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Urban heatwaves, droughts, and land degradation are pressing and growing challenges in the context of climate change. A valuable approach to studying them requires accurate spatio-temporal information on land surface conditions. One of the…

Machine Learning · Computer Science 2025-08-01 Sofiane Bouaziz , Adel Hafiane , Raphael Canals , Rachid Nedjai

Sea surface height (SSH) is a key geophysical parameter for monitoring and studying meso-scale surface ocean dynamics. For several decades, the mapping of SSH products at regional and global scales has relied on nadir satellite altimeters,…

Machine Learning · Computer Science 2023-02-15 Quentin Febvre , Clément Ubelmann , Julien Le Sommer , Ronan Fablet

Hyperspectral target detection (HTD) identifies objects of interest from complex backgrounds at the pixel level, playing a vital role in Earth observation. However, HTD faces challenges due to limited prior knowledge and spectral variation,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Dunbin Shen , Xuanbing Zhu , Jiacheng Tian , Jianjun Liu , Zhenrong Du , Hongyu Wang , Xiaorui Ma

The reconstruction of ocean subsurface temperature (OST) using satellite remote sensing data holds significant scientific value for advancing the understanding of ocean dynamics and climate variability. However, the scarcity of subsurface…

Atmospheric and Oceanic Physics · Physics 2026-05-05 Ming Shan Loo , Wengen Li , Xudong Jiang , Hailiang Cheng , Zhifei Zhang , Jihong Guan , Yichao Zhang

A dataset of sea surface temperature (SST) estimates is generated from the temperature observations of surface drifting buoys of NOAA's Global Drifter Program. Estimates of SST at regular hourly time steps along drifter trajectories are…

Atmospheric and Oceanic Physics · Physics 2022-09-01 Shane Elipot , Adam Sykulski , Rick Lumpkin , Luca Centurioni , Mayra Pazos

Chinese opera is celebrated for preserving classical art. However, early filming equipment limitations have degraded videos of last-century performances by renowned artists (e.g., low frame rates and resolution), hindering archival efforts.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Hua Chang , Xin Xu , Wei Liu , Wei Wang , Xin Yuan , Kui Jiang

Metasurfaces, consisting of large arrays of interacting subwavelength scatterers, pose significant challenges for general-purpose computational methods due to their large electric dimensions and multiscale nature. This paper introduces an…

Computational Physics · Physics 2024-10-07 Emanuele Corsaro , Giovanni Miano , Antonello Tamburrino , Salvatore Ventre , Carlo Forestiere

Foundation models refer to deep learning models pretrained on large unlabeled datasets through self-supervised algorithms. In the Earth science and remote sensing communities, there is growing interest in transforming the use of Earth…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Chuc Man Duc , Hiromichi Fukui

Human activity recognition (HAR) from inertial sensors is essential for ubiquitous computing, mobile health, and ambient intelligence. Conventional deep models such as Convolutional Neural Networks (CNNs), Recurrent Neural Networks (RNNs),…

Human-Computer Interaction · Computer Science 2025-11-27 Thai-Khanh Nguyen , Uyen Vo , Tan M. Nguyen , Thieu N. Vo , Trung-Hieu Le , Cuong Pham

We describe, analyze and validate the recently developed Alfv\'en Wave Solar Model (AWSoM), a 3D global model starting from the top of the chromosphere and extending into interplanetary space (up to 1-2 AU). This model solves the extended…

Solar and Stellar Astrophysics · Physics 2014-01-06 R. Oran , B. van der Holst , E. Landi , M. Jin , I. V. Sokolov , T. I. Gombosi

Recent advancements in sRGB-to-RAW de-rendering have increasingly emphasized metadata-driven approaches to reconstruct RAW data from sRGB images, supplemented by partial RAW information. In image-based de-rendering, metadata is commonly…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Hongjun Chen , Wencheng Han , Huan Zheng , Jianbing Shen

For multivariate time series (MTS) tasks, previous state space models (SSMs) followed the modeling paradigm of Transformer-based methods. However, none of them explicitly model the complex dependencies of MTS: the Channel Dependency…

Machine Learning · Computer Science 2024-10-02 Haixiang Wu

Reconstructing degraded images is a critical task in image processing. Although CNN and Transformer-based models are prevalent in this field, they exhibit inherent limitations, such as inadequate long-range dependency modeling and high…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Rui Deng , Tianpei Gu

This paper presents and investigates a novel methodology for validating high-resolution ocean models using satellite imagery. High-resolution ocean models provide detailed information in coastal areas where other available data products are…

Atmospheric and Oceanic Physics · Physics 2025-01-28 G. Garcia-Sanchez , A. M. Mancho , A. G. Ramos , J. Coca , J. A. Jimenez-Madrid

The upcoming Surface Water Ocean Topography (SWOT) satellite altimetry mission is expected to yield two-dimensional high-resolution measurements of Sea Surface Height (SSH), thus allowing for a better characterization of the mesoscale and…

Atmospheric and Oceanic Physics · Physics 2020-05-05 Redouane Lguensat , Ronan Fablet , Julien Le Sommer , Sammy Metref , Emmanuel Cosme , Kaouther Ouenniche , Lucas Drumetz , Jonathan Gula

This paper presents a novel Diffusion-Wavelet (DiWa) approach for Single-Image Super-Resolution (SISR). It leverages the strengths of Denoising Diffusion Probabilistic Models (DDPMs) and Discrete Wavelet Transformation (DWT). By enabling…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Brian Moser , Stanislav Frolov , Federico Raue , Sebastian Palacio , Andreas Dengel

Long-term multivariate time series forecasting (LTSF) plays a crucial role in various high-performance computing applications, including real-time energy grid management and large-scale traffic flow simulation. However, existing solutions…

Machine Learning · Computer Science 2026-02-03 Qianyang Li , Xingjun Zhang , Shaoxun Wang , Jia Wei , Yueqi Xing

State-Space Models (SSMs) have proven to be powerful tools for modeling long-range dependencies in sequential data. While the recent method known as HiPPO has demonstrated strong performance, and formed the basis for machine learning models…

Image and Video Processing · Electrical Eng. & Systems 2025-05-20 Hossein Babaei , Mel White , Sina Alemohammad , Richard G. Baraniuk

State space models (SSMs) with selection mechanisms and hardware-aware architectures, namely Mamba, have recently demonstrated significant promise in long-sequence modeling. Since the self-attention mechanism in transformers has quadratic…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Hanwei Zhang , Ying Zhu , Dan Wang , Lijun Zhang , Tianxiang Chen , Zi Ye

Currently the semantic segmentation task of multispectral remotely sensed imagery (MSRSI) faces the following problems: 1) Usually, only single domain feature (i.e., space domain or frequency domain) is considered; 2) downsampling operation…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Chang Li , Pengfei Zhang , Yu Wang