiarui Hu , Mao Mao , Hujun Bao , Guofeng Zhang , Zhaopeng Cui