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In this paper we present a simulation framework for the evaluation of the navigation and localization metrological performances of a robotic platform. The simulator, based on ROS (Robot Operating System) Gazebo, is targeted to a…

Robotics · Computer Science 2020-06-18 Riccardo Giubilato , Andrea Masili , Sebastiano Chiodini , Marco Pertile , Stefano Debei

Super-resolution is aimed at reconstructing high-resolution images from low-resolution observations. State-of-the-art approaches underpinned with deep learning allow for obtaining outstanding results, generating images of high perceptual…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Maciej Ziaja , Pawel Kowaleczko , Daniel Kostrzewa , Nicolas Longépé , Michal Kawulok

Modeling ocean surface waves under complex ocean current conditions is of crucial importance to many naval applications. For example, traveling ships and underwater vehicles generate spatially heterogeneous currents behind them through…

Fluid Dynamics · Physics 2022-02-15 Tianyi Li , Anqing Xuan , Lian Shen

Automatic object detection by satellite remote sensing images is of great significance for resource exploration and natural disaster assessment. To solve existing problems in remote sensing image detection, this article proposes an improved…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Lei Yang , Guowu Yuan , Hao Zhou , Hongyu Liu , Jian Chen , Hao Wu

This paper presents a novel dataset for the development of visual navigation and simultaneous localisation and mapping (SLAM) algorithms as well as for underwater intervention tasks. It differs from existing datasets as it contains ground…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Tomasz Luczynski , Jonatan Scharff Willners , Elizabeth Vargas , Joshua Roe , Shida Xu , Yu Cao , Yvan Petillot , Sen Wang

The classification and recognition of maritime objects are crucial for enhancing maritime safety, monitoring, and intelligent sea environment prediction. However, existing unsupervised methods for maritime object classification often…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Dan Song , Shumeng Huo , Wenhui Li , Lanjun Wang , Chao Xue , An-An Liu

Accurate measurement of island area and coastline length is crucial for coastal zone monitoring and oceanographic analysis. However, traditional measurement and mapping methods usually rely heavily on orthophotos, expensive airborne depth…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Quanyun Wu , Kyle Gao , Wentao Sun , Hongjie He , Yuhao Chen , David A. Clausi , Jonathan Li

Accurate ocean mapping is essential for applications such as bathymetry estimation, seabed characterization, marine litter detection, and ecosystem monitoring. However, ocean remote sensing (RS) remains constrained by limited labeled data…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Viola-Joanna Stamer , Panagiotis Agrafiotis , Behnood Rasti , Begüm Demir

High-quality training data is essential for enhancing the robustness of object detection models. Within the maritime domain, obtaining a diverse real image dataset is particularly challenging due to the difficulty of capturing sea images…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Martin Tran , Jordan Shipard , Hermawan Mulyono , Arnold Wiliem , Clinton Fookes

Though semantic segmentation has been heavily explored in vision literature, unique challenges remain in the remote sensing domain. One such challenge is how to handle resolution mismatch between overhead imagery and ground-truth label…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 Scott Workman , Armin Hadzic , M. Usman Rafique

Accurate mapping of ocean bathymetry is a multi-faceted process, needed for safe and efficient navigation on shipping routes and for predicting tsunami waves. Currently available bathymetry data does not always provide the resolution to…

Fluid Dynamics · Physics 2020-03-12 N. K. -R. Kevlahan , R. A. Khan

Accurate ocean forecasting systems are vital for understanding marine dynamics, which play a crucial role in environmental management and climate adaptation strategies. Traditional numerical solvers, while effective, are computationally…

Atmospheric and Oceanic Physics · Physics 2024-11-21 Daniel Holmberg , Emanuela Clementi , Teemu Roos

Spatiotemporal dynamics models are fundamental for various domains, from heat propagation in materials to oceanic and atmospheric flows. However, currently available neural network-based spatiotemporal modeling approaches fall short when…

Machine Learning · Computer Science 2025-02-11 Valerii Iakovlev , Harri Lähdesmäki

Spatiotemporal fusion aims to improve both the spatial and temporal resolution of remote sensing images, thus facilitating time-series analysis at a fine spatial scale. However, there are several important issues that limit the application…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Houcai Guo , Dingqi Ye , Lorenzo Bruzzone

The continuous monitoring of a shore plays an essential role in designing strategies for shore protection against erosion. To avoid the effect of clouds and sunlight, satellite-based imagery with synthetic aperture radar is used to provide…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Petr Hurtik , Marek Vajgl

Accurate and reliable optical remote sensing image-based small-ship detection is crucial for maritime surveillance systems, but existing methods often struggle with balancing detection performance and computational complexity. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Yifan Yin , Xu Cheng , Fan Shi , Xiufeng Liu , Huan Huo , Shengyong Chen

Navigation and trajectorial estimation of maritime vessels are contingent upon the context of positional accuracy. Even the smallest deviations in the estimation of a given vessel may result in detrimental consequences in terms of economic…

Systems and Control · Electrical Eng. & Systems 2024-04-09 Atilla Alpay Nalcaci , Fidan Mehmeti , Wolfgang Kellerer , Florian Schiegg

Star formation is a multi-scale problem, and only global simulations that account for the connection from the molecular cloud scale gas flow to the accreting protostar can reflect the observed complexity of protostellar systems.…

Astrophysics of Galaxies · Physics 2023-07-28 Rami Al-Belmpeisi , Vito Tuhtan , Mikkel Bregning Christensen , Rajika L Kuruwita , Troels Haugbølle

Accurate positioning of underwater robots in confined environments is crucial for inspection and mapping tasks and is also a prerequisite for autonomous operations. Presently, there are no positioning systems available that are suited for…

Robotics · Computer Science 2025-09-11 Xueliang Cheng , Ognjen Marjanovic , Barry Lennox , Keir Groves

Accurate and efficient global ocean state estimation remains a grand challenge for Earth system science, hindered by the dual bottlenecks of computational scalability and degraded data fidelity in traditional data assimilation (DA) and deep…

Machine Learning · Computer Science 2025-11-11 Yanfei Xiang , Yuan Gao , Hao Wu , Quan Zhang , Ruiqi Shu , Xiao Zhou , Xi Wu , Xiaomeng Huang