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The monocular visual-inertial system (VINS), which consists one camera and one low-cost inertial measurement unit (IMU), is a popular approach to achieve accurate 6-DOF state estimation. However, such locally accurate visual-inertial…

计算机视觉与模式识别 · 计算机科学 2018-03-06 Tong Qin , Perliang Li , Shaojie Shen

Neural implicit representations have recently demonstrated compelling results on dense Simultaneous Localization And Mapping (SLAM) but suffer from the accumulation of errors in camera tracking and distortion in the reconstruction.…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Youmin Zhang , Fabio Tosi , Stefano Mattoccia , Matteo Poggi

The robustness of event cameras to high dynamic range and motion blur holds the potential to improve visual odometry systems in challenging environments. Although their high temporal resolution does not require synchronous processing, most…

Most real-time autonomous robot applications require a robot to traverse through a dynamic space for a long time. In some cases, a robot needs to work in the same environment. Such applications give rise to the problem of a life-long SLAM…

机器人学 · 计算机科学 2021-07-16 Waqas Ali , Peilin Liu , Rendong Ying , Zheng Gong

Vision-based Simultaneous Localization And Mapping (VSLAM) is a mature problem in Robotics. Most VSLAM systems are feature based methods, which are robust and present high accuracy, but yield sparse maps with limited application for further…

机器人学 · 计算机科学 2019-09-10 Juan Jose Tarrio , Claus Smitt , Sol Pedre

In this paper, we propose panoramic annular simultaneous localization and mapping (PA-SLAM), a visual SLAM system based on panoramic annular lens. A hybrid point selection strategy is put forward in the tracking front-end, which ensures…

机器人学 · 计算机科学 2021-08-04 Hao Chen , Weijian Hu , Kailun Yang , Jian Bai , Kaiwei Wang

Simultaneous Localization and Mapping (SLAM) is considered to be a fundamental capability for intelligent mobile robots. Over the past decades, many impressed SLAM systems have been developed and achieved good performance under certain…

机器人学 · 计算机科学 2019-02-19 Chao Yu , Zuxin Liu , Xinjun Liu , Fugui Xie , Yi Yang , Qi Wei , Qiao Fei

We present AB-VINS, a different kind of visual-inertial SLAM system. Unlike most popular VINS methods which only use hand-crafted techniques, AB-VINS makes use of three different deep neural networks. Instead of estimating sparse feature…

机器人学 · 计算机科学 2024-09-24 Nathaniel Merrill , Guoquan Huang

The Simultaneous Localization and Mapping (SLAM) problem addresses the possibility of a robot to localize itself in an unknown environment and simultaneously build a consistent map of this environment. Recently, cameras have been…

计算机视觉与模式识别 · 计算机科学 2021-06-02 Hudson M. S. Bruno , Esther L. Colombini

Estimating absolute camera orientations is essential for attitude estimation tasks. An established approach is to first carry out visual odometry (VO) or visual SLAM (V-SLAM), and retrieve the camera orientations (3 DOF) from the camera…

计算机视觉与模式识别 · 计算机科学 2020-10-06 Chee-Kheng Chng , Alvaro Parra , Tat-Jun Chin , Yasir Latif

Visual and lidar Simultaneous Localization and Mapping (SLAM) algorithms benefit from the Inertial Measurement Unit (IMU) modality. The high-rate inertial data complement the other lower-rate modalities. Moreover, in the absence of constant…

机器人学 · 计算机科学 2022-03-28 Vladimír Kubelka , Maxime Vaidis , François Pomerleau

This paper proposes a novel active Simultaneous Localization and Mapping (SLAM) method with continuous trajectory optimization over a stochastic robot dynamics model. The problem is formalized as a stochastic optimal control over the…

机器人学 · 计算机科学 2021-10-15 Shumon Koga , Arash Asgharivaskasi , Nikolay Atanasov

In robot localisation and mapping, outliers are unavoidable when loop-closure measurements are taken into account. A single false-positive loop-closure can have a very negative impact on SLAM problems causing an inferior trajectory to be…

机器人学 · 计算机科学 2021-10-06 Milad Ramezani , Matias Mattamala , Maurice Fallon

Making multi-camera visual SLAM systems easier to set up and more robust to the environment is attractive for vision robots. Existing monocular and binocular vision SLAM systems have narrow sensing Field-of-View (FoV), resulting in…

机器人学 · 计算机科学 2025-03-26 Huai Yu , Junhao Wang , Yao He , Wen Yang , Gui-Song Xia

This paper presents ORB-SLAM, a feature-based monocular SLAM system that operates in real time, in small and large, indoor and outdoor environments. The system is robust to severe motion clutter, allows wide baseline loop closing and…

机器人学 · 计算机科学 2015-09-21 Raul Mur-Artal , J. M. M. Montiel , Juan D. Tardos

In recent years there have been excellent results in Visual-Inertial Odometry techniques, which aim to compute the incremental motion of the sensor with high accuracy and robustness. However these approaches lack the capability to close…

机器人学 · 计算机科学 2017-01-18 Raul Mur-Artal , Juan D. Tardos

Visual Simultaneous Localization and Mapping (vSLAM) is a prevailing technology for many emerging robotic applications. Achieving real-time SLAM on mobile robotic systems with limited computational resources is challenging because the…

机器人学 · 计算机科学 2025-02-28 Yao Zhang , Yuyi Mao , Hui Wang , Zhiwen Yu , Song Guo , Jun Zhang , Liang Wang , Bin Guo

The visual simultaneous localization and mapping(vSLAM) is widely used in GPS-denied and open field environments for ground and surface robots. However, due to the frequent perception failures derived from lacking visual texture or the…

机器人学 · 计算机科学 2023-05-23 Zhihao Wang , Haoyao Chen , Shiwu Zhang , Yunjiang Lou

In this paper, we present a factor-graph LiDAR-SLAM system which incorporates a state-of-the-art deeply learned feature-based loop closure detector to enable a legged robot to localize and map in industrial environments. These facilities…

机器人学 · 计算机科学 2020-01-29 Milad Ramezani , Georgi Tinchev , Egor Iuganov , Maurice Fallon

In this paper, we consider the problems in the practical application of visual simultaneous localization and mapping (SLAM). With the popularization and application of the technology in wide scope, the practicability of SLAM system has…

计算机视觉与模式识别 · 计算机科学 2022-07-25 BaoSheng Zhang