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While cloud/sky image segmentation has extensive real-world applications, a large amount of labelled data is needed to train a highly accurate models to perform the task. Scarcity of such volumes of cloud/sky images with corresponding…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Mayank Jain , Conor Meegan , Soumyabrata Dev

The uncertainty of the energy generated by photovoltaic systems incurs an additional cost for a guaranteed, reliable supply of energy (i.e., energy storage). This investigation aims to decrease the additional cost by introducing…

Machine Learning · Computer Science 2023-01-19 Guillermo Terrén-Serrano , Manel Martínez-Ramón

Optical satellite images are a critical data source; however, cloud cover often compromises their quality, hindering image applications and analysis. Consequently, effectively removing clouds from optical satellite images has emerged as a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Xuechao Zou , Kai Li , Junliang Xing , Yu Zhang , Shiying Wang , Lei Jin , Pin Tao

Computers are widely utilized in today's weather forecasting as a powerful tool to leverage an enormous amount of data. Yet, despite the availability of such data, current techniques often fall short of producing reliable detailed storm…

Computer Vision and Pattern Recognition · Computer Science 2017-03-08 Yu Zhang , Stephen Wistar , Jia Li , Michael Steinberg , James Z. Wang

The challenge of the cloud removal task can be alleviated with the aid of Synthetic Aperture Radar (SAR) images that can penetrate cloud cover. However, the large domain gap between optical and SAR images as well as the severe speckle noise…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Fang Xu , Yilei Shi , Patrick Ebel , Lei Yu , Gui-Song Xia , Wen Yang , Xiao Xiang Zhu

We consider the reconstruction of the interface of compact, connected "clouds" from satellite or airborne light intensity measurements. In a two dimensional setting, the cloud is modeled by an interface, locally represented as a graph, and…

Classical Analysis and ODEs · Mathematics 2015-11-11 Guillaume Bal , JiaMing Chen , Anthony Davis

In order to assure a stable series of recorded images of sufficient quality for further scientific analysis, an objective image quality measure is required. Especially when dealing with ground-based observations, which are subject to…

Solar and Stellar Astrophysics · Physics 2020-11-11 Robert Jarolim , Astrid Veronig , Werner Pötzi , Tatiana Podladchikova

Rain effect in images typically is annoying for many multimedia and computer vision tasks. For removing rain effect from a single image, deep leaning techniques have been attracting considerable attentions. This paper designs a novel…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Siyuan LI , Wenqi Ren , Jiawan Zhang , Jinke Yu , Xiaojie Guo

This paper presents a survey and a comparative evaluation of recent techniques for moving cast shadow detection. We identify shadow removal as a critical step for improving object detection and tracking. The survey covers methods published…

Computer Vision and Pattern Recognition · Computer Science 2013-04-05 Andres Sanin , Conrad Sanderson , Brian C. Lovell

Synthetic aperture radar (SAR) images are widely used in target recognition tasks nowadays. In this letter, we propose an automatic approach for radar shadow detection and extraction from SAR images utilizing geometric projections along…

Computer Vision and Pattern Recognition · Computer Science 2014-12-16 V. B. S. Prasath , O. Haddad

Satellite images often contain a significant level of sensitive data compared to ground-view images. That is why satellite images are more likely to be intentionally manipulated to hide specific objects and structures. GAN-based approaches…

Computer Vision and Pattern Recognition · Computer Science 2023-01-30 Hadi Mansourifar , Steven J. Simske

Point clouds are widely used representations of 3D data, but determining the visibility of points from a given viewpoint remains a challenging problem due to their sparse nature and lack of explicit connectivity. Traditional methods, such…

Graphics · Computer Science 2025-09-30 Jun-Hao Wang , Yi-Yang Tian , Baoquan Chen , Peng-Shuai Wang

Removing the rain streaks from single image is still a challenging task, since the shapes and directions of rain streaks in the synthetic datasets are very different from real images. Although supervised deep deraining networks have…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Yanyan Wei , Zhao Zhang , Yang Wang , Haijun Zhang , Mingbo Zhao , Mingliang Xu , Meng Wang

Clouds' efficiency at reflecting solar radiation and trapping the terrestrial one is strongly modulated by their diurnal cycle. Much attention has been paid to mean cloud properties due to their critical role in climate projections;…

Atmospheric and Oceanic Physics · Physics 2018-03-06 Jun Yin , Amilcare Porporato

Ground-penetrating radar on planes and satellites now makes it practical to collect 3D observations of the subsurface structure of the polar ice sheets, providing crucial data for understanding and tracking global climate change. But…

Computer Vision and Pattern Recognition · Computer Science 2017-12-22 Mingze Xu , David J Crandall , Geoffrey C Fox , John D Paden

In this paper, we address a rain removal problem from a single image, even in the presence of heavy rain and rain streak accumulation. Our core ideas lie in the new rain image models and a novel deep learning architecture. We first modify…

Computer Vision and Pattern Recognition · Computer Science 2017-03-14 Wenhan Yang , Robby T. Tan , Jiashi Feng , Jiaying Liu , Zongming Guo , Shuicheng Yan

With the exponential growth in data volume, especially in recent decades, the demand for data processing has surged across all scientific fields. Within astronomical datasets, the combination of solar space missions and ground-based…

Instrumentation and Methods for Astrophysics · Physics 2023-10-03 Mohsen Javaherian , Zahra Eskandari

Varying weather conditions, including rainfall and snowfall, are generally regarded as a challenge for computer vision algorithms. One proposed solution to the challenges induced by rain and snowfall is to artificially remove the rain from…

Computer Vision and Pattern Recognition · Computer Science 2018-10-31 Chris H. Bahnsen , Thomas B. Moeslund

Several supervised networks exist that remove haze information from underwater images using paired datasets and pixel-wise loss functions. However, training these networks requires large amounts of paired data which is cumbersome, complex…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Praveen Kandula , A. N. Rajagopalan

Images used in real-world applications such as image or video retrieval, outdoor surveillance, and autonomous driving suffer from poor weather conditions. When designing robust computer vision systems, removing adverse weather such as haze,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Vladimir Frants , Sos Agaian , Karen Panetta , Peter Huang
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