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Visual loop closure detection is an important module in visual simultaneous localization and mapping (SLAM), which associates current camera observation with previously visited places. Loop closures correct drifts in trajectory estimation…

Robotics · Computer Science 2024-07-18 Jingwen Yu , Hanjing Ye , Jianhao Jiao , Ping Tan , Hong Zhang

For VSLAM (Visual Simultaneous Localization and Mapping), localization is a challenging task, especially for some challenging situations: textureless frames, motion blur, etc.. To build a robust exploration and localization system in a…

Robotics · Computer Science 2018-07-04 Weinan Chen , Lei Zhu , Yisheng Guan , C. Ronald Kube , Hong Zhang

Modern 3D laser-range scanners have a high data rate, making online simultaneous localization and mapping (SLAM) computationally challenging. Recursive state estimation techniques are efficient but commit to a state estimate immediately…

Robotics · Computer Science 2018-10-17 David Droeschel , Sven Behnke

We have proposed, to the best of our knowledge, the first-of-its-kind LiDAR-Inertial-Visual-Fused simultaneous localization and mapping (SLAM) system with a strong place recognition capacity. Our proposed SLAM system is consist of…

Robotics · Computer Science 2023-01-16 Kangcheng Liu

Indoor localisation techniques suffer from attenuated Global Navigation Satellite System (GNSS) signals and from the accumulation of unbounded drift by integration of proprioceptive sensors. Magnetic field-based Simultaneous Localisation…

Robotics · Computer Science 2026-04-23 Thomas Edridge , Manon Kok

While visual SLAM systems are well studied and achieve impressive results in indoor and urban settings, natural, outdoor and open-field environments are much less explored and still present relevant research challenges. Visual navigation…

Robotics · Computer Science 2024-09-02 Nicolás Soncini , Javier Civera , Taihú Pire

Numerous Simultaneous Localization and Mapping (SLAM) algorithms have been presented in last decade using different sensor modalities. However, robust SLAM in extreme weather conditions is still an open research problem. In this paper,…

Robotics · Computer Science 2020-05-06 Ziyang Hong , Yvan Petillot , Sen Wang

We proposed an end-to-end deep learning-based simultaneous localization and mapping (SLAM) system following conventional visual odometry (VO) pipelines. The proposed method completes the SLAM framework by including tracking, mapping, and…

Robotics · Computer Science 2019-05-10 Youngji Kim , Ayoung Kim

Loop closure detection, the task of identifying locations revisited by a robot in a sequence of odometry and perceptual observations, is typically formulated as a combination of two subtasks: (1) bag-of-words image retrieval and (2)…

Computer Vision and Pattern Recognition · Computer Science 2015-09-28 Kanji Tanaka

Autonomous exploration for mapping unknown large scale environments is a fundamental challenge in robotics, with efficiency in time, stability against map corruption and computational resources being crucial. This paper presents a novel…

Robotics · Computer Science 2025-07-01 Megha Maheshwari , Sadeigh Rabiee , He Yin , Martin Labrie , Hang Liu , Rajasimman Madhivanan

Visual SLAM - Simultaneous Localization and Mapping - in dynamic environments typically relies on identifying and masking image features on moving objects to prevent them from negatively affecting performance. Current approaches are…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Adrian Bojko , Romain Dupont , Mohamed Tamaazousti , Hervé Le Borgne

The performance of visual SLAM in complex, real-world scenarios is often compromised by unreliable feature extraction and matching when using handcrafted features. Although deep learning-based local features excel at capturing high-level…

Robotics · Computer Science 2024-06-26 Hao Qu , Lilian Zhang , Jun Mao , Junbo Tie , Xiaofeng He , Xiaoping Hu , Yifei Shi , Changhao Chen

Simultaneous localization and mapping (SLAM) is one of the key components of a control system that aims to ensure autonomous navigation of a mobile robot in unknown environments. In a variety of practical cases a robot might need to travel…

Robotics · Computer Science 2022-12-13 Kirill Muravyev , Konstantin Yakovlev

Visual odometry (VO) and SLAM have been using multi-view geometry via local structure from motion for decades. These methods have a slight disadvantage in challenging scenarios such as low-texture images, dynamic scenarios, etc. Meanwhile,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-11 Akankshya Kar , Sajal Maheshwari , Shamit Lal , Vinay Sameer Raja Kad

This paper presents a novel framework for simultaneously implementing localization and segmentation, which are two of the most important vision-based tasks for robotics. While the goals and techniques used for them were considered to be…

Computer Vision and Pattern Recognition · Computer Science 2019-10-30 Kai Wang , Yimin Lin , Luowei Wang , Liming Han , Minjie Hua , Xiang Wang , Shiguo Lian , Bill Huang

Simultaneous Localization and Mapping (SLAM) is considered an ever-evolving problem due to its usage in many applications. Evaluation of SLAM is done typically using publicly available datasets which are increasing in number and the level…

Robotics · Computer Science 2023-03-02 Islam Ali , Hong Zhang

Vision-based sensors have shown significant performance, accuracy, and efficiency gain in Simultaneous Localization and Mapping (SLAM) systems in recent years. In this regard, Visual Simultaneous Localization and Mapping (VSLAM) methods…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Ali Tourani , Hriday Bavle , Jose Luis Sanchez-Lopez , Holger Voos

Simultaneous localization and mapping (SLAM) is a critical technology that enables autonomous robots to be aware of their surrounding environment. With the development of deep learning, SLAM systems can achieve a higher level of perception…

Keyframes are LiDAR scans saved for future reference in Simultaneous Localization And Mapping (SLAM), but despite their central importance most algorithms leave choices of which scans to save and how to use them to wasteful heuristics. This…

Robotics · Computer Science 2025-04-18 David Thorne , Nathan Chan , Yanlong Ma , Christa S. Robison , Philip R. Osteen , Brett T. Lopez

The concept of continuous-time trajectory representation has brought increased accuracy and efficiency to multi-modal sensor fusion in modern SLAM. However, regardless of these advantages, its offline property caused by the requirement of…

Robotics · Computer Science 2018-03-06 Chanoh Park , Peyman Moghadam , Soohwan Kim , Alberto Elfes , Clinton Fookes , Sridha Sridharan