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Forecasting the formation and development of clouds is a central element of modern weather forecasting systems. Incorrect clouds forecasts can lead to major uncertainty in the overall accuracy of weather forecasts due to their intrinsic…

计算机视觉与模式识别 · 计算机科学 2021-06-17 A. H. Nielsen , A. Iosifidis , H. Karstoft

Clouds play a key role in regulating climate change but are difficult to simulate within Earth system models (ESMs). Improving the representation of clouds is one of the key tasks towards more robust climate change projections. This study…

大气与海洋物理 · 物理学 2024-10-28 A. Kaps , A. Lauer , G. Camps-Valls , P. Gentine , L. Gómez-Chova , V. Eyring

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

Cloud detection is an important preprocessing step for the precise application of optical satellite imagery. In this paper, we propose a deep learning based cloud detection method named multi-scale convolutional feature fusion (MSCFF) for…

计算机视觉与模式识别 · 计算机科学 2019-03-06 Zhiwei Li , Huanfeng Shen , Qing Cheng , Yuhao Liu , Shucheng You , Zongyi He

Deep learning has shown promising results for multiple 3D point cloud registration datasets. However, in the underwater domain, most registration of multibeam echo-sounder (MBES) point cloud data are still performed using classical methods…

计算机视觉与模式识别 · 计算机科学 2024-05-13 Li Ling , Jun Zhang , Nils Bore , John Folkesson , Anna Wåhlin

Clouds play a critical role in the Earth's energy budget and their potential changes are one of the largest uncertainties in future climate projections. However, the use of satellite observations to understand cloud feedbacks in a warming…

大气与海洋物理 · 物理学 2022-11-22 Takuya Kurihana , James Franke , Ian Foster , Ziwei Wang , Elisabeth Moyer

Convection initiation (CI) nowcasting remains a challenging problem for both numerical weather prediction models and existing nowcasting algorithms. In this study, object-based probabilistic deep learning models are developed to predict CI…

大气与海洋物理 · 物理学 2025-07-23 Da Fan , Steven J. Greybush , David John Gagne , Eugene E. Clothiaux

Most ground-based observatories are equipped with wide-angle all-sky cameras to monitor the night sky conditions. Such camera systems can be used to provide early warning of incoming clouds that can pose a danger to the telescope equipment…

天体物理仪器与方法 · 物理学 2020-03-26 Michael Mommert

Clouds play a significant role in global temperature regulation through their effect on planetary albedo. Anthropogenic emissions of aerosols can alter the albedo of clouds, but the extent of this effect, and its consequent impact on…

计算机视觉与模式识别 · 计算机科学 2024-01-29 Muhammad Ahmed Chaudhry , Lyna Kim , Jeremy Irvin , Yuzu Ido , Sonia Chu , Jared Thomas Isobe , Andrew Y. Ng , Duncan Watson-Parris

Segmenting clouds in high-resolution satellite images is an arduous and challenging task due to the many types of geographies and clouds a satellite can capture. Therefore, it needs to be automated and optimized, specially for those who…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Giorgio Morales , Alejandro Ramírez , Joel Telles

Hyperspectral Imaging, employed in satellites for space remote sensing, like HYPSO-1, faces constraints due to few labeled data sets, affecting the training of AI models demanding these ground-truth annotations. In this work, we introduce…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Jon A. Justo , Joseph Garrett , Dennis D. Langer , Marie B. Henriksen , Radu T. Ionescu , Tor A. Johansen

Clouds play an important role in the Earth's energy budget and their behavior is one of the largest uncertainties in future climate projections. Satellite observations should help in understanding cloud responses, but decades and petabytes…

大气与海洋物理 · 物理学 2022-11-15 Takuya Kurihana , Elisabeth Moyer , Ian Foster

We present a deep learning model with temporal memory to detect clouds in image time series acquired by the Seviri imager mounted on the Meteosat Second Generation (MSG) satellite. The model provides pixel-level cloud maps with related…

大气与海洋物理 · 物理学 2020-12-21 Devis Tuia , Benjamin Kellenberger , Adrian Pérez-Suay , Gustau Camps-Valls

Conventional tracking paradigm takes in instantaneous measurements such as range and bearing, and produces object tracks across time. In applications such as autonomous driving, lidar measurements in the form of point clouds are usually…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Lingji Chen

The knowledge of type of precipitating cloud is crucial for radar based quantitative estimates of precipitation. We propose a novel model called CloudSense which uses machine learning to accurately identify the type of precipitating clouds…

大气与海洋物理 · 物理学 2024-05-13 Mehzooz Nizar , Jha K. Ambuj , Manmeet Singh , Vaisakh S. B , G. Pandithurai

Cloud formations often obscure optical satellite-based monitoring of the Earth's surface, thus limiting Earth observation (EO) activities such as land cover mapping, ocean color analysis, and cropland monitoring. The integration of machine…

The detection of clouds in satellite images is an essential preprocessing task for big data in remote sensing. Convolutional neural networks (CNNs) have greatly advanced the state-of-the-art in the detection of clouds in satellite images,…

计算机视觉与模式识别 · 计算机科学 2021-11-24 Joachim Nyborg , Ira Assent

One of the greatest sources of uncertainty in future climate projections comes from limitations in modelling clouds and in understanding how different cloud types interact with the climate system. A key first step in reducing this…

Under any Multiclass Classification (MCC) setting defined by a collection of labeled point-cloud specified by a feature-set, we extract only stochastic partial orderings from all possible triplets of point-cloud without explicitly measuring…

机器学习 · 统计学 2021-04-16 Fushing Hsieh , Xiaodong Wang

This paper considers recognizing products from daily photos, which is an important problem in real-world applications but also challenging due to background clutters, category diversities, noisy labels, etc. We address this problem by two…

计算机视觉与模式识别 · 计算机科学 2019-07-29 Qing Li , Xiaojiang Peng , Liangliang Cao , Wenbin Du , Hao Xing , Yu Qiao
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