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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

Accurate localization of maritime targets by unmanned aerial vehicles (UAVs) remains challenging in GPS-denied environments. UAVs equipped with gimballed electro-optical sensors are typically used to localize targets, however, reliance on…

Systems and Control · Electrical Eng. & Systems 2026-02-12 Alfonso Sciacchitano , Liraz Mudrik , Sean Kragelund , Isaac Kaminer

In this work, we present a pragmatic approach to enable unmanned aerial vehicle (UAVs) to autonomously perform highly complicated tasks of object pick and place. This paper is largely inspired by challenge-2 of MBZIRC 2020 and is primarily…

Robotics · Computer Science 2021-01-19 Ashish Kumar , Mohit Vohra , Ravi Prakash , L. Behera

Unmanned Aerial Vehicles (UAVs), have intrigued different people from all walks of life, because of their pervasive computing capabilities. UAV equipped with vision techniques, could be leveraged to establish navigation autonomous control…

Computer Vision and Pattern Recognition · Computer Science 2019-01-07 Xiaoliang Wang , Peng Cheng , Xinchuan Liu , Benedict Uzochukwu

This paper explores the use of applying a deep learning approach for 3D object detection to compute the relative position of an Unmanned Aerial Vehicle (UAV) from an Unmanned Ground Vehicle (UGV) equipped with a LiDAR sensor in a GPS-denied…

Robotics · Computer Science 2025-04-10 Uthman Olawoye , Jason N. Gross

Vehicle re-identification (Re-ID) involves identifying the same vehicle captured by other cameras, given a vehicle image. It plays a crucial role in the development of safe cities and smart cities. With the rapid growth and implementation…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Xiaoyan Guo , Jie Yang , Xinyu Jia , Chuanyan Zang , Yan Xu , Zhaoyang Chen

We propose and demonstrate a fast, robust method for using satellite images to localize an Unmanned Aerial Vehicle (UAV). Previous work using satellite images has large storage and computation costs and is unable to run in real time. In…

Computer Vision and Pattern Recognition · Computer Science 2021-02-12 Mollie Bianchi , Timothy D. Barfoot

This paper introduces an innovative approach for the autonomous landing of Unmanned Aerial Vehicles (UAVs) using only a front-facing monocular camera, therefore obviating the requirement for depth estimation cameras. Drawing on the inherent…

Robotics · Computer Science 2025-05-13 Tarik Houichime , Younes EL Amrani

Cross-View Geo-Localization tackles the challenge of image geo-localization in GNSS-denied environments, including disaster response scenarios, urban canyons, and dense forests, by matching street-view query images with geo-tagged…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Panwang Xia , Lei Yu , Yi Wan , Qiong Wu , Peiqi Chen , Liheng Zhong , Yongxiang Yao , Dong Wei , Xinyi Liu , Lixiang Ru , Yingying Zhang , Jiangwei Lao , Jingdong Chen , Ming Yang , Yongjun Zhang

Accurate and swift localization of the target is crucial in emergencies. However, accurate position data of a target mobile device, typically obtained from global navigation satellite systems (GNSS), cellular networks, or WiFi, may not…

Systems and Control · Electrical Eng. & Systems 2025-02-18 Halim Lee , Jiwon Seo

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

Ultra-wideband technology has emerged in recent years as a robust solution for localization in GNSS denied environments. In particular, its high accuracy when compared to other wireless localization solutions is enabling a wider range of…

Signal Processing · Electrical Eng. & Systems 2022-04-12 Wang Shule , Carmen Martínez Almansa , Jorge Peña Queralta , Zhuo Zou , Tomi Westerlund

In this paper, we propose a ground-based monocular UAV localisation system that detects and localises an LED marker attached to the underside of a UAV. Our system removes the need for extensive infrastructure and calibration unlike existing…

Robotics · Computer Science 2023-11-07 Xueyan Oh , Ryan Lim , Leonard Loh , Chee How Tan , Shaohui Foong , U-Xuan Tan

A novel control & software architecture using ROS C++ is introduced for object interception by a UAV with a mounted depth camera and no external aid. Existing work in trajectory prediction focused on the use of off-board tools like motion…

Robotics · Computer Science 2021-11-18 Jasper Tan , Arijit Dasgupta , Arjun Agrawal , Sutthiphong Srigrarom

Relative localization of unmanned aerial vehicle (UAV) swarms in global navigation satellite system (GNSS) denied environments is essential for emergency rescue and battlefield reconnaissance. Existing methods suffer from significant…

Signal Processing · Electrical Eng. & Systems 2025-09-05 Guangyu Lei , Yuqi Ping , Tianhao Liang , Huahao Ding , Tingting Zhang

Accurate information about the location and orientation of a camera in mobile devices is central to the utilization of location-based services (LBS). Most of such mobile devices rely on GPS data but this data is subject to inaccuracy due to…

Computer Vision and Pattern Recognition · Computer Science 2014-12-31 Mahdi Salarian

Due to the inability to receive signals from the Global Navigation Satellite System (GNSS) in extreme conditions, achieving accurate and robust navigation for Unmanned Aerial Vehicles (UAVs) is a challenging task. Recently emerged,…

Robotics · Computer Science 2024-02-06 Yuxin Wang , Zunlei Feng , Haofei Zhang , Yang Gao , Jie Lei , Li Sun , Mingli Song

Selecting safe landing sites in non-cooperative environments is a key step towards the full autonomy of UAVs. However, the existing methods have the common problems of poor generalization ability and robustness. Their performance in unknown…

Robotics · Computer Science 2020-11-30 Lyujie Chen , Xiaming Yuan , Yao Xiao , Yiding Zhang , Jihong Zhu

Cooperative Unmanned Aerial Systems (UASs) in GPS-denied environments demand an accurate pose-localization system to ensure efficient operation. In this paper we present a novel visual relative localization system capable of monitoring a…

Reliable real-time 3D localization is essential for multi-UAV navigation, collision avoidance, and coordinated flight, yet onboard estimates can degrade under GNSS multipath, non-line-of-sight reception, vertical drift, and intentional…

Robotics · Computer Science 2026-05-14 Hosam Alamleh , Damir Pulatov