中文
相关论文

相关论文: Inferring Height from Earth Embeddings: First insi…

200 篇论文

Deep learning (DL) has recently been proposed as a novel approach for 21cm foreground removal. Before applying DL to real observations, it is essential to assess its consistency with established methods, its performance across various…

宇宙学与河外天体物理 · 物理学 2023-11-02 T. Chen , M. Bianco , E. Tolley , M. Spinelli , D. Forero-Sanchez , J. P. Kneib

Though, deep learning based medical image registration is currently starting to show promising advances, often, it still fells behind conventional frameworks in terms of registration accuracy. This is especially true for applications where…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Lasse Hansen , Mattias P. Heinrich

We propose to use deep convolutional neural networks to address the problem of cross-view image geolocalization, in which the geolocation of a ground-level query image is estimated by matching to georeferenced aerial images. We use…

计算机视觉与模式识别 · 计算机科学 2015-10-14 Scott Workman , Richard Souvenir , Nathan Jacobs

This research focuses on assessing the ability of large language models (LLMs) in representing geometries and their spatial relations. We utilize LLMs including GPT-2 and BERT to encode the well-known text (WKT) format of geometries and…

计算与语言 · 计算机科学 2023-07-10 Yuhan Ji , Song Gao

Earth observation offers new insight into anthropogenic changes to nature, and how these changes are effecting (and are effected by) the built environment and the real economy. With the global availability of medium-resolution (10-30m)…

计算机视觉与模式识别 · 计算机科学 2021-02-15 Lucas Kruitwagen

Accurate and timely mapping of flood extent from high-resolution satellite imagery plays a crucial role in disaster management such as damage assessment and relief activities. However, current state-of-the-art solutions are based on U-Net,…

计算机视觉与模式识别 · 计算机科学 2024-09-27 Mirza Tanzim Sami , Da Yan , Saugat Adhikari , Lyuheng Yuan , Jiao Han , Zhe Jiang , Jalal Khalil , Yang Zhou

Active area of research in AI is the theory of manifold learning and finding lower-dimensional manifold representation on how we can learn geometry from data for providing better quality curated datasets. There are however various issues…

机器学习 · 计算机科学 2024-10-16 Liubov Tupikina , Kathuria Hritika

In low altitude UAV communications, accurate channel estimation remains challenging due to the dynamic nature of air to ground links, exacerbated by high node mobility and the use of large scale antenna arrays, which introduce hybrid near…

信息论 · 计算机科学 2025-10-24 Wenli Yuan , Kan Yu , Xiaowu Liu , Kaixuan Li , Qixun Zhang , Zhiyong Feng

Incorporating spatial information, particularly those influenced by climate, weather, and demographic factors, is crucial for improving underwriting precision and enhancing risk management in insurance. However, spatial data are often…

风险管理 · 定量金融 2025-11-25 Freek Holvoet , Christopher Blier-Wong , Katrien Antonio

We present DeepEarth, a self-supervised multi-modal world model with Earth4D, a novel planetary-scale 4D space-time positional encoder. Earth4D extends 3D multi-resolution hash encoding to include time, efficiently scaling across the planet…

Significant efforts have been directed towards adapting self-supervised multimodal learning for Earth observation applications. However, most current methods produce coarse patch-sized embeddings, limiting their effectiveness and…

Accurate, fine-grained poverty maps remain scarce across much of the Global South. While Demographic and Health Surveys (DHS) provide high-quality socioeconomic data, their spatial coverage is limited and reported coordinates are randomly…

机器学习 · 计算机科学 2025-11-04 Markus B. Pettersson , Adel Daoud

Buildings' segmentation is a fundamental task in the field of earth observation and aerial imagery analysis. Most existing deep learning-based methods in the literature can be applied to a fixed or narrow-range spatial resolution imagery.…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Hasan Nasrallah , Mustafa Shukor , Ali J. Ghandour

Accurate building segmentation from high-resolution RGB imagery remains challenging due to spectral similarity with non-building features, shadows, and irregular building geometries. In this study, we present a comprehensive deep learning…

计算机视觉与模式识别 · 计算机科学 2025-05-09 Chintan B. Maniyar , Minakshi Kumar , Gengchen Mai

In deep metric learning (DML), high-level input data are represented in a lower-level representation (embedding) space, such that samples from the same class are mapped close together, while samples from disparate classes are mapped further…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Ryan Furlong , Vincent O'Brien , James Garland , Daniel Palacios-Alonso , Francisco Dominguez-Mateos

Landslides pose severe threats to infrastructure, economies, and human lives, necessitating accurate detection and predictive mapping across diverse geographic regions. With advancements in deep learning and remote sensing, automated…

计算机视觉与模式识别 · 计算机科学 2026-05-20 Rahul A. Burange , Harsh K. Shinde , Omkar Mutyalwar

We use the scattering network as a generic and fixed ini-tialization of the first layers of a supervised hybrid deep network. We show that early layers do not necessarily need to be learned, providing the best results to-date with…

计算机视觉与模式识别 · 计算机科学 2017-04-05 Edouard Oyallon , Eugene Belilovsky , Sergey Zagoruyko

This study explores the use of a digital twin model and deep learning method to build a global terrain and altitude map based on USGS information. The goal is to artistically represent various landforms while incorporating precise elevation…

Inversion techniques are widely used to reconstruct subsurface physical properties (e.g., velocity, conductivity) from surface-based geophysical measurements (e.g., seismic, electric/magnetic (EM) data). The problems are governed by partial…

机器学习 · 计算机科学 2022-06-17 Yinan Feng , Yinpeng Chen , Shihang Feng , Peng Jin , Zicheng Liu , Youzuo Lin

Accurate estimation of building heights using very high resolution (VHR) synthetic aperture radar (SAR) imagery is crucial for various urban applications. This paper introduces a Deep Learning (DL)-based methodology for automated building…

计算机视觉与模式识别 · 计算机科学 2025-07-14 Babak Memar , Luigi Russo , Silvia Liberata Ullo , Paolo Gamba