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相关论文: Four-hour thunderstorm nowcasting using a deep dif…

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Deep neural networks have made great achievements in rainfall prediction.However, the current forecasting methods have certain limitations, such as with blurry generated images and incorrect spatial positions. To overcome these challenges,…

计算机视觉与模式识别 · 计算机科学 2024-02-21 XuDong Ling , ChaoRong Li , FengQing Qin , LiHong Zhu , Yuanyuan Huang

Accurate precipitation nowcasting is crucial for applications such as flood prediction, disaster management, agriculture optimization, and transportation management. While many studies have approached this task using sequence-to-sequence…

机器学习 · 计算机科学 2024-12-10 Lorand Vatamany , Siamak Mehrkanoon

The generation of initial conditions via accurate data assimilation is crucial for weather forecasting and climate modeling. We propose DiffDA as a denoising diffusion model capable of assimilating atmospheric variables using predicted…

计算工程、金融与科学 · 计算机科学 2024-06-11 Langwen Huang , Lukas Gianinazzi , Yuejiang Yu , Peter D. Dueben , Torsten Hoefler

Latent diffusion models (LDMs) suffer from limited diffusability in high-resolution (<=0.25{\deg}) ensemble weather forecasting, where diffusability characterizes how easily a latent data distribution can be modeled by a diffusion process.…

人工智能 · 计算机科学 2026-02-16 Lianjun Wu , Shengchen Zhu , Yuxuan Liu , Liuyu Kai , Xiaoduan Feng , Duomin Wang , Wenshuo Liu , Jingxuan Zhang , Kelvin Li , Bin Wang

Deep learning has been successfully applied to precipitation nowcasting. In this work, we propose a pre-training scheme and a new loss function for improving deep-learning-based nowcasting. First, we adapt U-Net, a widely-used deep-learning…

计算机视觉与模式识别 · 计算机科学 2022-03-14 Jihoon Ko , Kyuhan Lee , Hyunjin Hwang , Seok-Geun Oh , Seok-Woo Son , Kijung Shin

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…

In climate science and meteorology, high-resolution local precipitation (rain and snowfall) predictions are limited by the computational costs of simulation-based methods. Statistical downscaling, or super-resolution, is a common workaround…

计算机视觉与模式识别 · 计算机科学 2024-06-21 Prakhar Srivastava , Ruihan Yang , Gavin Kerrigan , Gideon Dresdner , Jeremy McGibbon , Christopher Bretherton , Stephan Mandt

Reliable long-term forecasting of Earth system dynamics is fundamentally limited by instabilities in current artificial intelligence (AI) models during extended autoregressive simulations. These failures often originate from inherent…

Data-driven medium-range weather forecasting has attracted much attention in recent years. However, the forecasting accuracy at high resolution is unsatisfactory currently. Pursuing high-resolution and high-quality weather forecasting, we…

人工智能 · 计算机科学 2023-06-07 Lei Chen , Fei Du , Yuan Hu , Fan Wang , Zhibin Wang

During the era of global warming and highly urbanized development, extreme and high impact weather as well as air pollution incidents influence everyday life and might even cause the incalculable loss of life and property. Although with the…

大气与海洋物理 · 物理学 2023-04-05 Jun Gu , Jiawang Feng , Xiaoyu Hao , Tao Fang , Chun Zhao , Hong An , Junshi Chen , Mingyue Xu , Jian Li , Wenting Han , Chao Yang , Fang Li , Dexun Chen

Accurate weather forecasts are critical for societal planning and disaster preparedness. Yet these forecasts remain challenging to produce and evaluate, especially in regions with sparse observational coverage. Current evaluation of…

大气与海洋物理 · 物理学 2025-09-30 Aman Gupta , Aditi Sheshadri , Dhruv Suri

Weather forecasting requires not only accuracy but also the ability to perform probabilistic prediction. However, deterministic weather forecasting methods do not support probabilistic predictions, and conversely, probabilistic models tend…

计算机视觉与模式识别 · 计算机科学 2023-12-06 Donggeun Yoon , Minseok Seo , Doyi Kim , Yeji Choi , Donghyeon Cho

Deep learning has significantly improved the accuracy of precipitation nowcasting. However, most existing multimodal models typically use simple channel concatenation or interpolation methods for data fusion, which often overlook the…

机器学习 · 计算机科学 2026-03-17 Henan Wang , Shengwu Xiong , Yifang Zhang , Wenjie Yin , Chen Zhou , Yuqiang Zhang , Pengfei Duan

Modern deep learning techniques, which mimic traditional numerical weather prediction (NWP) models and are derived from global atmospheric reanalysis data, have caused a significant revolution within a few years. In this new paradigm, our…

人工智能 · 计算机科学 2024-02-14 Minjong Cheon , Daehyun Kang , Yo-Hwan Choi , Seon-Yu Kang

Accurate reconstruction of ocean is essential for reflecting global climate dynamics and supporting marine meteorological research. Conventional methods face challenges due to sparse data, algorithmic complexity, and high computational…

计算机视觉与模式识别 · 计算机科学 2025-06-13 Yuanyi Song , Pumeng Lyu , Ben Fei , Fenghua Ling , Wanli Ouyang , Lei Bai

As climate change drives increased frequency and intensity of extreme precipitation and flooding worldwide, posing escalating threats to public safety and economic assets, accurate and real-time satellite-based precipitation estimation is…

大气与海洋物理 · 物理学 2025-12-18 Zijiang Song , Ting Liu , Lina Yuan , Yuying Li , Ao Xu , Xigang Sun , Ye Li , Feng Lu , Min Liu

Weather forecasts are fundamentally uncertain, so predicting the range of probable weather scenarios is crucial for important decisions, from warning the public about hazardous weather, to planning renewable energy use. Here, we introduce…

Accurate forecasting of extreme weather events such as heavy rainfall or storms is critical for risk management and disaster mitigation. Although high-resolution radar observations have spurred extensive research on nowcasting models,…

机器学习 · 计算机科学 2026-02-09 Changhoon Song , Teng Yuan Chang , Youngjoon Hong

Multi-modal 3D object detection is important for reliable perception in robotics and autonomous driving. However, its effectiveness remains limited under adverse weather conditions due to weather-induced distortions and misalignment between…

计算机视觉与模式识别 · 计算机科学 2025-12-19 Zhijian He , Feifei Liu , Yuwei Li , Zhanpeng Luo , Jintao Cheng , Xieyuanli Chen , Xiaoyu Tang

In this paper, we apply a recently developed nonparametric modeling approach, the "diffusion forecast", to predict the time-evolution of Fourier modes of turbulent dynamical systems. While the diffusion forecasting method assumes the…

混沌动力学 · 物理学 2016-03-23 Tyrus Berry , John Harlim