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There has been great progress in improving numerical weather prediction and climate models using machine learning. However, most global models act at a kilometer-scale, making it challenging to model individual clouds and factors such as…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Jacob Lin , Edward Gryspeerdt , Ronald Clark

The state of the art for physical hazard prediction from weather and climate requires expensive km-scale numerical simulations driven by coarser resolution global inputs. Here, a generative diffusion architecture is explored for downscaling…

Cloud types, as a type of meteorological data, are of particular significance for evaluating changes in rainfall, heatwaves, water resources, floods and droughts, food security and vegetation cover, as well as land use. In order to…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Longfeng Nie , Yuntian Chen , Mengge Du , Changqi Sun , Dongxiao Zhang

Accurate weather forecasting is critical for science and society. Yet, existing methods have not managed to simultaneously have the properties of high accuracy, low uncertainty, and high computational efficiency. On one hand, to quantify…

机器学习 · 计算机科学 2025-05-06 Jimeng Shi , Bowen Jin , Jiawei Han , Sundararaman Gopalakrishnan , Giri Narasimhan

High-resolution time series data are crucial for the operation and planning of energy systems such as electrical power systems and heating systems. Such data often cannot be shared due to privacy concerns, necessitating the use of synthetic…

机器学习 · 计算机科学 2025-06-19 Nan Lin , Peter Palensky , Pedro P. Vergara

Satellite-derived Land Surface Temperature (LST) products are central to surface urban heat island (SUHI) monitoring due to their consistent grid-based coverage over large metropolitan regions. However, cloud contamination frequently…

计算机视觉与模式识别 · 计算机科学 2025-12-22 Arya Chavoshi , Hassan Dashtian , Naveen Sudharsan , Dev Niyogi

Deterministic regression-based downscaling models for climate variables often suffer from spectral bias, which can be mitigated by generative models like diffusion models. To enable efficient and reliable simulation of extreme weather…

机器学习 · 计算机科学 2025-03-14 Rahul Sundar , Yucong Hu , Nishant Parashar , Antoine Blanchard , Boyko Dodov

Uncertainty quantification is crucial to decision-making. A prominent example is probabilistic forecasting in numerical weather prediction. The dominant approach to representing uncertainty in weather forecasting is to generate an ensemble…

机器学习 · 计算机科学 2023-10-10 Lizao Li , Rob Carver , Ignacio Lopez-Gomez , Fei Sha , John Anderson

Hyperspectral Image (HSI) classification is an important issue in remote sensing field with extensive applications in earth science. In recent years, a large number of deep learning-based HSI classification methods have been proposed.…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Ning Chen , Jun Yue , Leyuan Fang , Shaobo Xia

Diffusion models achieve great success in generating diverse and high-fidelity images, yet their widespread application, especially in real-time scenarios, is hampered by their inherently slow generation speed. The slow generation stems…

计算机视觉与模式识别 · 计算机科学 2024-08-19 Shengkun Tang , Yaqing Wang , Caiwen Ding , Yi Liang , Yao Li , Dongkuan Xu

Images captured in challenging environments--such as nighttime, smoke, rainy weather, and underwater--often suffer from significant degradation, resulting in a substantial loss of visual quality. The effective restoration of these degraded…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Wenfeng Huang , Guoan Xu , Wenjing Jia , Stuart Perry , Guangwei Gao

Point cloud completion aims to recover the complete 3D shape of an object from partial observations. While approaches relying on synthetic shape priors achieved promising results in this domain, their applicability and generalizability to…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Başak Melis Öcal , Maxim Tatarchenko , Sezer Karaoglu , Theo Gevers

This study investigates the application of deep-learning diffusion models for the super-resolution of weather data, a novel approach aimed at enhancing the spatial resolution and detail of meteorological variables. Leveraging the…

机器学习 · 计算机科学 2024-09-02 Jan Martinů , Petr Šimánek

Generative diffusion priors have recently achieved state-of-the-art performance in natural image super-resolution, demonstrating a powerful capability to synthesize photorealistic details. However, their direct application to remote sensing…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Enzhuo Zhang , Sijie Zhao , Dilxat Muhtar , Zhenshi Li , Xueliang Zhang , Pengfeng Xiao

High-resolution precipitation forecasts are crucial for providing accurate weather prediction and supporting effective responses to extreme weather events. Traditional numerical models struggle with stochastic subgrid-scale processes, while…

机器学习 · 计算机科学 2025-01-07 Shuangshuang He , Hongli Liang , Yuanting Zhang , Xingyuan Yuan

A recent report from the World Meteorological Organization (WMO) highlights that water-related disasters have caused the highest human losses among natural disasters over the past 50 years, with over 91\% of deaths occurring in low-income…

机器学习 · 计算机科学 2025-01-14 Ting-Yu Dai , Hayato Ushijima-Mwesigwa

Extracting keypoint locations from input hand frames, known as 3D hand pose estimation, is a critical task in various human-computer interaction applications. Essentially, the 3D hand pose estimation can be regarded as a 3D point subset…

计算机视觉与模式识别 · 计算机科学 2024-04-05 Wencan Cheng , Hao Tang , Luc Van Gool , Jong Hwan Ko

Diffusion Models have shown remarkable proficiency in image and video synthesis. As model size and latency increase limit user experience, hybrid edge-cloud collaborative framework was recently proposed to realize fast inference and…

计算机视觉与模式识别 · 计算机科学 2025-07-18 Jiajian Xie , Shengyu Zhang , Zhou Zhao , Fan Wu , Fei Wu

Frequent, high-resolution remote sensing imagery is crucial for agricultural and environmental monitoring. Satellites from the Landsat collection offer detailed imagery at 30m resolution but with lower temporal frequency, whereas missions…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Bharath Irigireddy , Varaprasad Bandaru

Accurate four-dimensional (4D) precipitation information is essential for understanding the Earth's energy and water cycles, yet remains observationally unresolved at global scales. Conventional theory holds that geostationary infrared…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Tianchi Xu , Ziqiang Ma , Andrea Marinoni , Yuanpeng He , Xiaoqing Li , Chuanfeng Zhao , Kang He , Jintao Xu , Bohan Zhou , Wenbo Zhao , Haoshuang Chen , Tun Wang , Dongdong Wang , Yang Hong
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