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In the fast developing countries it is hard to trace new buildings construction or old structures destruction and, as a result, to keep the up-to-date cadastre maps. Moreover, due to the complexity of urban regions or inconsistency of data…

计算机视觉与模式识别 · 计算机科学 2020-07-27 Stefano Zorzi , Ksenia Bittner , Friedrich Fraundorfer

Satellite imaging is a critical technology for monitoring and responding to natural disasters such as flooding. Despite the capabilities of modern satellites, there is still much to be desired from the perspective of first response…

图像与视频处理 · 电气工程与系统科学 2020-01-17 Gonzalo Mateo-Garcia , Silviu Oprea , Lewis Smith , Josh Veitch-Michaelis , Guy Schumann , Yarin Gal , Atılım Güneş Baydin , Dietmar Backes

Developing countries usually lack the proper governance means to generate and regularly update a national rooftop map. Using traditional photogrammetry and surveying methods to produce a building map at the federal level is costly and time…

计算机视觉与模式识别 · 计算机科学 2024-05-06 Hasan Nasrallah , Abed Ellatif Samhat , Cristiano Nattero , Ali J. Ghandour

Global Navigation Satellite Systems typically perform poorly in urban environments, where the likelihood of line-of-sight conditions between devices and satellites is low. Therefore, alternative location methods are required to achieve good…

机器学习 · 计算机科学 2023-04-11 Çağkan Yapar , Ron Levie , Gitta Kutyniok , Giuseppe Caire

Many areas of the world are without basic information on the socioeconomic well-being of the residing population due to limitations in existing data collection methods. Overhead images obtained remotely, such as from satellite or aircraft,…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Ethan Brewer , Giovani Valdrighi , Parikshit Solunke , Joao Rulff , Yurii Piadyk , Zhonghui Lv , Jorge Poco , Claudio Silva

The goal of our project is to use satellite data (including nighttime light data and remote sensing images) to give us some statistical estimation of the economic development level of a selected area (Singapore). Findings from the project…

机器学习 · 计算机科学 2024-11-08 Yijian Pan , Yongchang Ma , Bolin Shen , Linyang He

This work presents an approach for combining household demographic and living standards survey questions with features derived from satellite imagery to predict the poverty rate of a region. Our approach utilizes visual features obtained…

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

The UN Sustainable Development Goals allude to the importance of infrastructure quality in three of its seventeen goals. However, monitoring infrastructure quality in developing regions remains prohibitively expensive and impedes efforts to…

计算机与社会 · 计算机科学 2018-11-02 Barak Oshri , Annie Hu , Peter Adelson , Xiao Chen , Pascaline Dupas , Jeremy Weinstein , Marshall Burke , David Lobell , Stefano Ermon

Regularly updated and accurate land cover maps are essential for monitoring 14 of the 17 Sustainable Development Goals. Multispectral satellite imagery provide high-quality and valuable information at global scale that can be used to…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Hamed Alemohammad , Kevin Booth

In low and middle income countries, household surveys are a valuable source of information for a range of health and demographic indicators. Increasingly, subnational estimates are required for targeting interventions and evaluating…

统计方法学 · 统计学 2020-09-21 Katie Wilson , Jon Wakefield

Hyperspectral images show similar statistical properties to natural grayscale or color photographic images. However, the classification of hyperspectral images is more challenging because of the very high dimensionality of the pixels and…

计算机视觉与模式识别 · 计算机科学 2015-04-13 Gustavo Camps-Valls , Devis Tuia , Lorenzo Bruzzone , Jón Atli Benediktsson

Nowadays, modern Earth Observation systems continuously collect massive amounts of satellite information. The unprecedented possibility to acquire high resolution Satellite Image Time Series (SITS) data (series of images with high revisit…

计算机视觉与模式识别 · 计算机科学 2020-05-01 Dino Ienco , Yawogan Jean Eudes Gbodjo , Roberto Interdonato , Raffaele Gaetano

Rapid globalization and the interdependence of humanity that engender tremendous in-flow of human migration towards the urban spaces. With advent of high definition satellite images, high resolution data, computational methods such as deep…

Low Earth Orbit satellite Internet has recently been deployed, providing worldwide service with non-terrestrial networks. With the large-scale deployment of both non-terrestrial and terrestrial networks, limited spectrum resources will not…

网络与互联网体系结构 · 计算机科学 2024-05-27 Haoxuan Yuan , Zhe Chen , Zheng Lin , Jinbo Peng , Zihan Fang , Yuhang Zhong , Zihang Song , Yue Gao

The Sentinel-2 satellite mission delivers multi-spectral imagery with 13 spectral bands, acquired at three different spatial resolutions. The aim of this research is to super-resolve the lower-resolution (20 m and 60 m Ground Sampling…

计算机视觉与模式识别 · 计算机科学 2018-10-23 Charis Lanaras , José Bioucas-Dias , Silvano Galliani , Emmanuel Baltsavias , Konrad Schindler

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

The technological advancements of deep learning have enabled sophisticated face manipulation schemes, raising severe trust issues and security concerns in modern society. Generally speaking, detecting manipulated faces and locating the…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Chenqi Kong , Baoliang Chen , Haoliang Li , Shiqi Wang , Anderson Rocha , Sam Kwong

Purpose of review: This paper presents a review of the current state of the art in remote sensing based monitoring of forest disturbances and forest degradation from optical Earth Observation data. Part one comprises an overview of…

计算机视觉与模式识别 · 计算机科学 2017-03-23 Manuela Hirschmugl , Heinz Gallaun , Matthias Dees , Pawan Datta , Janik Deutscher , Nikos Koutsias , Mathias Schardt

While measuring socioeconomic indicators is critical for local governments to make informed policy decisions, such measurements are often unavailable at fine-grained levels like municipality. This study employs deep learning-based…

计算机与社会 · 计算机科学 2023-09-06 Donghyun Ahn , Minhyuk Song , Seungeon Lee , Yubin Choi , Jihee Kim , Sangyoon Park , Hyunjoo Yang , Meeyoung Cha