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Cities are characterized by the coexistence of general aggregate patterns, along with many local variations. This poses challenges for analyses of urban phenomena, which tend to be either too aggregated or too local, depending on the…

物理与社会 · 物理学 2025-09-30 Luís M. A. Bettencourt , Ivanna Rodriguez , Jordan T. Kemp , José Lobo

Recent advances in deep learning, particularly neural networks, have significantly impacted a wide range of fields, including the automatic enhancement of underwater images. This paper presents a deep learning-based approach to improving…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Jose M. Montero , Jose-Luis Lisani

Small area models are mixed effects regression models that link the small areas and borrow strength from similar domains. When the auxiliary variables used in the models are measured with error, small area estimators that ignore the…

统计方法学 · 统计学 2018-10-23 Serena Arima , Silvia Polettini

Satellite imagery is widely used in many application sectors, including agriculture, navigation, and urban planning. Frequently, satellite imagery involves both large numbers of images as well as high pixel counts, making satellite datasets…

计算机视觉与模式识别 · 计算机科学 2021-05-27 Joshua Abraham , Calden Wloka

The Sustainable Development Goals (SDGs) aim to resolve societal challenges, such as eradicating poverty and improving the lives of vulnerable populations in impoverished areas. Those areas rely on road infrastructure construction to…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Yanxin Xi , Yu Liu , Zhicheng Liu , Sasu Tarkoma , Pan Hui , Yong Li

In this work, we investigate the use of OpenStreetMap data for semantic labeling of Earth Observation images. Deep neural networks have been used in the past for remote sensing data classification from various sensors, including…

计算机视觉与模式识别 · 计算机科学 2017-05-18 Nicolas Audebert , Bertrand Le Saux , Sébastien Lefèvre

In many rural areas of low- and middle-income countries, weekly gatherings of buyers and sellers are the most tangible manifestation of the market economy. Knowing these markets' whereabouts and activity over time could provide insights in…

综合经济学 · 经济学 2026-01-12 Tillmann von Carnap , Reza M. Asiyabi , Paul Dingus , Anna Tompsett

We examine the challenge of estimating the location of a single ground-level image in the absence of GPS or other location metadata. Currently, geolocation systems are evaluated by measuring the Great Circle Distance between the predicted…

计算机视觉与模式识别 · 计算机科学 2024-09-19 Michael J. Bianco , David Eigen , Michael Gormish

This paper integrates deep neural networks (DNNs) into structural economic models to increase flexibility and capture rich heterogeneity while preserving interpretability. Economic structure and machine learning are complements in empirical…

计量经济学 · 经济学 2025-04-28 Max H. Farrell , Tengyuan Liang , Sanjog Misra

Object detection in high-resolution satellite imagery is emerging as a scalable alternative to on-the-ground survey data collection in many environmental and socioeconomic monitoring applications. However, performing object detection over…

计算机视觉与模式识别 · 计算机科学 2021-12-17 Chenlin Meng , Enci Liu , Willie Neiswanger , Jiaming Song , Marshall Burke , David Lobell , Stefano Ermon

Hyperspectral imaging provides precise classification for land use and cover due to its exceptional spectral resolution. However, the challenges of high dimensionality and limited spatial resolution hinder its effectiveness. This study…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Shivam Pande

Satellite imagery has emerged as an important tool to analyse demographic, health, and development indicators. While various deep learning models have been built for these tasks, each is specific to a particular problem, with few standard…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Makkunda Sharma , Fan Yang , Duy-Nhat Vo , Esra Suel , Swapnil Mishra , Samir Bhatt , Oliver Fiala , William Rudgard , Seth Flaxman

Change detection plays an important role in most video-based applications. The first stage is to build appropriate background model, which is now becoming increasingly complex as more sophisticated statistical approaches are introduced to…

计算机视觉与模式识别 · 计算机科学 2014-05-27 Dong Liang , Shun'ichi Kaneko

Keypoint detection and description is fundamental yet important in many vision applications. Most existing methods use detect-then-describe or detect-and-describe strategy to learn local features without considering their context…

计算机视觉与模式识别 · 计算机科学 2020-06-02 Siyu Hong , Kunhong Li , Yongcong Zhang , Zhiheng Fu , Mengyi Liu , Yulan Guo

Gentrification--the transformation of a low-income urban area caused by the influx of affluent residents--has many revitalizing benefits. However, it also poses extremely concerning challenges to low-income residents. To help policymakers…

计算机与社会 · 计算机科学 2023-12-29 Javad Eshtiyagh , Baotong Zhang , Yujing Sun , Linhui Wu , Zhao Wang

Today, generalized linear mixed models are broadly used in many fields. However, the development of tools for performing simultaneous inference has been largely neglected in this domain. A framework for joint inference is indispensable to…

应用统计 · 统计学 2021-07-12 Katarzyna Reluga , María-José Lombardía , Stefan Sperlich

The interest for change detection in the field of remote sensing has increased in the last few years. Searching for changes in satellite images has many useful applications, ranging from land cover and land use analysis to anomaly…

计算机视觉与模式识别 · 计算机科学 2021-07-14 Antonio Di Pilato , Nicolò Taggio , Alexis Pompili , Michele Iacobellis , Adriano Di Florio , Davide Passarelli , Sergio Samarelli

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

Multilevel models (mixed-effect models or hierarchical linear models) are now a standard approach to analysing clustered and longitudinal data in the social, behavioural and medical sciences. This review article focuses on multilevel linear…

统计方法学 · 统计学 2019-07-16 George Leckie

In many developing nations, a lack of poverty data prevents critical humanitarian organizations from responding to large-scale crises. Currently, socioeconomic surveys are the only method implemented on a large scale for organizations and…

机器学习 · 计算机科学 2023-03-01 Om Shah , Krti Tallam