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Uninterrupted optical image time series are crucial for the timely monitoring of agricultural land changes, particularly in grasslands. However, the continuity of such time series is often disrupted by clouds. In response to this challenge,…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Iason Tsardanidis , Alkiviadis Koukos , Vasileios Sitokonstantinou , Thanassis Drivas , Charalampos Kontoes

The use of Sentinel-2 images to compute Normalized Difference Water Index (NDWI) has many applications, including water body area detection. However, cloud cover poses significant challenges in this regard, which hampers the effectiveness…

计算机视觉与模式识别 · 计算机科学 2025-01-24 Saleh Sakib Ahmed , Saifur Rahman Jony , Md. Toufikuzzaman , Saifullah Sayed , Rashed Uz Zzaman , Sara Nowreen , M. Sohel Rahman

Cloud cover and nighttime conditions remain significant limitations in satellite-based remote sensing, often restricting the availability and usability of multi-spectral imagery. In contrast, Sentinel-1 radar images are unaffected by cloud…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Saleh Sakib Ahmed , Sara Nowreen , M. Sohel Rahman

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

We introduce a novel neural network architecture -- Spectral ENcoder for SEnsor Independence (SEnSeI) -- by which several multispectral instruments, each with different combinations of spectral bands, can be used to train a generalised deep…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Alistair Francis , John Mrziglod , Panagiotis Sidiropoulos , Jan-Peter Muller

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…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Bartosz Grabowski , Maciej Ziaja , Michal Kawulok , Nicolas Longépé , Bertrand Le Saux , Jakub Nalepa

Mapping floods using satellite data is crucial for managing and mitigating flood risks. Satellite imagery enables rapid and accurate analysis of large areas, providing critical information for emergency response and disaster management.…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Jonathan Giezendanner , Rohit Mukherjee , Matthew Purri , Mitchell Thomas , Max Mauerman , A. K. M. Saiful Islam , Beth Tellman

This work has been accepted by IEEE TGRS for publication. The majority of optical observations acquired via spaceborne earth imagery are affected by clouds. While there is numerous prior work on reconstructing cloud-covered information,…

图像与视频处理 · 电气工程与系统科学 2021-07-07 Patrick Ebel , Andrea Meraner , Michael Schmitt , Xiaoxiang Zhu

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

Land Cover (LC) mapping using satellite imagery is critical for environmental monitoring and management. Deep Learning (DL), particularly Convolutional Neural Networks (CNNs) and Vision Transformers (ViTs), have revolutionized this field by…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Luigi Russo , Antonietta Sorriso , Silvia Liberata Ullo , Paolo Gamba

Aerial and satellite imagery are inherently complementary remote sensing sources, offering high-resolution detail alongside expansive spatial coverage. However, the use of these sources for land cover segmentation introduces several…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Anas Berka , Mohamed El Hajji , Raphael Canals , Youssef Es-saady , Adel Hafiane

Semantic segmentation of 3D point clouds is a challenging problem with numerous real-world applications. While deep learning has revolutionized the field of image semantic segmentation, its impact on point cloud data has been limited so…

计算机视觉与模式识别 · 计算机科学 2017-05-10 Felix Järemo Lawin , Martin Danelljan , Patrik Tosteberg , Goutam Bhat , Fahad Shahbaz Khan , Michael Felsberg

Clouds frequently cover the Earth's surface and pose an omnipresent challenge to optical Earth observation methods. The vast majority of remote sensing approaches either selectively choose single cloud-free observations or employ a…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Marc Rußwurm , Marco Körner

Deep learning methods have been successfully applied to remote sensing problems for several years. Among these methods, CNN based models have high accuracy in solving the land classification problem using satellite or aerial images.…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Mehmet Cagri Aksoy , Beril Sirmacek , Cem Unsalan

Clouds are a very important factor in the availability of optical remote sensing images. Recently, deep learning-based cloud detection methods have surpassed classical methods based on rules and physical models of clouds. However, most of…

图像与视频处理 · 电气工程与系统科学 2022-01-05 Jun Li , Zhaocong Wu , Zhongwen Hu , Canliang Jian , Shaojie Luo , Lichao Mou , Xiao Xiang Zhu , Matthieu Molinier

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 potential of using remote sensing imagery for environmental modelling and for providing real time support to humanitarian operations such as hurricane relief efforts is well established. These applications are substantially affected by…

图像与视频处理 · 电气工程与系统科学 2019-11-01 Michael Zotov , Jevgenij Gamper

Deep Neural Networks (DNNs) are getting increasing attention to deal with Land Cover Classification (LCC) relying on Satellite Image Time Series (SITS). Though high performances can be achieved, the rationale of a prediction yielded by a…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Hermann Courteille , A. Benoît , N Méger , A Atto , D. Ienco

In this paper we address the challenge of land cover classification for satellite images via Deep Learning (DL). Land Cover aims to detect the physical characteristics of the territory and estimate the percentage of land occupied by a…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Eleonora Bernasconi , Francesco Pugliese , Diego Zardetto , Monica Scannapieco

We propose DeepMapping, a novel registration framework using deep neural networks (DNNs) as auxiliary functions to align multiple point clouds from scratch to a globally consistent frame. We use DNNs to model the highly non-convex mapping…

计算机视觉与模式识别 · 计算机科学 2019-04-10 Li Ding , Chen Feng
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