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Global data assimilation enables weather forecasting at all scales and provides valuable data for studying the Earth system. However, the computational demands of physics-based algorithms used in operational systems limits the volume and…

Machine Learning · Computer Science 2024-07-17 Thomas J. Vandal , Kate Duffy , Daniel McDuff , Yoni Nachmany , Chris Hartshorn

Being able to effectively identify clouds and monitor their evolution is one important step toward more accurate quantitative precipitation estimation and forecast. In this study, a new gradient-based cloud-image segmentation technique is…

Computer Vision and Pattern Recognition · Computer Science 2018-10-01 Negin Hayatbini , Kuo-lin Hsu , Soroosh Sorooshian , Yunji Zhang , Fuqing Zhang

Monitoring land cover using remote sensing is vital for studying environmental changes and ensuring global food security through crop yield forecasting. Specifically, multitemporal remote sensing imagery provides relevant information about…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Amanda A. Boatswain Jacques , Abdoulaye Baniré Diallo , Etienne Lord

We introduce a novel framework for Continual Learning in 3D object classification. Our approach, CL3D, is based on the selection of prototypes from each class using spectral clustering. For non-Euclidean data such as point clouds, spectral…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Hossein Resani , Behrooz Nasihatkon , Mohammadreza Alimoradi Jazi

Satellites equipped with optical sensors capture high-resolution imagery, providing valuable insights into various environmental phenomena. In recent years, there has been a surge of research focused on addressing some challenges in remote…

Computer Vision and Pattern Recognition · Computer Science 2024-03-04 Loddo Fabio , Dario Piga , Michelucci Umberto , El Ghazouali Safouane

Accurate cloud recognition and warning are crucial for various applications, including in-flight support, weather forecasting, and climate research. However, recent deep learning algorithms have predominantly focused on detecting cloud…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Jiaqing Zhang , Jie Lei , Weiying Xie , Kai Jiang , Mingxiang Cao , Yunsong Li

Physics-based numerical models have been the bedrock of atmospheric sciences for decades, offering robust solutions but often at the cost of significant computational resources. Deep learning (DL) models have emerged as powerful tools in…

We present a framework for cloud characterization that leverages modern unsupervised deep learning technologies. While previous neural network-based cloud classification models have used supervised learning methods, unsupervised learning…

Optical satellite sensors cannot see the Earth's surface through clouds. Despite the periodic revisit cycle, image sequences acquired by Earth observation satellites are therefore irregularly sampled in time. State-of-the-art methods for…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Nando Metzger , Mehmet Ozgur Turkoglu , Stefano D'Aronco , Jan Dirk Wegner , Konrad Schindler

Boulders form from a variety of geological processes, which their size, shape, and orientation may help us better understand. Furthermore, they represent potential hazards to spacecraft landing that need to be characterized. However,…

Clustering is a powerful tool which has been used in several forecasting works, such as time series forecasting, real time storm detection, flood forecasting and so on. In this paper, a generic methodology for weather forecasting is…

Computers and Society · Computer Science 2014-06-19 Sanjay Chakraborty , N. K. Nagwani , Lopamudra Dey

Mapping and monitoring crops is a key step towards sustainable intensification of agriculture and addressing global food security. A dataset like ImageNet that revolutionized computer vision applications can accelerate development of novel…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 Rahul Ghosh , Praveen Ravirathinam , Xiaowei Jia , Ankush Khandelwal , David Mulla , Vipin Kumar

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…

Artificial Intelligence · Computer Science 2023-06-07 Lei Chen , Fei Du , Yuan Hu , Fan Wang , Zhibin Wang

Distributing government relief efforts after a flood is challenging. In India, the crops are widely affected by floods; therefore, making rapid and accurate crop damage assessment is crucial for effective post-disaster agricultural…

Computer Vision and Pattern Recognition · Computer Science 2026-01-08 Sanidhya Ghosal , Anurag Sharma , Sushil Ghildiyal , Mukesh Saini

Line of sight satellite systems, unmanned aerial vehicles, high-altitude platforms, and microwave links that operate on frequency bands such as Ka-band or higher are extremely susceptible to rain. Thus, rain fade forecasting for these…

Machine Learning · Computer Science 2021-10-05 Aidin Ferdowsi , David Whitefield

Cloud detection is a pivotal satellite image pre-processing step that can be performed both on the ground and on board a satellite to tag useful images. In the latter case, it can help to reduce the amount of data to downlink by pruning the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Bartosz Grabowski , Maciej Ziaja , Michal Kawulok , Nicolas Longépé , Bertrand Le Saux , Jakub Nalepa

Change detection (CD) is essential for various real-world applications, such as urban management and disaster assessment. Numerous CD methods have been proposed, and considerable results have been achieved recently. However, detecting…

Computer Vision and Pattern Recognition · Computer Science 2024-10-21 Zhenglai Li , Chang Tang , Xinwang Liu , Xingchen Hu , Xianju Li , Ning Li , Changdong Li

Data mining is a popular concept of mined necessary data from a large set of data. Data mining using clustering is a powerful way to analyze data and gives prediction. In this paper non structural time series data is used to forecast daily…

Databases · Computer Science 2015-01-27 Ratul Dey Sanjay Chakraborty Lopamudra Dey

Cloud detection in remote sensing imagery is a fundamental, critical, and highly challenging problem. Existing deep learning-based cloud detection methods generally formulate it as a single-stage pixel-wise binary segmentation task with one…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Jiajun Yang , Keyan Chen , Zhengxia Zou , Zhenwei Shi

Precipitation nowcasting, which predicts rainfall up to a few hours ahead, is a critical tool for vulnerable communities in the Global South frequently exposed to intense, rapidly developing storms. Timely forecasts provide a crucial window…