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相关论文: Loosely-Coupled Semi-Direct Monocular SLAM

200 篇论文

Robust and accurate localization in challenging environments is becoming crucial for SLAM. In this paper, we propose a unique sensor configuration for precise and robust odometry by integrating chip radar and a legged robot. Specifically,…

机器人学 · 计算机科学 2024-07-11 Sangwoo Jung , Wooseong Yang , Ayoung Kim

We tackle the problem of localizing an autonomous sea-surface vehicle in river estuarine areas using monocular camera and angular velocity input from an inertial sensor. Our method is challenged by two prominent drawbacks associated with…

计算机视觉与模式识别 · 计算机科学 2017-07-20 George Terzakis , Riccardo Polvara , Sanjay Sharma , Phil Culverhouse , Robert Sutton

In this paper, we cover the process of integrating Large-Scale Direct Simultaneous Localization and Mapping (LSD-SLAM) algorithm into our existing AR stereo engine, developed for our modified "Augmented Reality Oculus Rift". With that, we…

计算机视觉与模式识别 · 计算机科学 2017-02-09 Markus Höll , Vincent Lepetit

This paper proposes a novel visual simultaneous localization and mapping (SLAM) system called Hybrid Depth-augmented Panoramic Visual SLAM (HDPV-SLAM), that employs a panoramic camera and a tilted multi-beam LiDAR scanner to generate…

We present a real-time feature-based SLAM (Simultaneous Localization and Mapping) system for fisheye cameras featured by a large field-of-view (FoV). Large FoV cameras are beneficial for large-scale outdoor SLAM applications, because they…

机器人学 · 计算机科学 2019-02-28 Yahui Wang , Shaojun Cai , Shi-Jie Li , Yun Liu , Yangyan Guo , Tao Li , Ming-Ming Cheng

Precise and real-time rail vehicle localization as well as railway environment monitoring is crucial for railroad safety. In this letter, we propose a multi-LiDAR based simultaneous localization and mapping (SLAM) system for railway…

机器人学 · 计算机科学 2021-12-28 Yusheng Wang , Weiwei Song , Yidong Lou , Fei Huang , Zhiyong Tu , Shimin Zhang

In this work, we present Voxel-SLAM: a complete, accurate, and versatile LiDAR-inertial SLAM system that fully utilizes short-term, mid-term, long-term, and multi-map data associations to achieve real-time estimation and high precision…

机器人学 · 计算机科学 2024-10-14 Zheng Liu , Haotian Li , Chongjian Yuan , Xiyuan Liu , Jiarong Lin , Rundong Li , Chunran Zheng , Bingyang Zhou , Wenyi Liu , Fu Zhang

Despite the number of works published in recent years, vehicle localization remains an open, challenging problem. While map-based localization and SLAM algorithms are getting better and better, they remain a single point of failure in…

机器人学 · 计算机科学 2024-03-21 Luca Mozzarelli , Luca Cattaneo , Matteo Corno , Sergio Matteo Savaresi

Obtaining dense 3D reconstrution with low computational cost is one of the important goals in the field of SLAM. In this paper we propose a dense 3D reconstruction framework from monocular multispectral video sequences using jointly…

计算机视觉与模式识别 · 计算机科学 2018-07-09 Yuanhong Xu , Pei Dong , Junyu Dong , Lin Qi

LiDAR odometry is one of the essential parts of LiDAR simultaneous localization and mapping (SLAM). However, existing LiDAR odometry tends to match a new scan simply iteratively with previous fixed-pose scans, gradually accumulating errors.…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Letian Zhang , Jinping Wang , Lu Jie , Nanjie Chen , Xiaojun Tan , Zhifei Duan

A local Bundle Adjustment (BA) on a sliding window of keyframes has been widely used in visual SLAM and proved to be very effective in lowering the drift. But in lidar SLAM, BA method is hardly used because the sparse feature points (e.g.,…

机器人学 · 计算机科学 2021-01-14 Zheng Liu , Fu Zhang

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

Visual Simultaneous Localization and Mapping (SLAM) plays a crucial role in autonomous systems. Traditional SLAM methods, based on static environment assumptions, struggle to handle complex dynamic environments. Recent dynamic SLAM systems…

机器人学 · 计算机科学 2025-09-04 Haolan Zhang , Thanh Nguyen Canh , Chenghao Li , Ruidong Yang , Yonghoon Ji , Nak Young Chong

A geometric nonlinear observer algorithm for Simultaneous Localization and Mapping (SLAM) developed on the Lie group of \mathbb{SLAM}_{n}\left(3\right) is proposed. The presented novel solution estimates the vehicle's pose (i.e. attitude…

系统与控制 · 电气工程与系统科学 2020-09-25 Hashim A. Hashim

Initialization is essential to monocular Simultaneous Localization and Mapping (SLAM) problems. This paper focuses on a novel initialization method for monocular SLAM based on planar features. The algorithm starts by homography estimation…

机器人学 · 计算机科学 2020-05-26 Sicong Du , Hengkai Guo , Yao Chen , Yilun Lin , Xiangbing Meng , Linfu Wen , Fei-Yue Wang

We present a method for single image 3D cuboid object detection and multi-view object SLAM in both static and dynamic environments, and demonstrate that the two parts can improve each other. Firstly for single image object detection, we…

机器人学 · 计算机科学 2019-04-08 Shichao Yang , Sebastian Scherer

In complex environments, low-cost and robust localization is a challenging problem. For example, in a GPSdenied environment, LiDAR can provide accurate position information, but the cost is high. In general, visual SLAM based localization…

计算机视觉与模式识别 · 计算机科学 2019-12-12 Dong Han , Zuhao Zou , Lujia Wang , Cheng-Zhong Xu

Simultaneous Localization and Mapping (SLAM) is one of the key robotics tasks as it tackles simultaneous mapping of the unknown environment defined by multiple landmark positions and localization of the unknown pose (i.e., attitude and…

系统与控制 · 电气工程与系统科学 2021-02-12 Hashim A. Hashim

Many applications of Visual SLAM, such as augmented reality, virtual reality, robotics or autonomous driving, require versatile, robust and precise solutions, most often with real-time capability. In this work, we describe OV$^{2}$SLAM, a…

计算机视觉与模式识别 · 计算机科学 2021-02-09 Maxime Ferrera , Alexandre Eudes , Julien Moras , Martial Sanfourche , Guy Le Besnerais

Accurate 3D point cloud map generation is a core task for various robot missions or even for data-driven urban analysis. To do so, light detection and ranging (LiDAR) sensor-based simultaneous localization and mapping (SLAM) technology have…

机器人学 · 计算机科学 2022-01-19 Giseop Kim , Seungsang Yun , Jeongyun Kim , Ayoung Kim