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Urban downscaling is a link to transfer the knowledge from coarser climate information to city scale assessments. These high-resolution assessments need multiyear climatology of past data and future projections, which are complex and…

In an era of escalating climate change, urban flooding has emerged as a critical challenge for sustainable cities, threatening lives, infrastructure, and ecosystems. Traditional flood detection methods are constrained by their reliance on…

计算机视觉与模式识别 · 计算机科学 2025-09-11 Shahid Shafi Dar , Bharat Kaurav , Arnav Jain , Chandravardhan Singh Raghaw , Mohammad Zia Ur Rehman , Nagendra Kumar

Understanding Greenland's subglacial topography is critical for projecting the future mass loss of the ice sheet and its contribution to global sea-level rise. However, the complex and sparse nature of observational data, particularly…

计算机视觉与模式识别 · 计算机科学 2025-09-04 Bayu Adhi Tama , Mansa Krishna , Homayra Alam , Mostafa Cham , Omar Faruque , Gong Cheng , Jianwu Wang , Mathieu Morlighem , Vandana Janeja

Given the widespread availability of grids of models for stellar atmospheres, it is necessary to recover intermediate atmospheric models by means of accurate techniques that go beyond simple linear interpolation and capture the intricacies…

天体物理仪器与方法 · 物理学 2023-07-26 C. Westendorp Plaza , A. Asensio Ramos , C. Allende Prieto

This paper introduces a novel methodology for generating controlled, multi-level dust concentrations in a highly cluttered environment representative of harsh, enclosed environments, such as underground mines, road tunnels, or collapsed…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Zhenan Liu , Yaodong Cui , Amir Khajepour , George Shaker

Clouds frequently cover the Earth's surface and pose an omnipresent challenge to optical Earth observation methods. The vast majority of remote sensing approaches either selectively choose single cloud-free observations or employ a…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Marc Rußwurm , Marco Körner

Recognition of occluded objects in unseen indoor environments is a challenging problem for mobile robots. This work proposes a new slicing-based topological descriptor that captures the 3D shape of object point clouds to address this…

计算机视觉与模式识别 · 计算机科学 2022-05-17 Ekta U. Samani , Ashis G. Banerjee

Recent advancements in Diffusion Transformer (DiT) models have significantly improved 3D point cloud generation. However, existing methods primarily focus on local feature extraction while overlooking global topological information, such as…

计算机视觉与模式识别 · 计算机科学 2025-05-15 Zechao Guan , Feng Yan , Shuai Du , Lin Ma , Qingshan Liu

Deep learning has revolutionized weather forecasting, but many challenges remain, including climate modeling. Moreover, the current landscape remains fragmented: highly specialized models are typically trained individually for distinct…

Short- or mid-term rainfall forecasting is a major task with several environmental applications such as agricultural management or flood risk monitoring. Existing data-driven approaches, especially deep learning models, have shown…

信号处理 · 电气工程与系统科学 2021-01-13 Vincent Bouget , Dominique Béréziat , Julien Brajard , Anastase Charantonis , Arthur Filoche

The present work introduces a deep learning approach for the three-dimensional reconstruction of the spatio-temporal dynamics of the gas-liquid interface in two-phase flows on the basis of monocular images obtained via optical measurement…

流体动力学 · 物理学 2023-10-25 Maximilian Dreisbach , Jochen Kriegseis , Alexander Stroh

Since rainy weather always degrades image quality and poses significant challenges to most computer vision-based intelligent systems, image de-raining has been a hot research topic. Fortunately, in a rainy light field (LF) image, background…

计算机视觉与模式识别 · 计算机科学 2025-06-25 Tao Yan , Weijiang He , Chenglong Wang , Cihang Wei , Xiangjie Zhu , Yinghui Wang , Rynson W. H. Lau

As a common weather, rain streaks adversely degrade the image quality. Hence, removing rains from an image has become an important issue in the field. To handle such an ill-posed single image deraining task, in this paper, we specifically…

图像与视频处理 · 电气工程与系统科学 2022-12-27 Hong Wang , Qi Xie , Qian Zhao , Yuexiang Li , Yong Liang , Yefeng Zheng , Deyu Meng

Accurate near-real-time precipitation retrieval has been enhanced by satellite-based technologies. However, infrared-based algorithms have low accuracy due to weak relations with surface precipitation, whereas passive microwave and…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Zheng Wang , Kai Ying , Bin Xu , Chunjiao Wang , Cong Bai

Precipitation nowcasting, which aims to precisely predict the short-term rainfall intensity of a local region, is gaining increasing attention in the artificial intelligence community. Existing deep learning-based algorithms use a single…

计算机视觉与模式识别 · 计算机科学 2019-11-26 Yuan Cao , Qiuying Li , Hongming Shan , Zhizhong Huang , Lei Chen , Leiming Ma , Junping Zhang

Satellite-derived data products and climate model simulations of geophysical variables like precipitation, often exhibit systematic biases compared to in-situ measurements. Bias correction and spatial downscaling are fundamental components…

机器学习 · 计算机科学 2026-02-16 Sumanta Chandra Mishra Sharma , Adway Mitra , Auroop Ratan Ganguly

Human activities accelerate consumption of fossil fuels and produce greenhouse gases, resulting in urgent issues today: global warming and the climate change. These indirectly cause severe natural disasters, plenty of lives suffering and…

Current global precipitation estimates from spaceborne precipitation radars are limited by their sensitivity to light and frozen precipitation, leading to systematic underestimation of precipitation at high latitudes. Because passive…

大气与海洋物理 · 物理学 2026-05-11 Simon Pfreundschuh , Christian D. Kummerow

Precipitation governs Earth's hydroclimate, and its daily spatiotemporal fluctuations have major socioeconomic effects. Advances in Numerical weather prediction (NWP) have been measured by the improvement of forecasts for various physical…

Recent advances in automotive four-dimensional (4D) Radar have enabled access to raw 4D Radar Tensor (4DRT), offering richer spatial and Doppler information than conventional point clouds. While most existing methods rely on heavily…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Seung-Hyun Song , Dong-Hee Paek , Minh-Quan Dao , Ezio Malis , Seung-Hyun Kong