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We propose a novel approach for fast and accurate stereo visual Simultaneous Localization and Mapping (SLAM) independent of feature detection and matching. We extend monocular Direct Sparse Odometry (DSO) to a stereo system by optimizing…

机器人学 · 计算机科学 2021-12-06 Jiawei Mo , Md Jahidul Islam , Junaed Sattar

Traditional approaches for Visual Simultaneous Localization and Mapping (VSLAM) rely on low-level vision information for state estimation, such as handcrafted local features or the image gradient. While significant progress has been made…

机器人学 · 计算机科学 2021-08-05 Huaiyang Huang , Haoyang Ye , Yuxiang Sun , Lujia Wang , Ming Liu

Visual SLAM (Simultaneous Localization and Mapping) methods typically rely on handcrafted visual features or raw RGB values for establishing correspondences between images. These features, while suitable for sparse mapping, often lead to…

计算机视觉与模式识别 · 计算机科学 2018-11-21 Chamara Saroj Weerasekera , Ravi Garg , Yasir Latif , Ian Reid

We present an on-line 3D visual object tracking framework for monocular cameras by incorporating spatial knowledge and uncertainty from semantic mapping along with high frequency measurements from visual odometry. Using a combination of…

计算机视觉与模式识别 · 计算机科学 2016-03-15 Prateek Singhal , Ruffin White , Henrik Christensen

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…

机器人学 · 计算机科学 2025-03-13 Bingzheng Jiang , Jiayuan Wang , Han Ding , Lijun Zhu

We present SLAIM - Simultaneous Localization and Implicit Mapping. We propose a novel coarse-to-fine tracking model tailored for Neural Radiance Field SLAM (NeRF-SLAM) to achieve state-of-the-art tracking performance. Notably, existing…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Vincent Cartillier , Grant Schindler , Irfan Essa

A spatial AI that can perform complex tasks through visual signals and cooperate with humans is highly anticipated. To achieve this, we need a visual SLAM that easily adapts to new scenes without pre-training and generates dense maps for…

Simultaneous Localization and Mapping (SLAM) systems are fundamental building blocks for any autonomous robot navigating in unknown environments. The SLAM implementation heavily depends on the sensor modality employed on the mobile…

机器人学 · 计算机科学 2022-03-25 Luca Di Giammarino , Leonardo Brizi , Tiziano Guadagnino , Cyrill Stachniss , Giorgio Grisetti

Visually impaired people usually find it hard to travel independently in many public places such as airports and shopping malls due to the problems of obstacle avoidance and guidance to the desired location. Therefore, in the highly dynamic…

机器人学 · 计算机科学 2022-12-14 Yanbaihui Liu

Due to budgetary constraints, indoor navigation typically employs 2D LiDAR rather than 3D LiDAR. However, the utilization of 2D LiDAR in Simultaneous Localization And Mapping (SLAM) frequently encounters challenges related to motion…

机器人学 · 计算机科学 2024-04-24 Bin Zhang , Zexin Peng , Bi Zeng , Junjie Lu

Bundle adjustment plays a vital role in feature-based monocular SLAM. In many modern SLAM pipelines, bundle adjustment is performed to estimate the 6DOF camera trajectory and 3D map (3D point cloud) from the input feature tracks. However,…

计算机视觉与模式识别 · 计算机科学 2020-02-24 Álvaro Parra , Tat-Jun Chin , Anders Eriksson , Ian Reid

Structured Light Illumination (SLI) systems have been used for reliable indoor dense 3D scanning via phase triangulation. However, mobile SLI systems for 360 degree 3D reconstruction demand 3D point cloud registration, involving high…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Xi Zheng , Rui Ma , Rui Gao , Qi Hao

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…

机器人学 · 计算机科学 2026-02-26 Xiangqi Meng , Pengxu Hou , Zhenjun Zhao , Javier Civera , Daniel Cremers , Hesheng Wang , Haoang Li

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…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Juan J. Gomez Rodriguez , J. M. M Montiel , Juan D. Tardos

Simultaneous localization and mapping (SLAM) is an essential component of robotic systems. In this work we perform a feasibility study of RGB-D SLAM for the task of indoor robot navigation. Recent visual SLAM methods, e.g. ORBSLAM2…

计算机视觉与模式识别 · 计算机科学 2019-10-14 David Prokhorov , Dmitry Zhukov , Olga Barinova , Anna Vorontsova , Anton Konushin

LiDAR odometry can achieve accurate vehicle pose estimation for short driving range or in small-scale environments, but for long driving range or in large-scale environments, the accuracy deteriorates as a result of cumulative estimation…

机器人学 · 计算机科学 2023-03-16 Lizhou Liao , Chunyun Fu , Binbin Feng , Tian Su

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…

机器人学 · 计算机科学 2025-10-06 Xu Liu , Jiuzhou Lei , Ankit Prabhu , Yuezhan Tao , Igor Spasojevic , Pratik Chaudhari , Nikolay Atanasov , Vijay Kumar

To achieve collaborative tasks, robots in a team need to have a shared understanding of the environment and their location within it. Distributed Simultaneous Localization and Mapping (SLAM) offers a practical solution to localize the…

机器人学 · 计算机科学 2021-08-20 Pierre-Yves Lajoie , Benjamin Ramtoula , Yun Chang , Luca Carlone , Giovanni Beltrame

Monocular simultaneous localisation and mapping (SLAM) is a cheap and energy efficient way to enable Unmanned Aerial Vehicles (UAVs) to safely navigate managed forests and gather data crucial for monitoring tree health. SLAM research,…

计算机视觉与模式识别 · 计算机科学 2019-07-08 James Garforth , Barbara Webb

The application of monocular dense Simultaneous Localization and Mapping (SLAM) is often hindered by high latency, large GPU memory consumption, and reliance on camera calibration. To relax this constraint, we propose EC3R-SLAM, a novel…

机器人学 · 计算机科学 2025-10-03 Lingxiang Hu , Naima Ait Oufroukh , Fabien Bonardi , Raymond Ghandour