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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 reduce the amount of data to downlink by pruning the cloudy…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Bartosz Grabowski , Maciej Ziaja , Michal Kawulok , Piotr Bosowski , Nicolas Longépé , Bertrand Le Saux , Jakub Nalepa

Cloud detection in satellite images is an important first-step in many remote sensing applications. This problem is more challenging when only a limited number of spectral bands are available. To address this problem, a deep learning-based…

计算机视觉与模式识别 · 计算机科学 2019-01-30 Sorour Mohajerani , Parvaneh Saeedi

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

Semantic segmentation by convolutional neural networks (CNN) has advanced the state of the art in pixel-level classification of remote sensing images. However, processing large images typically requires analyzing the image in small patches,…

计算机视觉与模式识别 · 计算机科学 2020-08-25 Markku Luotamo , Sari Metsämäki , Arto Klami

This paper presents a deep-learning based framework for addressing the problem of accurate cloud detection in remote sensing images. This framework benefits from a Fully Convolutional Neural Network (FCN), which is capable of pixel-level…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Sorour Mohajerani , Thomas A. Krammer , Parvaneh Saeedi

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…

计算机视觉与模式识别 · 计算机科学 2024-03-04 Loddo Fabio , Dario Piga , Michelucci Umberto , El Ghazouali Safouane

The focus of this paper is using a convolutional machine learning model with a modified U-Net structure for creating land cover classification mapping based on satellite imagery. The aim of the research is to train and test convolutional…

计算机视觉与模式识别 · 计算机科学 2020-03-09 Priit Ulmas , Innar Liiv

This article explores the latest Convolutional Neural Networks (CNNs) for cloud detection aboard hyperspectral satellites. The performance of the latest 1D CNN (1D-Justo-LiuNet) and two recent 2D CNNs (nnU-net and 2D-Justo-UNet-Simple) for…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Daniel Kovac , Jan Mucha , Jon Alvarez Justo , Jiri Mekyska , Zoltan Galaz , Krystof Novotny , Radoslav Pitonak , Jan Knezik , Jonas Herec , Tor Arne Johansen

Cloud and cloud shadow segmentation are fundamental processes in optical remote sensing image analysis. Current methods for cloud/shadow identification in geospatial imagery are not as accurate as they should, especially in the presence of…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Sorour Mohajerani , Parvaneh Saeedi

Recent advancements in meteorology involve the use of ground-based sky cameras for cloud observation. Analyzing images from these cameras helps in calculating cloud coverage and understanding atmospheric phenomena. Traditionally, cloud…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Yijie Li , Hewei Wang , Shaofan Wang , Yee Hui Lee , Muhammad Salman Pathan , Soumyabrata Dev

Climate change has been a common interest and the forefront of crucial political discussion and decision-making for many years. Shallow clouds play a significant role in understanding the Earth's climate, but they are challenging to…

图像与视频处理 · 电气工程与系统科学 2021-07-13 Tashin Ahmed , Noor Hossain Nuri Sabab

This paper presents a neural-network-based solution to recover pixels occluded by clouds in satellite images. We leverage radio frequency (RF) signals in the ultra/super-high frequency band that penetrate clouds to help reconstruct the…

计算机视觉与模式识别 · 计算机科学 2021-06-17 Mingmin Zhao , Peder A. Olsen , Ranveer Chandra

Artifacts in imagery captured by remote sensing, such as clouds, snow, and shadows, present challenges for various tasks, including semantic segmentation and object detection. A primary challenge in developing algorithms for identifying…

计算机视觉与模式识别 · 计算机科学 2020-07-31 Scott Workman , M. Usman Rafique , Hunter Blanton , Connor Greenwell , Nathan Jacobs

Different empirical models have been developed for cloud detection. There is a growing interest in using the ground-based sky/cloud images for this purpose. Several methods exist that perform binary segmentation of clouds. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2019-03-18 Soumyabrata Dev , Shilpa Manandhar , Yee Hui Lee , Stefan Winkler

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…

计算机视觉与模式识别 · 计算机科学 2022-12-23 Dale Chen-Song , Erfan Khalaji , Vaishali Rani

Detecting and identifying objects in satellite images is a very challenging task: objects of interest are often very small and features can be difficult to recognize even using very high resolution imagery. For most applications, this…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Damien Grosgeorge , Maxime Arbelot , Alex Goupilleau , Tugdual Ceillier , Renaud Allioux

This work utilizes a MobileNetV2 Convolutional Neural Network (CNN) for fast, mobile detection of satellites, and rejection of stars, in cluttered unresolved space imagery. First, a custom database is created using imagery from a synthetic…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Jarred Jordan , Daniel Posada , David Zuehlke , Angelica Radulovic , Aryslan Malik , Troy Henderson

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

Cloud segmentation amounts to separating cloud pixels from non-cloud pixels in an image. Current deep learning methods for cloud segmentation suffer from three issues. (a) Constrain on their receptive field due to the fixed size of the…

计算机视觉与模式识别 · 计算机科学 2025-01-28 Yijie Li , Hewei Wang , Jinfeng Xu , Puzhen Wu , Yunzhong Xiao , Shaofan Wang , Soumyabrata Dev

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…

计算机视觉与模式识别 · 计算机科学 2018-10-01 Negin Hayatbini , Kuo-lin Hsu , Soroosh Sorooshian , Yunji Zhang , Fuqing Zhang
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