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Human mobility is a fundamental aspect of social behavior, with broad applications in transportation, urban planning, and epidemic modeling. Represented by the gravity model and the radiation model, established analytical models for…

Physics and Society · Physics 2026-05-07 Hao Guo , Weiyu Zhang , Junjie Yang , Yuanqiao Hou , Lei Dong , Yu Liu

Mobility service route design requires demand information to operate in a service region. Transit planners and operators can access various data sources including household travel survey data and mobile device location logs. However, when…

Artificial Intelligence · Computer Science 2024-09-04 Gyugeun Yoon , Joseph Y. J. Chow

The problem of predicting human motion given a sequence of past observations is at the core of many applications in robotics and computer vision. Current state-of-the-art formulate this problem as a sequence-to-sequence task, in which a…

Computer Vision and Pattern Recognition · Computer Science 2020-03-25 Enric Corona , Albert Pumarola , Guillem Alenyà , Francesc Moreno-Noguer

Deep learning has become a crucial technology for making breakthroughs in many fields. Nevertheless, it still faces two important challenges in theoretical and applied aspects. The first lies in the shortcomings of gradient descent based…

Machine Learning · Computer Science 2024-07-09 Binghong Liu , Ziqi Zhao , Shupan Li , Ke Wang

Human activity recognition (HAR) research has increased in recent years due to its applications in mobile health monitoring, activity recognition, and patient rehabilitation. The typical approach is training a HAR classifier offline with…

Signal Processing · Electrical Eng. & Systems 2021-02-24 Sizhe An , Ganapati Bhat , Suat Gumussoy , Umit Ogras

Few-shot learning is a technique to learn a model with a very small amount of labeled training data by transferring knowledge from relevant tasks. In this paper, we propose a few-shot learning method for wearable sensor based human activity…

Machine Learning · Computer Science 2019-03-26 Siwei Feng , Marco F. Duarte

Nowadays, smartphones are ubiquitous, and almost everyone owns one. At the same time, the rapid development of AI has spurred extensive research on applying deep learning techniques to image classification. However, due to the limited…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Huu-Phong Phan-Nguyen , Anh Dao , Tien-Huy Nguyen , Tuan Quang , Huu-Loc Tran , Tinh-Anh Nguyen-Nhu , Huy-Thach Pham , Quan Nguyen , Hoang M. Le , Quang-Vinh Dinh

Human motion modelling is a classical problem at the intersection of graphics and computer vision, with applications spanning human-computer interaction, motion synthesis, and motion prediction for virtual and augmented reality. Following…

Computer Vision and Pattern Recognition · Computer Science 2017-05-09 Julieta Martinez , Michael J. Black , Javier Romero

High-quality GPS trajectories are essential for location-based web services and smart city applications, including navigation, ride-sharing and delivery. However, due to low sampling rates and limited infrastructure coverage during data…

Machine Learning · Computer Science 2026-03-23 Jinming Wang , Hai Wang , Hongkai Wen , Geyong Min , Man Luo

We present a novel data-driven approach of learning traffic flow patterns of a transportation network given that many instances of origin to destination (OD) travel demand and link flows of the network are available. Instead of estimating…

Machine Learning · Computer Science 2022-02-23 Rezaur Rahman , Samiul Hasan

Since the past few decades, human trajectory forecasting has been a field of active research owing to its numerous real-world applications: evacuation situation analysis, deployment of intelligent transport systems, traffic operations, to…

Computer Vision and Pattern Recognition · Computer Science 2021-01-12 Parth Kothari , Sven Kreiss , Alexandre Alahi

Traffic flow prediction is an integral part of an intelligent transportation system and thus fundamental for various traffic-related applications. Buses are an indispensable way of moving for urban residents with fixed routes and schedules,…

Machine Learning · Computer Science 2022-02-22 Xiangjie Kong , Kailai Wang , Mingliang Hou , Feng Xia , Gour Karmakar , Jianxin Li

Human migration is a type of human mobility, where a trip involves a person moving with the intention of changing their home location. Predicting human migration as accurately as possible is important in city planning applications,…

Social and Information Networks · Computer Science 2017-11-16 Caleb Robinson , Bistra Dilkina

Deep neural networks have recently achieved considerable improvements in learning human behavioral patterns and individual preferences from massive spatial-temporal trajectories data. However, most of the existing research concentrates on…

Machine Learning · Computer Science 2022-11-18 Qiang Gao , Jinyu Hong , Xovee Xu , Ping Kuang , Fan Zhou , Goce Trajcevski

Human mobility research concerns spatiotemporal individual and population movement. Accurate modeling and prediction of human mobility can provide opportunities to monitor, manage and optimize human movement for improved social-economic…

Social and Information Networks · Computer Science 2022-02-15 Liantao Li , Yang Yang

The recent availability of digital traces from Information and Communications Technologies (ICT) has facilitated the study of both individual- and population-level movement with unprecedented spatiotemporal resolution, enabling us to better…

Physics and Society · Physics 2023-10-10 Surendra Hazarie , Hugo Barbosa , Adam Frank , Ronaldo Menezes , Gourab Ghoshal

Recently, deep learning methods have made great progress in traffic prediction, but their performance depends on a large amount of historical data. In reality, we may face the data scarcity issue. In this case, deep learning models fail to…

Machine Learning · Computer Science 2022-07-05 Xueyan Yin , Feifan Li , Yanming Shen , Heng Qi , Baocai Yin

Different observations of a relation between inputs ("sources") and outputs ("targets") are often reported in terms of histograms (discretizations of the source and the target densities). Transporting these densities to each other provides…

Data Analysis, Statistics and Probability · Physics 2019-07-25 Caroline Moosmüller , Felix Dietrich , Ioannis G. Kevrekidis

Most of the proposed person re-identification algorithms conduct supervised training and testing on single labeled datasets with small size, so directly deploying these trained models to a large-scale real-world camera network may lead to…

Computer Vision and Pattern Recognition · Computer Science 2018-03-21 Jianming Lv , Weihang Chen , Qing Li , Can Yang

We propose a sparse-coding framework for activity recognition in ubiquitous and mobile computing that alleviates two fundamental problems of current supervised learning approaches. (i) It automatically derives a compact, sparse and…

Machine Learning · Computer Science 2014-07-24 Sourav Bhattacharya , Petteri Nurmi , Nils Hammerla , Thomas Plötz