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Image restoration under severe weather is a challenging task. Most of the past works focused on removing rain and haze phenomena in images. However, snow is also an extremely common atmospheric phenomenon that will seriously affect the…

计算机视觉与模式识别 · 计算机科学 2022-07-12 Bodong Cheng , Juncheng Li , Ying Chen , Shuyi Zhang , Tieyong Zeng

Open data is frequently released spatially aggregated, usually to comply with privacy policies. But coarse, heterogeneous aggregations complicate learning and integration for downstream AI/ML systems. In this work, we consider models to…

机器学习 · 计算机科学 2024-08-05 Bin Han , Bill Howe

Reliable and accurate wind speed prediction has significant impact in many industrial sectors such as economic, business and management among others. This paper presents a new model for wind speed prediction based on Graph Attention…

机器学习 · 计算机科学 2021-10-27 Dogan Aykas , Siamak Mehrkanoon

Ahead-of-time forecasting of incident solar-irradiance on a panel is indicative of expected energy yield and is essential for efficient grid distribution and planning. Traditionally, these forecasts are based on meteorological physics…

计算机视觉与模式识别 · 计算机科学 2019-01-16 Talha A. Siddiqui , Samarth Bharadwaj , Shivkumar Kalyanaraman

With the increasing availability of meteorological data from various sensors, numerical models and reanalysis products, the need for efficient data integration methods has become paramount for improving weather forecasts and…

Global navigation satellite systems (GNSS) station-based Precipitation Nowcasting aims to predict rainfall within the next 0-6 hours by leveraging a GNSS station's historical observations of precipitation, GNSS-PWV, and related…

Short-term precipitation nowcasting is an inherently uncertain and under-constrained spatiotemporal forecasting problem, especially for rapidly evolving and extreme weather events. Existing generative approaches rely primarily on visual…

机器学习 · 计算机科学 2026-05-15 Xudong Ling , Chaorong Li , Tianxi Huang , Qian Dong , Guiduo Duan

Convective storm nowcasting has attracted substantial attention in various fields. Existing methods under a deep learning framework rely primarily on radar data. Although they perform nowcast storm advection well, it is still challenging to…

计算机视觉与模式识别 · 计算机科学 2020-03-10 Wei Zhang , Lei Han , Juanzhen Sun , Hanyang Guo , Jie Dai

With its vast expanse, exceeding that of Western Europe by twice, the Amazon rainforest stands as the largest forest of the Earth, holding immense importance in global climate regulation. Yet, deforestation detection from remote sensing…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Carla Nascimento Neves , Raul Queiroz Feitosa , Mabel X. Ortega Adarme , Gilson Antonio Giraldi

Due to its cloud-penetrating capability and independence from solar illumination, satellite Synthetic Aperture Radar (SAR) is the preferred data source for large-scale flood mapping, providing global coverage and including various land…

计算机视觉与模式识别 · 计算机科学 2024-06-07 Jie Zhao , Zhitong Xiong , Xiao Xiang Zhu

Pakistan experienced an unusually severe flood season between June and December 2025, with cascading impacts on population, infrastructure, and agriculture. Existing operational flood products (e.g., UNOSAT) provide valuable episode-level…

大气与海洋物理 · 物理学 2026-05-13 Usman Nazir , Disha Gomathinayagam , Muhammad Kamran , Sara Khalid

Climate change has been a common interest and the forefront of crucial political discussion and decision-making for many years. Shallow clouds play a significant role in understanding the Earth's climate, but they are challenging to…

图像与视频处理 · 电气工程与系统科学 2021-07-13 Tashin Ahmed , Noor Hossain Nuri Sabab

Precipitation data collected at sub-hourly resolution represents specific challenges for missing data recovery by being largely stochastic in nature and highly unbalanced in the duration of rain vs non-rain. Here we present a two-step…

Floods wreak havoc throughout the world, causing billions of dollars in damages, and uprooting communities, ecosystems and economies. The NASA Impact Flood Detection competition tasked participants with predicting flooded pixels after…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Sayak Paul , Siddha Ganju

Various Vision Transformer (ViT) models have been widely used for image recognition tasks. However, existing visual explanation methods can not display the attention flow hidden inside the inner structure of ViT models, which explains how…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Yi Liao , Yongsheng Gao , Weichuan Zhang

Recent years have witnessed great success of convolutional neural network (CNN) for various problems both in low and high level visions. Especially noteworthy is the residual network which was originally proposed to handle high-level vision…

计算机视觉与模式识别 · 计算机科学 2017-12-07 Yudong Liang , Ze Yang , Kai Zhang , Yihui He , Jinjun Wang , Nanning Zheng

Nowadays, modern Earth Observation systems continuously generate huge amounts of data. A notable example is represented by the Sentinel-2 mission, which provides images at high spatial resolution (up to 10m) with high temporal revisit…

计算机视觉与模式识别 · 计算机科学 2018-09-21 Roberto Interdonato , Dino Ienco , Raffaele Gaetano , Kenji Ose

In the past few years, Artificial Intelligence (AI)-based weather forecasting methods have widely demonstrated strong competitiveness among the weather forecasting systems. However, these methods are insufficient for high-spatial-resolution…

大气与海洋物理 · 物理学 2024-11-18 Xujun Wei , Feng Zhang , Renhe Zhang , Wenwen Li , Cuiping Liu , Bin Guo , Jingwei Li , Haoyang Fu , Xu Tang

Small unmanned aircraft systems (sUAS) are becoming prominent components of many humanitarian assistance and disaster response (HADR) operations. Pairing sUAS with onboard artificial intelligence (AI) substantially extends their utility in…

计算机视觉与模式识别 · 计算机科学 2022-01-26 Daniel Davila , Joseph VanPelt , Alexander Lynch , Adam Romlein , Peter Webley , Matthew S. Brown

The heavy-tailed nature of precipitation intensity impedes precise precipitation nowcasting. Standard models that optimize pixel-wise losses are prone to regression-to-the-mean bias, which blurs extreme values. Existing Fourier-based…

大气与海洋物理 · 物理学 2026-02-03 Baitian Liu , Haiping Zhang , Huiling Yuan , Dongjing Wang , Ying Li , Feng Chen , Hao Wu