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Diffusion models are widely used in image generation because they can generate high-quality and realistic samples. This is in contrast to generative adversarial networks (GANs) and variational autoencoders (VAEs), which have some…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Xudong Ling , Chaorong Li , Fengqing Qin , Peng Yang , Yuanyuan Huang

Accurate estimates of surface solar irradiance (SSI) are essential for solar resource assessments and solar energy forecasts in grid integration and building control applications. SSI estimates for spatially extended regions can be…

大气与海洋物理 · 物理学 2026-01-09 K. R. Schuurman , A. Meyer

This paper introduces a new Bayesian approach to the inverse problem of passive microwave rainfall retrieval. The proposed methodology relies on a regularization technique and makes use of two joint dictionaries of coincidental rainfall…

数据分析、统计与概率 · 物理学 2015-01-07 Ardeshir Mohammad Ebtehaj , Rafael Luis Bras , Efi Foufoula-Georgiou

Geometry estimation from perspective images has greatly advanced, maturing to the point where off-the-shelf foundation models are able to reconstruct 3D scene structure not only from multi-view imagery, but even from a single view. A…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Vukasin Bozic , Isidora Slavkovic , Dominik Narnhofer , Nando Metzger , Denis Rozumny , Konrad Schindler , Nikolai Kalischek

When providing the boundary conditions for hydrological flood models and estimating the associated risk, interpolating precipitation at very high temporal resolutions (e.g. 5 minutes) is essential not to miss the cause of flooding in local…

计算机视觉与模式识别 · 计算机科学 2022-03-03 Michiaki Tatsubori , Takao Moriyama , Tatsuya Ishikawa , Paolo Fraccaro , Anne Jones , Blair Edwards , Julian Kuehnert , Sekou L. Remy

Bridging the gap between data-rich training regimes and observation-sparse deployment conditions remains a central challenge in spatiotemporal field reconstruction, particularly when target domains exhibit distributional shifts,…

机器学习 · 计算机科学 2026-01-30 Xingyue Zhang , Yuxuan Bao , Mars Liyao Gao , J. Nathan Kutz

Remote sensing image (RSI) interpretation typically faces challenges due to the scarcity of labeled data, which limits the performance of RSI interpretation tasks. To tackle this challenge, we propose EarthSynth, a diffusion-based…

计算机视觉与模式识别 · 计算机科学 2025-08-08 Jiancheng Pan , Shiye Lei , Yuqian Fu , Jiahao Li , Yanxing Liu , Yuze Sun , Xiao He , Long Peng , Xiaomeng Huang , Bo Zhao

Single image deraining is an urgent task because the degraded rainy image makes many computer vision systems fail to work, such as video surveillance and autonomous driving. So, deraining becomes important and an effective deraining…

图像与视频处理 · 电气工程与系统科学 2020-03-31 Honghe Zhu , Cong Wang , Yajie Zhang , Zhixun Su , Guohui Zhao

Background: Floods are the most common natural disaster in the world, affecting the lives of hundreds of millions. Flood forecasting is therefore a vitally important endeavor, typically achieved using physical water flow simulations, which…

机器学习 · 计算机科学 2021-11-02 Niv Giladi , Zvika Ben-Haim , Sella Nevo , Yossi Matias , Daniel Soudry

Subsurface tile drainage pipes provide agronomic, economic and environmental benefits. By lowering the water table of wet soils, they improve the aeration of plant roots and ultimately increase the productivity of farmland. They do however…

计算机视觉与模式识别 · 计算机科学 2022-11-02 Tom-Lukas Breitkopf , Leonard W. Hackel , Mahdyar Ravanbakhsh , Anne-Karin Cooke , Sandra Willkommen , Stefan Broda , Begüm Demir

Accurate water level forecasting is crucial for managing ecosystems such as the Everglades, a subtropical wetland vital for flood mitigation, drought management, water resource planning, and biodiversity conservation. While recent advances…

机器学习 · 计算机科学 2025-08-08 Rahuul Rangaraj , Jimeng Shi , Rajendra Paudel , Giri Narasimhan , Yanzhao Wu

Meteorological radar reflectivity data (i.e. radar echo) significantly influences precipitation prediction. It can facilitate accurate and expeditious forecasting of short-term heavy rainfall bypassing the need for complex Numerical Weather…

信号处理 · 电气工程与系统科学 2023-11-14 Shengchao Chen , Ting Shu , Huan Zhao , Guo Zhong , Xunlai Chen

Current Synthetic Aperture Radar (SAR)-based flood detection methods face critical limitations that hinder operational deployment. Supervised learning approaches require extensive labeled training data, exhibit poor geographical…

应用统计 · 统计学 2025-10-15 Narumasa Tsutsumida , Tomohiro Tanaka , Nifat Sultana

Remote sensing image super-resolution (RSISR) is a crucial task in remote sensing image processing, aiming to reconstruct high-resolution (HR) images from their low-resolution (LR) counterparts. Despite the growing number of RSISR methods…

图像与视频处理 · 电气工程与系统科学 2025-11-04 Yunliang Qi , Meng Lou , Yimin Liu , Lu Li , Zhen Yang , Wen Nie

Image quality degradation caused by raindrops is one of the most important but challenging problems that reduce the performance of vision systems. Most existing raindrop removal algorithms are based on a supervised learning method using…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Huijiao Wang , Shenghao Zhao , Lei Yu , Xulei Yang

This paper proposes a method for estimating a surface that contains a given set of points from noisy measurements. More precisely, by assuming that the surface is described by the zero set of a function in the span of a given set of…

系统与控制 · 电气工程与系统科学 2026-04-07 Omar M. Sleem , Sahand Kiani , Constantino M. Lagoa

High-quality digital terrain models derived from airborne laser scanning (ALS) data are essential for a wide range of geospatial analyses, and their generation typically relies on robust ground filtering (GF) to separate point clouds across…

计算机视觉与模式识别 · 计算机科学 2026-04-24 Nannan Qin , Pengjie Tao , Haiyan Guan , Zhizhong Kang , Lingfei Ma , Xiangyun Hu , Jonathan Li

We present the Transparent Earth, a transformer-based architecture for reconstructing subsurface properties from heterogeneous datasets that vary in sparsity, resolution, and modality, where each modality represents a distinct type of…

机器学习 · 计算机科学 2025-09-24 Arnab Mazumder , Javier E. Santos , Noah Hobbs , Mohamed Mehana , Daniel O'Malley

Accurate forecasting of river water levels is vital for effectively managing traffic flow and mitigating the risks associated with natural disasters. This task presents challenges due to the intricate factors influencing the flow of a…

机器学习 · 计算机科学 2025-10-21 Sungchul Hong , Yunjin Choi , Jong-June Jeon

This study introduces a novel dataset for segmenting flooded areas in satellite images. After reviewing 77 existing benchmarks utilizing satellite imagery, we identified a shortage of suitable datasets for this specific task. To fill this…

计算机视觉与模式识别 · 计算机科学 2025-08-01 Youngsun Jang , Dongyoun Kim , Chulwoo Pack , Kwanghee Won
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