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Cloud removal is an essential task in remote sensing data analysis. As the image sensors are distant from the earth ground, it is likely that part of the area of interests is covered by cloud. Moreover, the atmosphere in between creates a…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Yi Guo , Feng Li , Zhuo Wang

In this paper, we propose a method for cloud removal from visible light RGB satellite images by extending the conditional Generative Adversarial Networks (cGANs) from RGB images to multispectral images. Satellite images have been widely…

Computer Vision and Pattern Recognition · Computer Science 2017-10-16 Kenji Enomoto , Ken Sakurada , Weimin Wang , Hiroshi Fukui , Masashi Matsuoka , Ryosuke Nakamura , Nobuo Kawaguchi

Satellite images hold great promise for continuous environmental monitoring and earth observation. Occlusions cast by clouds, however, can severely limit coverage, making ground information extraction more difficult. Existing pipelines…

Computer Vision and Pattern Recognition · Computer Science 2019-12-17 Vishnu Sarukkai , Anirudh Jain , Burak Uzkent , Stefano Ermon

For satellite images, the presence of clouds presents a problem as clouds obscure more than half to two-thirds of the ground information. This problem causes many issues for reliability in a noise-free environment to communicate data and…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Dale Chen-Song , Erfan Khalaji , Vaishali Rani

The use of unmanned aerial systems (UASs) has increased tremendously in the current decade. They have significantly advanced remote sensing with the capability to deploy and image the terrain as per required spatial, spectral, temporal, and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Yibin Wang , Wondimagegn Beshah , Padmanava Dash , Haifeng Wang

Satellite images are often contaminated by clouds. Cloud removal has received much attention due to the wide range of satellite image applications. As the clouds thicken, the process of removing the clouds becomes more challenging. In such…

Image and Video Processing · Electrical Eng. & Systems 2020-12-23 Faramarz Naderi Darbaghshahi , Mohammad Reza Mohammadi , Mohsen Soryani

In this report, we have analyzed available cloud detection technique using sentinel hub. We have also implemented spatial attention generative adversarial network and improved quality of generated image compared to previous solution [7].

Computer Vision and Pattern Recognition · Computer Science 2022-01-03 Rutvik Chauhan , Antarpuneet Singh , Sujoy Saha

Imaging the atmosphere using ground-based sky cameras is a popular approach to study various atmospheric phenomena. However, it usually focuses on the daytime. Nighttime sky/cloud images are darker and noisier, and thus harder to analyze.…

Computer Vision and Pattern Recognition · Computer Science 2017-05-31 Soumyabrata Dev , Florian M. Savoy , Yee Hui Lee , Stefan Winkler

Clouds and haze often occlude optical satellite images, hindering continuous, dense monitoring of the Earth's surface. Although modern deep learning methods can implicitly learn to ignore such occlusions, explicit cloud removal as…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Patrick Ebel , Vivien Sainte Fare Garnot , Michael Schmitt , Jan Dirk Wegner , Xiao Xiang Zhu

Rain streaks will inevitably be captured by some outdoor vision systems, which lowers the image visual quality and also interferes various computer vision applications. We present a novel rain removal method in this paper, which consists of…

Computer Vision and Pattern Recognition · Computer Science 2018-12-21 Yinglong Wang , Shuaicheng Liu , Chen Chen , Dehua Xie , Bing Zeng

Cloud removal is a relevant topic in Remote Sensing as it fosters the usability of high-resolution optical images for Earth monitoring and study. Related techniques have been analyzed for years with a progressively clearer view of the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Alessandro Sebastianelli , Artur Nowakowski , Erika Puglisi , Maria Pia Del Rosso , Jamila Mifdal , Fiora Pirri , Pierre Philippe Mathieu , Silvia Liberata Ullo

We propose a novel deep learning method for shadow removal. Inspired by physical models of shadow formation, we use a linear illumination transformation to model the shadow effects in the image that allows the shadow image to be expressed…

Computer Vision and Pattern Recognition · Computer Science 2021-11-10 Hieu Le , Dimitris Samaras

Existing deep learning-based shadow removal methods still produce images with shadow remnants. These shadow remnants typically exist in homogeneous regions with low-intensity values, making them untraceable in the existing image-to-image…

Computer Vision and Pattern Recognition · Computer Science 2024-02-02 Yuhao Liu , Qing Guo , Lan Fu , Zhanghan Ke , Ke Xu , Wei Feng , Ivor W. Tsang , Rynson W. H. Lau

Ground-based whole sky imagers (WSIs) are being used by researchers in various fields to study the atmospheric events. These ground-based sky cameras capture visible-light images of the sky at regular intervals of time. Owing to the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-20 Mayank Jain , Navya Jain , Yee Hui Lee , Stefan Winkler , Soumyabrata Dev

Clouds in satellite images are a deterrent to qualitative and quantitative study. Time compositing methods compare a series of co-registered images and retrieve only those pixels that have comparatively lesser cloud cover for the resultant…

Image and Video Processing · Electrical Eng. & Systems 2024-10-14 Atma Bharathi Mani , Nagashree TR , Manavalan P , Diwakar PG

Rain removal in images/videos is still an important task in computer vision field and attracting attentions of more and more people. Traditional methods always utilize some incomplete priors or filters (e.g. guided filter) to remove rain…

Computer Vision and Pattern Recognition · Computer Science 2019-06-25 Yinglong Wang , Qinfeng Shi , Ehsan Abbasnejad , Chao Ma , Xiaoping Ma , Bing Zeng

Shadow removal is an important computer vision task aiming at the detection and successful removal of the shadow produced by an occluded light source and a photo-realistic restoration of the image contents. Decades of re-search produced a…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Florin-Alexandru Vasluianu , Andres Romero , Luc Van Gool , Radu Timofte

The projection of shadows from moving clouds in the troposphere impacts energy generation in power grids using photovoltaic systems. This investigation proposes an efficient method of data processing for the statistical quantification of…

Instrumentation and Methods for Astrophysics · Physics 2023-09-21 Guillermo Terrén-Serrano , Manel Martínez-Ramón

Optical remote sensing imagery has been widely used in many fields due to its high resolution and stable geometric properties. However, remote sensing imagery is inevitably affected by climate, especially clouds. Removing the cloud in the…

Image and Video Processing · Electrical Eng. & Systems 2020-11-17 Heng Pan

Clouds classification is a great challenge in meteorological research. The different types of clouds, currently known and present in our skies, can produce radioactive effects that impact on the variation of atmospheric conditions, with the…

Image and Video Processing · Electrical Eng. & Systems 2021-03-09 Mario Manzo , Simone Pellino
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