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We propose a new method named LoD-Loc for visual localization in the air. Unlike existing localization algorithms, LoD-Loc does not rely on complex 3D representations and can estimate the pose of an Unmanned Aerial Vehicle (UAV) using a…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Juelin Zhu , Shen Yan , Long Wang , Shengyue Zhang , Yu Liu , Maojun Zhang

Absolute Visual Localization (AVL) enables an Unmanned Aerial Vehicle (UAV) to determine its position in GNSS-denied environments by establishing geometric relationships between UAV images and geo-tagged reference maps. While many previous…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Yibin Ye , Xichao Teng , Shuo Chen , Leqi Liu , Kun Wang , Xiaokai Song , Zhang Li

The application of unmanned aerial vehicles (UAV) has been widely extended recently. It is crucial to ensure accurate latitude and longitude coordinates for UAVs, especially when the global navigation satellite systems (GNSS) are disrupted…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Wenjia Xu , Yaxuan Yao , Jiaqi Cao , Zhiwei Wei , Chunbo Liu , Jiuniu Wang , Mugen Peng

The autonomous real-time optical navigation of planetary UAV is of the key technologies to ensure the success of the exploration. In such a GPS denied environment, vision-based localization is an optimal approach. In this paper, we proposed…

Computer Vision and Pattern Recognition · Computer Science 2021-06-25 Xue Wan , Yuanbin Shao , Shengyang Li

Robust and accurate localization for Unmanned Aerial Vehicles (UAVs) is an essential capability to achieve autonomous, long-range flights. Current methods either rely heavily on GNSS, face limitations in visual-based localization due to…

Robotics · Computer Science 2023-10-26 Yao He , Ivan Cisneros , Nikhil Keetha , Jay Patrikar , Zelin Ye , Ian Higgins , Yaoyu Hu , Parv Kapoor , Sebastian Scherer

Navigation and localization of UAVs present a challenge when global navigation satellite systems (GNSS) are disrupted and unreliable. Traditional techniques, such as simultaneous localization and mapping (SLAM) and visual odometry (VO),…

Computer Vision and Pattern Recognition · Computer Science 2023-10-13 Haoling Li , Jiuniu Wang , Zhiwei Wei , Wenjia Xu

Precise geolocalization is crucial for unmanned aerial vehicles (UAVs). However, most current deployed UAVs rely on the global navigation satellite systems (GNSS) or high precision inertial navigation systems (INS) for geolocalization. In…

Robotics · Computer Science 2023-01-02 Jun Mao , Lilian Zhang , Xiaofeng He , Hao Qu , Xiaoping Hu

Localization of autonomous unmanned aerial vehicles (UAVs) relies heavily on Global Navigation Satellite Systems (GNSS), which are susceptible to interference. Especially in security applications, robust localization algorithms independent…

Robotics · Computer Science 2025-01-09 Jouko Kinnari , Riccardo Renzulli , Francesco Verdoja , Ville Kyrki

This paper addresses the problem of active collaborative localization in heterogeneous robot teams with unknown data association. It involves positioning a small number of identical unmanned ground vehicles (UGVs) at desired positions so…

Robotics · Computer Science 2023-08-15 Igor Spasojevic , Xu Liu , Ankit Prabhu , Alejandro Ribeiro , George J. Pappas , Vijay Kumar

The global positioning system (GPS) has become an indispensable navigation method for field operations with unmanned surface vehicles (USVs) in marine environments. However, GPS may not always be available outdoors because it is vulnerable…

In this work, we propose a new learning approach for autonomous navigation and landing of an Unmanned-Aerial-Vehicle (UAV). We develop a multimodal fusion of deep neural architectures for visual-inertial odometry. We train the model in an…

Machine Learning · Computer Science 2020-04-15 Francesca Baldini , Animashree Anandkumar , Richard M. Murray

The capabilities of autonomous flight with unmanned aerial vehicles (UAVs) have significantly increased in recent times. However, basic problems such as fast and robust geo-localization in GPS-denied environments still remain unsolved.…

Robotics · Computer Science 2021-08-10 Shuxiao Chen , Xiangyu Wu , Mark W. Mueller , Koushil Sreenath

The vision-based geo-localization technology for UAV, serving as a secondary source of GPS information in addition to the global navigation satellite systems (GNSS), can still operate independently in the GPS-denied environment. Recent deep…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Yuxiang Ji , Boyong He , Zhuoyue Tan , Liaoni Wu

Absolute localization, aiming to determine an agent's location with respect to a global reference, is crucial for unmanned aerial vehicles (UAVs) in various applications, but it becomes challenging when global navigation satellite system…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Xiangkai Zhang , Xiang Zhou , Mao Chen , Yuchen Lu , Xu Yang , Zhiyong Liu

In this paper, we present an autonomous unmanned aerial vehicle (UAV) landing system based on visual navigation. We design the landmark as a topological pattern in order to enable the UAV to distinguish the landmark from the environment…

Robotics · Computer Science 2019-10-30 Zhixin Wu , Peng Han , Ruiwen Yao , Lei Qiao , Weidong Zhang , Tielong Shen , Min Sun , Yilong Zhu , Ming Liu , Rui Fan

Despite significant progress in global localization of Unmanned Aerial Vehicles (UAVs) in GPS-denied environments, existing methods remain constrained by the availability of datasets. Current datasets often focus on small-scale scenes and…

Computer Vision and Pattern Recognition · Computer Science 2024-01-12 Rouwan Wu , Xiaoya Cheng , Juelin Zhu , Xuxiang Liu , Maojun Zhang , Shen Yan

The integration of Unmanned Aerial Vehicles (UAVs) and Unmanned Ground Vehicles (UGVs) is increasingly central to the development of intelligent autonomous systems for applications such as search and rescue, environmental monitoring, and…

Accurate visual localization from aerial views is a fundamental problem with applications in mapping, large-area inspection, and search-and-rescue operations. In many scenarios, these systems require high-precision localization while…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Oussema Dhaouadi , Riccardo Marin , Johannes Meier , Jacques Kaiser , Daniel Cremers

We propose an image-based cross-view geolocalization method that estimates the global pose of a UAV with the aid of georeferenced satellite imagery. Our method consists of two Siamese neural networks that extract relevant features despite…

Robotics · Computer Science 2018-09-18 Akshay Shetty , Grace Xingxin Gao

Unmanned aerial vehicles (UAVs) are becoming largely ubiquitous with an increasing demand for aerial data. Accurate navigation and localization, required for precise data collection in many industrial applications, often relies on RTK GNSS.…

Robotics · Computer Science 2021-04-02 Yu Xianjia , Li Qingqing , Jorge Pena Queralta , Jukka Heikkonen , Tomi Westerlund
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