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Open AccessJournal ArticleDOI

ORB-SLAM2: An Open-Source SLAM System for Monocular, Stereo, and RGB-D Cameras

Raul Mur-Artal, +1 more
- 12 Jun 2017 - 
- Vol. 33, Iss: 5, pp 1255-1262
TLDR
ORB-SLAM2, a complete simultaneous localization and mapping (SLAM) system for monocular, stereo and RGB-D cameras, including map reuse, loop closing, and relocalization capabilities, is presented, being in most cases the most accurate SLAM solution.
Abstract
We present ORB-SLAM2, a complete simultaneous localization and mapping (SLAM) system for monocular, stereo and RGB-D cameras, including map reuse, loop closing, and relocalization capabilities. The system works in real time on standard central processing units in a wide variety of environments from small hand-held indoors sequences, to drones flying in industrial environments and cars driving around a city. Our back-end, based on bundle adjustment with monocular and stereo observations, allows for accurate trajectory estimation with metric scale. Our system includes a lightweight localization mode that leverages visual odometry tracks for unmapped regions and matches with map points that allow for zero-drift localization. The evaluation on 29 popular public sequences shows that our method achieves state-of-the-art accuracy, being in most cases the most accurate SLAM solution. We publish the source code, not only for the benefit of the SLAM community, but with the aim of being an out-of-the-box SLAM solution for researchers in other fields.

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Citations
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Journal ArticleDOI

ORB-SLAM3: An Accurate Open-Source Library for Visual, Visual-Inertial and Multi-Map SLAM

TL;DR: This article presents ORB-SLAM3, the first system able to perform visual, visual-inertial and multimap SLAM with monocular, stereo and RGB-D cameras, using pin-hole and fisheye lens models, resulting in real-time robust operation in small and large, indoor and outdoor environments.
Proceedings ArticleDOI

Habitat: A Platform for Embodied AI Research

TL;DR: The comparison between learning and SLAM approaches from two recent works are revisited and evidence is found -- that learning outperforms SLAM if scaled to an order of magnitude more experience than previous investigations, and the first cross-dataset generalization experiments are conducted.
Journal ArticleDOI

RTAB-Map as an open-source lidar and visual simultaneous localization and mapping library for large-scale and long-term online operation

TL;DR: This paper presents this extended version of RTAB‐Map and its use in comparing, both quantitatively and qualitatively, a large selection of popular real‐world datasets, outlining strengths, and limitations of visual and lidar SLAM configurations from a practical perspective for autonomous navigation applications.
Journal ArticleDOI

Visual SLAM algorithms: a survey from 2010 to 2016

TL;DR: This paper focuses on vSLAM algorithms proposed mainly from 2010 to 2016 because major advance occurred in that period and the technical categories are summarized as follows: feature-based, direct, and RGB-D camera-based approaches.
Proceedings ArticleDOI

Probabilistic data association for semantic SLAM

TL;DR: This paper forms an optimization problem over sensor states and semantic landmark positions that integrates metric information, semantic information, and data associations, and decomposes it into two interconnected problems: an estimation of discrete data association and landmark class probabilities, and a continuous optimization over the metric states.
References
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Proceedings ArticleDOI

ORB: An efficient alternative to SIFT or SURF

TL;DR: This paper proposes a very fast binary descriptor based on BRIEF, called ORB, which is rotation invariant and resistant to noise, and demonstrates through experiments how ORB is at two orders of magnitude faster than SIFT, while performing as well in many situations.
Journal ArticleDOI

Vision meets robotics: The KITTI dataset

TL;DR: A novel dataset captured from a VW station wagon for use in mobile robotics and autonomous driving research, using a variety of sensor modalities such as high-resolution color and grayscale stereo cameras and a high-precision GPS/IMU inertial navigation system.
Journal ArticleDOI

ORB-SLAM: A Versatile and Accurate Monocular SLAM System

TL;DR: ORB-SLAM as discussed by the authors is a feature-based monocular SLAM system that operates in real time, in small and large indoor and outdoor environments, with a survival of the fittest strategy that selects the points and keyframes of the reconstruction.
Proceedings ArticleDOI

KinectFusion: Real-time dense surface mapping and tracking

TL;DR: A system for accurate real-time mapping of complex and arbitrary indoor scenes in variable lighting conditions, using only a moving low-cost depth camera and commodity graphics hardware, which fuse all of the depth data streamed from a Kinect sensor into a single global implicit surface model of the observed scene in real- time.
Proceedings ArticleDOI

A benchmark for the evaluation of RGB-D SLAM systems

TL;DR: A large set of image sequences from a Microsoft Kinect with highly accurate and time-synchronized ground truth camera poses from a motion capture system is recorded for the evaluation of RGB-D SLAM systems.