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A new operational, ensemble-based search and rescue model for the Norwegian Sea and the North Sea is presented. The stochastic trajectory model computes the net motion of a range of search and rescue objects. A new, robust formulation for…

Atmospheric and Oceanic Physics · Physics 2011-11-07 Øyvind Breivik , Arthur A Allen

Improper solid waste management represents both a serious threat to ecosystem health and a significant source of revenues for criminal organizations perpetrating environmental crimes. This issue can be mitigated thanks to the increasing…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Federico Gibellini , Piero Fraternali , Giacomo Boracchi , Luca Morandini , Thomas Martinoli , Andrea Diecidue , Simona Malegori

In this paper, we address the problem of autonomous search and vessel detection in an unknown GNSS-denied maritime environment with fixed-wing UAVs. The main challenge in such environments with limited localization, communication range, and…

Aerial scene understanding systems face stringent payload restrictions and must often rely on monocular depth estimation for modeling scene geometry, which is an inherently ill-posed problem. Moreover, obtaining accurate ground truth data…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Horatiu Florea , Sergiu Nedevschi

Radio maps find numerous applications in wireless communications and mobile robotics tasks, including resource allocation, interference coordination, and mission planning. Although numerous techniques have been proposed to construct radio…

Signal Processing · Electrical Eng. & Systems 2022-01-14 Raju Shrestha , Daniel Romero , Sundeep Prabhakar Chepuri

UAV tracking can be widely applied in scenarios such as disaster rescue, environmental monitoring, and logistics transportation. However, existing UAV tracking methods predominantly emphasize speed and lack exploration in semantic…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Xinyu Zhou , Tongxin Pan , Lingyi Hong , Pinxue Guo , Haijing Guo , Zhaoyu Chen , Kaixun Jiang , Wenqiang Zhang

This work aims to investigate the use of deep neural network to detect commercial hobby drones in real-life environments by analyzing their sound data. The purpose of work is to contribute to a system for detecting drones used for malicious…

Sound · Computer Science 2017-01-23 Sungho Jeon , Jong-Woo Shin , Young-Jun Lee , Woong-Hee Kim , YoungHyoun Kwon , Hae-Yong Yang

Floods cause extensive global damage annually, making effective monitoring essential. While satellite observations have proven invaluable for flood detection and tracking, comprehensive global flood datasets spanning extended time periods…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Amit Misra , Kevin White , Simone Fobi Nsutezo , William Straka , Juan Lavista

We consider \emph{weighted group search on a disk}, which is a search-type problem involving 2 mobile agents with unit-speed. The two agents start collocated and their goal is to reach a (hidden) target at an unknown location and a known…

Discrete Mathematics · Computer Science 2024-07-01 Konstantinos Georgiou , Xin Wang

To effectively search for the optimal motion template in dynamic multidimensional space, this paper proposes a novel optimization algorithm, Dynamic Dimension Wrapping (DDW).The algorithm combines Dynamic Time Warping (DTW) and Euclidean…

Machine Learning · Computer Science 2024-11-18 Dongnan Jin , Yali Liu , Qiuzhi Song , Xunju Ma , Yue Liu , Dehao Wu

This work describes an integrated solution to face a civil security problem in the area of Search And Rescue (SAR) of missing people. This proposal is based on the use of emerging technologies such as Unmanned Aerial Vehicles (UAV), also…

Cryptography and Security · Computer Science 2022-08-17 Moisés Lodeiro-Santiago , Ivan Santos-Gonzalez , Pino Caballero-Gil , Candido Caballero-Gil

The continuous monitoring by drone swarms remains a challenging problem due to the lack of power supply and the inability of drones to land on uneven surfaces. Heterogeneous swarms, including ground and aerial vehicles, can support longer…

The safe operation of drone swarms beyond visual line of sight requires multiple safeguards to mitigate the risk of collision between drones flying in close-proximity scenarios. Cooperative navigation and flight coordination strategies that…

Robotics · Computer Science 2025-08-06 Manduhu Manduhu , Alexander Dow , Petar Trslic , Gerard Dooly , Benjamin Blanck , James Riordan

The size of a narrow gap traversable by a fixed-wing drone is limited by its wingspan. Inspired by birds, here, we enable the traversal of a gap of sub-wingspan width and height using a morphing-wing drone capable of temporarily sweeping in…

Robotics · Computer Science 2026-03-13 Julius Wanner , Hoang-Vu Phan , Charbel Toumieh , Dario Floreano

Large language models (LLMs) are increasingly used in emergency first response (EFR) applications to support situational awareness (SA) and decision-making, yet most operate on text or 2D imagery and offer little support for core EFR SA…

Human-Computer Interaction · Computer Science 2026-02-18 Rodrigo Gutierrez Maquilon , Marita Hueber , Georg Regal , Manfred Tscheligi

UAVs are playing an increasingly important role in the field of wilderness rescue by virtue of their flexibility. This paper proposes a fusion of UAV vision technology and satellite image analysis technology for active wildfires detection…

Artificial Intelligence · Computer Science 2023-12-07 Chang Liu , Tamas Sziranyi

Unmanned aerial vehicle-assisted disaster recovery missions have been promoted recently due to their reliability and flexibility. Machine learning algorithms running onboard significantly enhance the utility of UAVs by enabling real-time…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Nethmi S. Hewawiththi , M. Mahesha Viduranga , Vanodhya G. Warnasooriya , Tharindu Fernando , Himal A. Suraweera , Sridha Sridharan , Clinton Fookes

The advancement of autonomous drones, essential for sectors such as remote sensing and emergency services, is hindered by the absence of training datasets that fully capture the environmental challenges present in real-world scenarios,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Benedikt Kolbeinsson , Krystian Mikolajczyk

Using underwater robots instead of humans for the inspection of coastal piers can enhance efficiency while reducing risks. A key challenge in performing these tasks lies in achieving efficient and rapid path planning within complex…

Robotics · Computer Science 2025-05-14 Pengyu Wang , Hin Wang Lin , Jialu Li , Jiankun Wang , Ling Shi , Max Q. -H. Meng

The ocean is warming and acidifying, increasing the risk of mass mortality events for temperature-sensitive shellfish such as oysters. This motivates the development of long-term monitoring systems. However, human labor is costly and…