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Underwater environments pose significant challenges due to the selective absorption and scattering of light by water, which affects image clarity, contrast, and color fidelity. To overcome these, we introduce OceanLens, a method that models…

Image and Video Processing · Electrical Eng. & Systems 2024-11-21 Rajini Makam , Dhatri Shankari T M , Sharanya Patil , Suresh Sundram

Applications of satellite data in areas such as weather tracking and modeling, ecosystem monitoring, wildfire detection, and land-cover change are heavily dependent on the trade-offs to spatial, spectral and temporal resolutions of…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Thomas Vandal , Ramakrishna Nemani

Deep learning methods have made significant progress in ship detection in synthetic aperture radar (SAR) images. The pretraining technique is usually adopted to support deep neural networks-based SAR ship detectors due to the scarce labeled…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Wei Bao , Meiyu Huang , Yaqin Zhang , Yao Xu , Xuejiao Liu , Xueshuang Xiang

Can satellite data be used to address challenges currently faced by the Offshore Renewable Energy (ORE) sector? What benefit can satellite observations bring to resource assessment and maintenance of ORE farms? Can satellite observations be…

We present ORCAst, a multi-stage, multi-arm network for Operational high-Resolution Current forecAsts over one week. Producing real-time nowcasts and forecasts of ocean surface currents is a challenging problem due to indirect or incomplete…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Pierre Garcia , Inès Larroche , Amélie Pesnec , Hannah Bull , Théo Archambault , Evangelos Moschos , Alexandre Stegner , Anastase Charantonis , Dominique Béréziat

A large variety of geospatial data layers is available around the world ranging from remotely-sensed raster data like satellite imagery, digital elevation models, predicted land cover maps, and human-annotated data, to data derived from…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Arjun Rao , Esther Rolf

We report the outcome of evaluations of the skill of long-range forecasts from the ocean wave model component of the Navy's global coupled modeling system. Specifically, the model output is taken from a single member of the ensemble system,…

Atmospheric and Oceanic Physics · Physics 2025-10-10 W. E. Rogers , M. A. Janiga

We report results from the Eddy Experiment, where a synchronous GPS receiver pair was flown on an aircraft to collect sampled L1 signals and their reflections from the sea surface to investigate the altimetric accuracy of GNSS-R. During the…

Atmospheric and Oceanic Physics · Physics 2007-05-23 G. Ruffini , F. Soulat , M. Caparrini , O. Germain , M. Martin-Neira

We propose a new method for combining in situ buoy measurements with Earth system models (ESMs) to improve the accuracy of temperature predictions in the ocean. The technique utilizes the dynamics \textit{and} modes identified in ESMs…

Atmospheric and Oceanic Physics · Physics 2024-06-21 Derek DeSantis , Ayan Biswas , Earl Lawrence , Phillip Wolfram

Latent heat flux is a primary pathway for ocean-atmosphere exchange of heat and moisture, yet the influence of sea surface temperature variability at fine scales ($\leq$ 100 km) on latent heat flux variability, particularly over the…

Atmospheric and Oceanic Physics · Physics 2026-02-18 Lucie Reymondet , Lia Siegelman , Luc Lenain

Oceanic eddy kinetic energy (EKE) is a key quantity for measuring the intensity of mesoscale eddies and for parameterizing eddy effects in ocean climate models. Three decades of satellite altimetry observations allow a global assessment of…

Atmospheric and Oceanic Physics · Physics 2024-12-17 Chenyue Xie , An-Kang Gao , Xiyun Lu

Submesoscale processes, with spatio-temporal scales of O(0.01-10) km and hours to 1 day which are hardly resolved by current ocean models, are important sub-grid processes in ocean models. Due to the strong vertical currents, submesoscale…

Atmospheric and Oceanic Physics · Physics 2024-03-11 Shuyi Zhou , Jihai Dong , Fanghua Xu , Zhiyou Jing , Changming Dong

We perform an out-of-distribution analysis of ~12,000,000 semi-independent 128x128 pixel^2 SST regions, which we define as cutouts, from all nighttime granules in the MODIS R2019 Level-2 public dataset to discover the most complex or…

Atmospheric and Oceanic Physics · Physics 2023-05-11 J. Xavier Prochaska , Peter C. Cornillon , David M. Reiman

Underwater Image Enhancement (UIE) is essential for robust visual perception in marine applications. However, existing methods predominantly rely on uniform mapping tailored to average dataset distributions, leading to over-processing…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Hang Xu , Chen Long , Bing Wang , Hao Chen , Zhen Dong

Underwater 3D object detection remains one of the most challenging frontiers in computer vision, where traditional approaches struggle with the harsh acoustic environment and scarcity of training data. While deep learning has revolutionized…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 M. Salman Shaukat , Yannik Käckenmeister , Sebastian Bader , Thomas Kirste

Self-supervised learning (SSL) has enabled the development of vision foundation models for Earth Observation (EO), demonstrating strong transferability across diverse remote sensing tasks. While prior work has focused on network…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Thomas Kerdreux , Alexandre Tuel , Quentin Febvre , Alexis Mouche , Bertrand Chapron

In the last 25 years there has been an important increase in the amount of data collected from animal-mounted sensors (bio-probes), which are often used to study the animals' behaviour or environment. We focus here on an example of the…

Applications · Statistics 2019-06-20 Daniel Dinsdale , Matias Salibian-Barrera

In this paper we predict sea surface salinity (SSS) in the Arctic Ocean based on satellite measurements. SSS is a crucial indicator for ongoing changes in the Arctic Ocean and can offer important insights about climate change. We…

Applications · Statistics 2024-04-09 Bora Jin , Amy H. Herring , David Dunson

Reconstructing high-resolution regional significant wave height fields from sparse and uneven buoy observations remains a core challenge for ocean monitoring and risk-aware operations. We introduce AUWave, a hybrid deep learning framework…

Signal Processing · Electrical Eng. & Systems 2025-09-25 Hongyuan Shi , Yilin Zhai , Ping Dong , Zaijin You , Chao Zhan , Qing Wang

Real-time water-level monitoring across many locations is vital for flood response, infrastructure management, and environmental forecasting. Yet many sensing methods rely on fixed instruments - acoustic, radar, camera, or pressure probes -…

Signal Processing · Electrical Eng. & Systems 2025-11-27 Ayoob Salari , Kai Wu , Khawaja Fahad Masood , Y. Jay Guo , J. Andrew Zhang