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Related papers: PD-SEG: Population Disaggregation Using Deep Segme…

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Urbanization has a strong impact on the health and wellbeing of populations across the world. Predictive spatial modeling of urbanization therefore can be a useful tool for effective public health planning. Many spatial urbanization models…

Machine Learning · Computer Science 2021-12-20 Tang Li , Jing Gao , Xi Peng

Deep learning occupies an undisputed dominance in crowd counting. In this paper, we propose a novel convolutional neural network (CNN) architecture called SegCrowdNet. Despite the complex background in crowd scenes, the proposeSegCrowdNet…

Computer Vision and Pattern Recognition · Computer Science 2022-04-18 Jiwei Chen , Zengfu Wang

Body-Mass-Index (BMI) conveys important information about one's life such as health and socio-economic conditions. Large-scale automatic estimation of BMIs can help predict several societal behaviors such as health, job opportunities,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-26 Nadeem Yousaf , Sarfaraz Hussein , Waqas Sultani

State-of-the-art methods for counting people in crowded scenes rely on deep networks to estimate crowd density. They typically use the same filters over the whole image or over large image patches. Only then do they estimate local scale to…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Weizhe Liu , Mathieu Salzmann , Pascal Fua

In the last several years, remote sensing technology has opened up the possibility of performing large scale building detection from satellite imagery. Our work is some of the first to create population density maps from building detection…

Computer Vision and Pattern Recognition · Computer Science 2017-07-28 Amy Zhang , Xianming Liu , Andreas Gros , Tobias Tiecke

Generic face detection algorithms do not perform very well in the mobile domain due to significant presence of occluded and partially visible faces. One promising technique to handle the challenge of partial faces is to design face…

Computer Vision and Pattern Recognition · Computer Science 2018-07-19 Upal Mahbub , Sayantan Sarkar , Rama Chellappa

We propose a new method to count objects of specific categories that are significantly smaller than the ground sampling distance of a satellite image. This task is hard due to the cluttered nature of scenes where different object categories…

Computer Vision and Pattern Recognition · Computer Science 2018-09-21 Andres C. Rodriguez , Jan D. Wegner

State-of-the-art methods for counting people in crowded scenes rely on deep networks to estimate crowd density. While effective, deep learning approaches are vulnerable to adversarial attacks, which, in a crowd-counting context, can lead to…

Computer Vision and Pattern Recognition · Computer Science 2020-03-19 Weizhe Liu , Mathieu Salzmann , Pascal Fua

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…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Yuta Sato

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…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Mohammad Kakooei , James Bailie , Markus B. Pettersson , Albin Söderberg , Albin Becevic , Adel Daoud

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…

Image and Video Processing · Electrical Eng. & Systems 2020-10-30 Christina Corbane , Vasileios Syrris , Filip Sabo , Panagiotis Politis , Michele Melchiorri , Martino Pesaresi , Pierre Soille , Thomas Kemper

The existing crowd counting models require extensive training data, which is time-consuming to annotate. To tackle this issue, we propose a simple yet effective crowd counting method by utilizing the Segment-Everything-Everywhere Model…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Jia Wan , Qiangqiang Wu , Wei Lin , Antoni B. Chan

High quality census data are not always available in developing countries. Instead, mobile phone data are becoming a trending proxy to evaluate population density, activity and social characteristics. They offer additional advantages for…

Physics and Society · Physics 2019-09-18 Hadrien Salat , Zbigniew Smoreda , Markus Schläpfer

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…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Eleonora Bernasconi , Francesco Pugliese , Diego Zardetto , Monica Scannapieco

Crowd counting is a challenging yet critical task in computer vision with applications ranging from public safety to urban planning. Recent advances using Convolutional Neural Networks (CNNs) that estimate density maps have shown…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Abhinav Sagar

A substantial share of the Earth's land surface is managed by humans, with cities representing the most extreme form of anthropogenic land use. There are zillion ways in which settlements can be arranged across a given area, and their…

Modern crowd counting methods usually employ deep neural networks (DNN) to estimate crowd counts via density regression. Despite their significant improvements, the regression-based methods are incapable of providing the detection of…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Yuting Liu , Miaojing Shi , Qijun Zhao , Xiaofang Wang

While extremely useful (e.g., for COVID-19 forecasting and policy-making, urban mobility analysis and marketing, and obtaining business insights), location data collected from mobile devices often contain data from a biased population…

Machine Learning · Computer Science 2024-02-20 Sepanta Zeighami , Cyrus Shahabi

While nowadays deep neural networks achieve impressive performances on semantic segmentation tasks, they are usually trained by optimizing pixel-wise losses such as cross-entropy. As a result, the predictions outputted by such networks…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Yifu Chen , Arnaud Dapogny , Matthieu Cord

The aim of crowd counting is to estimate the number of people in images by leveraging the annotation of center positions for pedestrians' heads. Promising progresses have been made with the prevalence of deep Convolutional Neural Networks.…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Zhi-Qi Cheng , Jun-Xiu Li , Qi Dai , Xiao Wu , Alexander Hauptmann