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Related papers: Monocular Visual Teach and Repeat Aided by Local G…

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With the rise of deep learning, there is a fundamental change in visual SLAM algorithms toward developing different modules trained as end-to-end pipelines. However, regardless of the implementation domain, visual SLAM's performance is…

Robotics · Computer Science 2025-03-06 Olaya Alvarez-Tunon , Yury Brodskiy , Erdal Kayacan

To achieve successful field autonomy, mobile robots need to freely adapt to changes in their environment. Visual navigation systems such as Visual Teach and Repeat (VT&R) often assume the space around the reference trajectory is free, but…

Robotics · Computer Science 2022-07-01 Matías Mattamala , Nived Chebrolu , Maurice Fallon

High precision localization is a crucial requirement for the autonomous driving system. Traditional positioning methods have some limitations in providing stable and accurate vehicle poses, especially in an urban environment. Herein, we…

Robotics · Computer Science 2018-05-17 Zhongyang Xiao , Kun Jiang , Shichao Xie , Tuopu Wen , Chunlei Yu , Diange Yang

This paper introduces a fully deep learning approach to monocular SLAM, which can perform simultaneous localization using a neural network for learning visual odometry (L-VO) and dense 3D mapping. Dense 2D flow and a depth image are…

Robotics · Computer Science 2018-07-26 Cheng Zhao , Li Sun , Pulak Purkait , Tom Duckett , Rustam Stolkin

Self-supervised learning for monocular depth estimation is widely investigated as an alternative to supervised learning approach, that requires a lot of ground truths. Previous works have successfully improved the accuracy of depth…

Computer Vision and Pattern Recognition · Computer Science 2020-11-25 Noriaki Hirose , Shun Taguchi , Keisuke Kawano , Satoshi Koide

Topological strategies for navigation meaningfully reduce the space of possible actions available to a robot, allowing use of heuristic priors or learning to enable computationally efficient, intelligent planning. The challenges in…

Robotics · Computer Science 2020-04-01 Gregory J. Stein , Christopher Bradley , Victoria Preston , Nicholas Roy

Monocular visual SLAM has become an attractive practical approach for robot localization and 3D environment mapping, since cameras are small, lightweight, inexpensive, and produce high-rate, high-resolution data streams. Although numerous…

Computer Vision and Pattern Recognition · Computer Science 2018-06-08 Hasnain Vohra , Maxim Bazik , Matthew Antone , Joseph Mundy , William Stephenson

Frequency-modulated continuous-wave (FMCW) scanning radar has emerged as an alternative to spinning LiDAR for state estimation on mobile robots. Radar's longer wavelength is less affected by small particulates, providing operational…

Robotics · Computer Science 2024-09-17 Xinyuan Qiao , Alexander Krawciw , Sven Lilge , Timothy D. Barfoot

We present a visual-inertial depth estimation pipeline that integrates monocular depth estimation and visual-inertial odometry to produce dense depth estimates with metric scale. Our approach performs global scale and shift alignment…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Diana Wofk , René Ranftl , Matthias Müller , Vladlen Koltun

This dissertation is a multifaceted contribution to the advancement of vision-based 3D perception technologies. In the first segment, the thesis introduces structural enhancements to both monocular and stereo 3D object detection algorithms.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Yuxuan Liu

Vision-and-language navigation (VLN) enables the agent to navigate to a remote location in 3D environments following the natural language instruction. In this field, the agent is usually trained and evaluated in the navigation simulators,…

Robotics · Computer Science 2024-10-15 Zihan Wang , Xiangyang Li , Jiahao Yang , Yeqi Liu , Shuqiang Jiang

A reliable sense-and-avoid system is critical to enabling safe autonomous operation of unmanned aircraft. Existing sense-and-avoid methods often require specialized sensors that are too large or power intensive for use on small unmanned…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 John Mern , Kyle Julian , Rachael E. Tompa , Mykel J. Kochenderfer

Accurately perceiving location and scene is crucial for autonomous driving and mobile robots. Recent advances in deep learning have made it possible to learn egomotion and depth from monocular images in a self-supervised manner, without…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Hao Qu , Lilian Zhang , Xiaoping Hu , Xiaofeng He , Xianfei Pan , Changhao Chen

We propose a self-supervised learning framework that uses unlabeled monocular video sequences to generate large-scale supervision for training a Visual Odometry (VO) frontend, a network which computes pointwise data associations across…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Daniel DeTone , Tomasz Malisiewicz , Andrew Rabinovich

We address the problem of finding the current position and heading angle of an autonomous vehicle in real-time using a single camera. Compared to methods which require LiDARs and high definition (HD) 3D maps in real-time, the proposed…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Eunhyek Joa , Yibo Sun , Francesco Borrelli

In this paper, we present a monocular Simultaneous Localization and Mapping (SLAM) algorithm using high-level object and plane landmarks. The built map is denser, more compact and semantic meaningful compared to feature point based SLAM. We…

Robotics · Computer Science 2019-07-01 Shichao Yang , Sebastian Scherer

Cameras provide a rich source of information while being passive, cheap and lightweight for small and medium Unmanned Aerial Vehicles (UAVs). In this work we present the first implementation of receding horizon control, which is widely used…

This paper presents a novel visual-LiDAR odometry and mapping method with low-drift characteristics. The proposed method is based on two popular approaches, ORB-SLAM and A-LOAM, with monocular scale correction and visual-bootstrapped LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Hanyu Cai , Ni Ou , Junzheng Wang

Classical monocular Simultaneous Localization And Mapping (SLAM) and the recently emerging convolutional neural networks (CNNs) for monocular depth prediction represent two largely disjoint approaches towards building a 3D map of the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-10 Lokender Tiwari , Pan Ji , Quoc-Huy Tran , Bingbing Zhuang , Saket Anand , Manmohan Chandraker

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…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Hudson M. S. Bruno , Esther L. Colombini