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The simultaneous localization and mapping (SLAM) problem is considered in three dimensions. The proposed algorithm, differential geometric SLAM (DG-SLAM), employs methods from differential geometry to propagate the state and map estimates.…

机器人学 · 计算机科学 2015-06-02 David Evan Zlotnik , James Richard Forbes

Pose estimation purely based on 3D point-cloud could suffer from degradation, e.g. scan blocks or scans in repetitive environments. To deal with this problem, we propose an approach for fusing 3D spinning LiDAR and IMU to estimate the…

机器人学 · 计算机科学 2017-10-20 Haoyang Ye , Ming Liu

We investigate a scenario where a chaser spacecraft or satellite equipped with a monocular camera navigates in close proximity to a target spacecraft. The satellite's primary objective is to construct a representation of the operational…

机器人学 · 计算机科学 2025-01-22 Lorenzo Ticozzi , Panagiotis Tsiotras

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

We propose visual-inertial simultaneous localization and mapping that tightly couples sparse reprojection errors, inertial measurement unit pre-integrals, and relative pose factors with dense volumetric occupancy mapping. Hereby depth…

机器人学 · 计算机科学 2025-03-10 Jaehyung Jung , Simon Boche , Sebastián Barbas Laina , Stefan Leutenegger

The self-organizing map (SOM) is an unsupervised artificial neural network that is widely used in, e.g., data mining and visualization. Supervised and semi-supervised learning methods have been proposed for the SOM. However, their teacher…

神经与进化计算 · 计算机科学 2020-03-03 Akinari Onishi

This paper implements Simultaneous Localization and Mapping (SLAM) technique to construct a map of a given environment. A Real Time Appearance Based Mapping (RTAB-Map) approach was taken for accomplishing this task. Initially, a 2d…

机器人学 · 计算机科学 2018-09-11 Sagarnil Das

In this paper, we use 2D object detections from multiple views to simultaneously estimate a 3D quadric surface for each object and localize the camera position. We derive a SLAM formulation that uses dual quadrics as 3D landmark…

机器人学 · 计算机科学 2018-08-20 Lachlan Nicholson , Michael Milford , Niko Sünderhauf

In this paper, we present SROM, a novel real-time Simultaneous Localization and Mapping (SLAM) system for autonomous vehicles. The keynote of the paper showcases SROM's ability to maintain localization at low sampling rates or at high…

Visual simultaneous localization and mapping (SLAM) systems face challenges in detecting loop closure under the circumstance of large viewpoint changes. In this paper, we present an object-based loop closure detection method based on the…

计算机视觉与模式识别 · 计算机科学 2023-04-17 Xingwu Ji , Peilin Liu , Haochen Niu , Xiang Chen , Rendong Ying , Fei Wen

Urban navigation using GPS and fish-eye camera suffers from multipath effects in GPS measurements and data association errors in pixel intensities across image frames. We propose a Simultaneous Localization and Mapping (SLAM)-based…

机器人学 · 计算机科学 2019-10-08 Sriramya Bhamidipati , Grace Xingxin Gao

Simultaneous Localization and Mapping (SLAM) system typically employ vision-based sensors to observe the surrounding environment. However, the performance of such systems highly depends on the ambient illumination conditions. In scenarios…

计算机视觉与模式识别 · 计算机科学 2021-11-01 Muhamad Risqi U. Saputra , Chris Xiaoxuan Lu , Pedro P. B. de Gusmao , Bing Wang , Andrew Markham , Niki Trigoni

In this work, we propose a simultaneous localization and mapping (SLAM) system using a monocular camera and Ultra-wideband (UWB) sensors. Our system, referred to as VRSLAM, is a multi-stage framework that leverages the strengths and…

机器人学 · 计算机科学 2023-03-21 Thien Hoang Nguyen , Shenghai Yuan , Lihua Xie

Visual odometry and Simultaneous Localization And Mapping (SLAM) has been studied as one of the most important tasks in the areas of computer vision and robotics, to contribute to autonomous navigation and augmented reality systems. In case…

机器人学 · 计算机科学 2023-11-08 Seongwook Yoon , Jaehyun Kim , Sanghoon Sull

Simultaneous Localization and Mapping, commonly known as SLAM, has been an active research area in the field of Robotics over the past three decades. For solving the SLAM problem, every robot is equipped with either a single sensor or a…

计算机视觉与模式识别 · 计算机科学 2019-04-30 Mubariz Zaffar , Shoaib Ehsan , Rustam Stolkin , Klaus McDonald Maier

Feature-based homography estimation approaches rely on extensive image processing for feature extraction and matching, and do not adequately account for the information provided by the image. Therefore, developing efficient direct…

系统与控制 · 电气工程与系统科学 2024-02-01 Tarek Bouazza , Pieter Van Goor , Robert Mahony , Tarek Hamel

In object-based Simultaneous Localization and Mapping (SLAM), 6D object poses offer a compact representation of landmark geometry useful for downstream planning and manipulation tasks. However, measurement ambiguity then arises as objects…

机器人学 · 计算机科学 2021-08-04 Jiahui Fu , Qiangqiang Huang , Kevin Doherty , Yue Wang , John J. Leonard

Current techniques in Visual Simultaneous Localization and Mapping (VSLAM) estimate camera displacement by comparing image features of consecutive scenes. These algorithms depend on scene continuity, hence requires frequent camera inputs.…

机器人学 · 计算机科学 2024-01-25 Mingyang Li , Yue Ma , Qinru Qiu

Simultaneous Localization and Mapping (SLAM) is considered to be an essential capability for intelligent vehicles and mobile robots. However, most of the current lidar SLAM approaches are based on the assumption of a static environment.…

机器人学 · 计算机科学 2022-06-22 Chenglong Qian , Zhaohong Xiang , Zhuoran Wu , Hongbin Sun

An Inertial Navigation System (INS) is a system that integrates acceleration and angular velocity readings from an Inertial Measurement Unit (IMU), along with other sensors such as Global Navigation Satellite Systems (GNSS) position, GNSS…

系统与控制 · 电气工程与系统科学 2025-05-21 Pieter van Goor , Tarek Hamel , Robert Mahony