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相关论文: Spatiotemporal Satellite Image Downscaling with Tr…

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Downscaling, or super-resolution, provides decision-makers with detailed, high-resolution information about the potential risks and impacts of climate change, based on climate model output. Machine learning algorithms are proving themselves…

大气与海洋物理 · 物理学 2024-04-30 Robbie A. Watt , Laura A. Mansfield

Satellite data of atmospheric pollutants are often available only at coarse spatial resolution, limiting their applicability in local-scale environmental analysis and decision-making. Spatial downscaling methods aim to transform the coarse…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Mika Sipilä , Sabrina Maggio , Sandra De Iaco , Klaus Nordhausen , Monica Palma , Sara Taskinen

Satellite image analysis has important implications for land use, urbanization, and ecosystem monitoring. Deep learning methods can facilitate the analysis of different satellite modalities, such as electro-optical (EO) and synthetic…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Marcel Hussing , Karen Li , Eric Eaton

The availability of data is limited in some fields, especially for object detection tasks, where it is necessary to have correctly labeled bounding boxes around each object. A notable example of such data scarcity is found in the domain of…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Matteo Paiano , Stefano Martina , Carlotta Giannelli , Filippo Caruso

Downscaling techniques are one of the most prominent applications of Deep Learning (DL) in Earth System Modeling. A robust DL downscaling model can generate high-resolution fields from coarse-scale numerical model simulations, saving the…

机器学习 · 计算机科学 2025-08-28 Elena Tomasi , Gabriele Franch , Marco Cristoforetti

Remote sensing imagery is essential for environmental monitoring, agricultural management, and disaster response. However, data loss due to cloud cover, sensor failures, or incomplete acquisition-especially in high-resolution and…

计算机视觉与模式识别 · 计算机科学 2025-04-17 Zhenyu Yu , Mohd Yamani Inda Idris , Pei Wang

Reliable image transmission over wireless channels is particularly challenging at extremely low transmission rates, where conventional compression and channel coding schemes fail to preserve adequate visual quality. To address this issue,…

信息论 · 计算机科学 2025-10-27 Shengkang Chen , Tong Wu , Zhiyong Chen , Feng Yang , Meixia Tao , Wenjun Zhang

Deep learning offers promising capabilities for the statistical downscaling of climate and weather forecasts, with generative approaches showing particular success in capturing fine-scale precipitation patterns. However, most existing…

机器学习 · 计算机科学 2025-12-02 Paula Harder , Christian Lessig , Matthew Chantry , Francis Pelletier , David Rolnick

Recent advances in generative artificial intelligence have enabled the creation of high-quality synthetic data that closely mimics real-world data. This paper explores the adaptation of the Stable Diffusion 2.0 model for generating…

机器学习 · 计算机科学 2024-05-07 Eugenio Lomurno , Matteo D'Oria , Matteo Matteucci

Semantic segmentation and change detection are two fundamental challenges in remote sensing, requiring models to capture either spatial semantics or temporal differences from satellite imagery. Existing deep learning models often struggle…

计算机视觉与模式识别 · 计算机科学 2026-05-01 Ali Shibli , Andrea Nascetti , Yifang Ban

Climate models are limited by heavy computational costs, often producing outputs at coarse spatial resolutions, while many climate change impact studies require finer scales. Statistical downscaling bridges this gap, and we adapt the…

机器学习 · 计算机科学 2025-11-06 Maryam Alipourhajiagha , Pierre-Louis Lemaire , Youssef Diouane , Julie Carreau

Earth observation satellites like Sentinel-1 (S1) and Sentinel-2 (S2) provide complementary remote sensing (RS) data, but S2 images are often unavailable due to cloud cover or data gaps. To address this, we propose a diffusion model…

计算机视觉与模式识别 · 计算机科学 2025-04-16 Kaan Aydin , Joelle Hanna , Damian Borth

Super resolution offers a way to harness medium even lowresolution but historically valuable remote sensing image archives. Generative models, especially diffusion models, have recently been applied to remote sensing super resolution…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Songxi Yang , Tang Sui , Qunying Huang

Large scale image super-resolution is a challenging computer vision task, since vast information is missing in a highly degraded image, say for example forscale x16 super-resolution. Diffusion models are used successfully in recent years in…

图像与视频处理 · 电气工程与系统科学 2023-12-22 Chun-Chuen Hui , Wan-Chi Siu , Ngai-Fong Law

The acquisition of high-resolution satellite imagery is often constrained by the spatial and temporal limitations of satellite sensors, as well as the high costs associated with frequent observations. These challenges hinder applications…

计算机视觉与模式识别 · 计算机科学 2026-05-06 Luigi Sigillo , Renato Giamba , Danilo Comminiello

Our understanding of the temporal dynamics of the Earth's surface has been advanced by deep vision models, which often require lots of labeled multi-temporal images for training. However, collecting, preprocessing, and annotating…

计算机视觉与模式识别 · 计算机科学 2024-06-27 Zhuo Zheng , Stefano Ermon , Dongjun Kim , Liangpei Zhang , Yanfei Zhong

In this work we reduce undersampling artefacts in two-dimensional ($2D$) golden-angle radial cine cardiac MRI by applying a modified version of the U-net. We train the network on $2D$ spatio-temporal slices which are previously extracted…

图像与视频处理 · 电气工程与系统科学 2019-08-14 Andreas Kofler , Marc Dewey , Tobias Schaeffter , Christian Wald , Christoph Kolbitsch

Spatial fields in the Earth and environmental sciences are often available at multiple scales or resolutions. While coarse-scale data (e.g., from global circulation models) are often abundant, they lack the local detail provided by…

统计方法学 · 统计学 2026-04-01 Alejandro Calle-Saldarriaga , Paul F. V. Wiemann , Matthias Katzfuss

With the rapid development of various sensing devices, spatiotemporal data is becoming increasingly important nowadays. However, due to sensing costs and privacy concerns, the collected data is often incomplete and coarse-grained, limiting…

机器学习 · 计算机科学 2024-10-10 Ziyu Sun , Haoyang Su , En Wang , Funing Yang , Yongjian Yang , Wenbin Liu

Ubiquitous image transmission in emerging applications brings huge overheads to limited wireless resources. Since that text has the characteristic of conveying a large amount of information with very little data, the transmission of the…

多媒体 · 计算机科学 2024-09-26 Xinfeng Wei , Haonan Tong , Nuocheng Yang , Changchuan Yin
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