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Population aging is one of the most serious problems in certain countries. In order to implement its countermeasures, understanding its rapid progress is of urgency with a granular resolution. However, a detailed and rigorous survey with…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Yuta Sato

Millions of people worldwide are absent from their country's census. Accurate, current, and granular population metrics are critical to improving government allocation of resources, to measuring disease control, to responding to natural…

计算机视觉与模式识别 · 计算机科学 2019-05-08 Wenjie Hu , Jay Harshadbhai Patel , Zoe-Alanah Robert , Paul Novosad , Samuel Asher , Zhongyi Tang , Marshall Burke , David Lobell , Stefano Ermon

Accurate and consistent mapping of urban and rural areas is crucial for sustainable development, spatial planning, and policy design. It is particularly important in simulating the complex interactions between human activities and natural…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Mohammad Kakooei , James Bailie , Markus B. Pettersson , Albin Söderberg , Albin Becevic , Adel Daoud

The crowd counting task aims at estimating the number of people located in an image or a frame from videos. Existing methods widely adopt density maps as the training targets to optimize the point-to-point loss. While in testing phase, we…

计算机视觉与模式识别 · 计算机科学 2020-05-14 Xiyang Liu , Jie Yang , Wenrui Ding

More than one billion people live in slums around the world. In some developing countries, slum residents make up for more than half of the population and lack reliable sanitation services, clean water, electricity, other basic services.…

计算机视觉与模式识别 · 计算机科学 2018-11-21 Shishira R Maiya , Sudharshan Chandra Babu

Time-series remote sensing data offer a rich source of information that can be used in a wide range of applications, from monitoring changes in land cover to surveilling crops, coastal changes, flood risk assessment, and urban sprawl. This…

计算机视觉与模式识别 · 计算机科学 2021-03-03 Wadii Boulila , Hamza Ghandorh , Mehshan Ahmed Khan , Fawad Ahmed , Jawad Ahmad

As a developing country, Fiji is facing rapid urbanisation, which is visible in the massive development projects that include housing, roads, and civil works. In this study, we present machine learning and remote sensing frameworks to…

计算机视觉与模式识别 · 计算机科学 2025-10-03 Yadvendra Gurjar , Ruoni Wan , Ehsan Farahbakhsh , Rohitash Chandra

Population estimation is crucial for various applications, from resource allocation to urban planning. Traditional methods such as surveys and censuses are expensive, time-consuming and also heavily dependent on human resources, requiring…

人工智能 · 计算机科学 2025-09-17 Jai Singla , Peal Jotania , Keivalya Pandya

We introduce a novel machine learning approach to leverage historical and contemporary maps and systematically predict economic statistics. Our simple algorithm extracts meaningful features from the maps based on their color compositions…

综合经济学 · 经济学 2022-04-04 Imryoung Jeong , Hyunjoo Yang

Detecting topographic changes in the urban environment has always been an important task for urban planning and monitoring. In practice, remote sensing data are often available in different modalities and at different time epochs. Change…

计算机视觉与模式识别 · 计算机科学 2018-07-26 Zhenchao Zhang , George Vosselman , Markus Gerke , Devis Tuia , Michael Ying Yang

Forecasting where and when new buildings will emerge is a rather unexplored topic, but one that is very useful in many disciplines such as urban planning, agriculture, resource management, and even autonomous flying. In the present work, we…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Nando Metzger , Mehmet Özgür Türkoglu , Rodrigo Caye Daudt , Jan Dirk Wegner , Konrad Schindler

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

Change detection is a key task in Earth observation applications. Recently, deep learning methods have demonstrated strong performance and widespread application. However, change detection faces data scarcity due to the labor-intensive…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Ziyu Zhou , Keyan Hu , Yutian Fang , Xiaoping Rui

In the last decade, the rapid development of deep learning (DL) has made it possible to perform automatic, accurate, and robust Change Detection (CD) on large volumes of Remote Sensing Images (RSIs). However, despite advances in CD methods,…

计算机视觉与模式识别 · 计算机科学 2025-02-06 Lei Ding , Danfeng Hong , Maofan Zhao , Hongruixuan Chen , Chenyu Li , Jie Deng , Naoto Yokoya , Lorenzo Bruzzone , Jocelyn Chanussot

Spatially consistent and up-to-date maps of human settlements are crucial for addressing policies related to urbanization and sustainability, especially in the era of an increasingly urbanized world.The availability of open and free…

图像与视频处理 · 电气工程与系统科学 2020-10-30 Christina Corbane , Vasileios Syrris , Filip Sabo , Panagiotis Politis , Michele Melchiorri , Martino Pesaresi , Pierre Soille , Thomas Kemper

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

The Copernicus Sentinel-2 program now provides multispectral images at a global scale with a high revisit rate. In this paper we explore the usage of convolutional neural networks for urban change detection using such multispectral images.…

计算机视觉与模式识别 · 计算机科学 2018-10-22 Rodrigo Caye Daudt , Bertrand Le Saux , Alexandre Boulch , Yann Gousseau

The rapid development of Wi-Fi technologies in recent years has caused a significant increase in the traffic usage. Hence, knowledge obtained from Wi-Fi network measurements can be helpful for a more efficient network management. In this…

网络与互联网体系结构 · 计算机科学 2024-08-20 Seyedeh Soheila Shaabanzadeh , Juan Sánchez-González

While annotated images for change detection using satellite imagery are scarce and costly to obtain, there is a wealth of unlabeled images being generated every day. In order to leverage these data to learn an image representation more…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Marrit Leenstra , Diego Marcos , Francesca Bovolo , Devis Tuia

While advances in machine learning with satellite imagery (SatML) are facilitating environmental monitoring at a global scale, developing SatML models that are accurate and useful for local regions remains critical to understanding and…

机器学习 · 计算机科学 2024-11-22 Esther Rolf , Lucia Gordon , Milind Tambe , Andrew Davies