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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…

Moving Object Detection (MOD) is an important task for achieving robust autonomous driving. An autonomous vehicle has to estimate collision risk with other interacting objects in the environment and calculate an optional trajectory.…

Computer Vision and Pattern Recognition · Computer Science 2019-09-02 Marie Yahiaoui , Hazem Rashed , Letizia Mariotti , Ganesh Sistu , Ian Clancy , Lucie Yahiaoui , Varun Ravi Kumar , Senthil Yogamani

An onboard target detection, tracking and avoidance system has been developed in this paper, for low-cost UAV flight controllers using AI-Based approaches. The aim of the proposed system is that an ally UAV can either avoid or track an…

Computer Vision and Pattern Recognition · Computer Science 2020-03-02 Vinorth Varatharasan , Alice Shuang Shuang Rao , Eric Toutounji , Ju-Hyeon Hong , Hyo-Sang Shin

We propose a real-time dynamic LiDAR odometry pipeline for mobile robots in Urban Search and Rescue (USAR) scenarios. Existing approaches to dynamic object detection often rely on pretrained learned networks or computationally expensive…

Robotics · Computer Science 2024-11-28 Jonathan Lichtenfeld , Kevin Daun , Oskar von Stryk

Autonomous underwater vehicles (AUVs) are becoming standard tools for underwater exploration and seabed mapping in both scientific and industrial applications \cite{graham2022rapid, stenius2022system}. Their capacity to dive untethered…

Robotics · Computer Science 2022-11-11 Ignacio Torroba , Marco Chella , Aldo Teran , Niklas Rolleberg , John Folkesson

The speed of response by search and rescue teams at sea is of vital importance, as survival may depend on it. Recent technological advancements have led to the development of more efficient systems for locating individuals involved in a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Juan P. Martinez-Esteso , Francisco J. Castellanos , Jorge Calvo-Zaragoza , Antonio Javier Gallego

Publicly available satellite imagery can be an ubiquitous, cheap, and powerful tool for vehicle localisation when a prior sensor map is unavailable. However, satellite images are not directly comparable to data from ground range sensors…

Robotics · Computer Science 2020-09-24 Tim Y. Tang , Daniele De Martini , Shangzhe Wu , Paul Newman

Repeated exploration of a water surface to detect objects of interest and their subsequent monitoring is important in search-and-rescue or ocean clean-up operations. Since the location of any detected object is dynamic, we propose to…

Robotics · Computer Science 2023-08-15 František Nekovář , Jan Faigl , Martin Saska

Underwater object detection (UOD), aiming to identify and localise the objects in underwater images or videos, presents significant challenges due to the optical distortion, water turbidity, and changing illumination in underwater scenes.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Long Chen , Yuzhi Huang , Junyu Dong , Qi Xu , Sam Kwong , Huimin Lu , Huchuan Lu , Chongyi Li

Unsupervised object discovery aims to localize objects in images, while removing the dependence on annotations required by most deep learning-based methods. To address this problem, we propose a fully unsupervised, bottom-up approach, for…

Computer Vision and Pattern Recognition · Computer Science 2022-12-21 Sandra Kara , Hejer Ammar , Florian Chabot , Quoc-Cuong Pham

Object detection has recently seen an interesting trend in terms of the most innovative research work, this task being of particular importance in the field of remote sensing, given the consistency of these images in terms of geographical…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Anasse Boutayeb , Iyad Lahsen-cherif , Ahmed El Khadimi

In this work we consider the task of detecting sheep onboard an unmanned aerial vehicle (UAV) flying at an altitude of 80 m. At this height, the sheep are relatively small, only about 15 pixels across. Although deep learning strategies have…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Farah Sarwar , Anthony Griffin , Saeed Ur Rehman , Timotius Pasang

Unmanned aerial vehicle (UAV) is becoming increasingly important in modern civilian and military applications. However, its novel use cases is bottlenecked by conventional satellite and terrestrial localization technologies, and calling for…

Signal Processing · Electrical Eng. & Systems 2024-01-10 Bin Han , Hans D. Schotten

The exploration and sustainable use of marine environments have become increasingly critical as oceans cover over 70% of surface of Earth. This paper provides a comprehensive survey and classification of state-of-the-art underwater vehicles…

Systems and Control · Electrical Eng. & Systems 2024-12-30 Jiajie Xu , Xabier Irigoien , Mohamed-Slim Alouini

Responding to the challenge of detecting unusual radar targets in a well identified environment, innovative anomaly and novelty detection methods keep emerging in the literature. This work aims at presenting a benchmark gathering common and…

Signal Processing · Electrical Eng. & Systems 2021-06-22 Martin Bauw , Santiago Velasco-Forero , Jesus Angulo , Claude Adnet , Olivier Airiau

Moving object segmentation is a crucial task for safe and reliable autonomous mobile systems like self-driving cars, improving the reliability and robustness of subsequent tasks like SLAM or path planning. While the segmentation of camera…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Leon Schwarzer , Matthias Zeller , Daniel Casado Herraez , Simon Dierl , Michael Heidingsfeld , Cyrill Stachniss

Learning to localize objects with minimal supervision is an important problem in computer vision, since large fully annotated datasets are extremely costly to obtain. In this paper, we propose a new method that achieves this goal with only…

Computer Vision and Pattern Recognition · Computer Science 2014-05-19 Hyun Oh Song , Ross Girshick , Stefanie Jegelka , Julien Mairal , Zaid Harchaoui , Trevor Darrell

A first-person camera, placed at a person's head, captures, which objects are important to the camera wearer. Most prior methods for this task learn to detect such important objects from the manually labeled first-person data in a…

Computer Vision and Pattern Recognition · Computer Science 2017-08-03 Gedas Bertasius , Hyun Soo Park , Stella X. Yu , Jianbo Shi

In this paper, we explore the application of Unmanned Aerial Vehicles (UAVs) in maritime search and rescue (mSAR) missions, focusing on medium-sized fixed-wing drones and quadcopters. We address the challenges and limitations inherent in…

Robotics · Computer Science 2024-03-22 Martin Messmer , Benjamin Kiefer , Leon Amadeus Varga , Andreas Zell

Detecting anomalies in hyperspectral image data, i.e. regions which are spectrally distinct from the image background, is a common task in hyperspectral imaging. Such regions may represent interesting objects to human operators, but…

Image and Video Processing · Electrical Eng. & Systems 2026-02-17 Thomas P. Watson , Kevin McKenzie , Joseph Conroy , Eddie L. Jacobs