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Health outcomes depend on complex environmental and sociodemographic factors whose effects change over location and time. Only recently has fine-grained spatial and temporal data become available to study these effects, namely the MEDSAT…

机器学习 · 计算机科学 2025-01-07 Ishaan Maitra , Raymond Lin , Eric Chen , Jon Donnelly , Sanja Šćepanović , Cynthia Rudin

Bird migration is an adaptive behavior ultimately aiming at optimizing survival and reproductive success. We propose an optimal switching model to study bird migration, where birds' migration behaviors can be efficiently modeled as…

最优化与控制 · 数学 2025-01-14 Jiawei Chu , King-Yeung Lam , Boyu Wang , Tong Wang

Predicting the next visited location of an individual is a key problem in human mobility analysis, as it is required for the personalization and optimization of sustainable transport options. Here, we propose a transformer decoder-based…

机器学习 · 计算机科学 2022-10-31 Ye Hong , Henry Martin , Martin Raubal

The scan statistic sets the benchmark for spatio-temporal surveillance methods with its popularity. In its simplest form it scans the target area and time to find regions with disease count higher than expected. If the shape and size of the…

应用统计 · 统计学 2013-10-01 Ross Sparks , Adrien Ickowicz

Highly pathogenic avian influenza (HPAI), especially the H5N1 strain, remains a major threat to animal health, food security, and public health. Recent spillover events in dairy cattle in the United States, linked to wild birds, highlight…

种群与进化 · 定量生物学 2025-08-19 H. O. Fatoyinbo , P. Tiwari , P. O. Olanipekun , I. Ghosh

In this paper, we present a new tracking architecture with an encoder-decoder transformer as the key component. The encoder models the global spatio-temporal feature dependencies between target objects and search regions, while the decoder…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Bin Yan , Houwen Peng , Jianlong Fu , Dong Wang , Huchuan Lu

Spatio-temporal pathogen spread is often partially observed at the metapopulation scale. Available data correspond to proxies and are incomplete, censored and heterogeneous. Moreover, representing such biological systems often leads to…

种群与进化 · 定量生物学 2023-12-04 Gaël Beaunée , Pauline Ezanno , Alain Joly , Pierre Nicolas , Elisabeta Vergu

Transformer-based foundation models have achieved remarkable progress in tasks such as time-series forecasting and image segmentation. However, they frequently suffer from error accumulation in multivariate long-sequence prediction and…

机器学习 · 计算机科学 2026-02-04 Hua Wang , Jinghao Lu , Fan Zhang

Forecasting vehicle behavior within complex traffic environments is pivotal within Intelligent Transportation Systems (ITS). Though this technology plays a significant role in alleviating the prevalent operational difficulties in logistics…

机器人学 · 计算机科学 2025-01-03 Ouhan Huang , Huanle Rao , Xiaowen Cai , Tianyun Wang , Aolong Sun , Sizhe Xing , Yifan Sun , Gangyong Jia

Infectious diseases usually originate from a specific location within a city. Due to the heterogenous distribution of population and public facilities, and the structural heterogeneity of human mobility network embedded in space, infectious…

物理与社会 · 物理学 2022-04-25 Kang Liu , Ling Yin , Jianzhang Xue

The in-the-wild affective behavior analysis has been an important study. In this paper, we submit our solutions for the 5th Workshop and Competition on Affective Behavior Analysis in-the-wild (ABAW), which includes V-A Estimation, Facial…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Peng Zou , Rui Wang , Kehua Wen , Yasi Peng , Xiao Sun

This paper aims to study the prediction of the bank stability index based on the Time Series Transformer model. The bank stability index is an important indicator to measure the health status and risk resistance of financial institutions.…

风险管理 · 定量金融 2024-12-06 Wenying Sun , Zhen Xu , Wenqing Zhang , Kunyuan Ma , You Wu , Mengfang Sun

The spread of invasive species can have far reaching environmental and ecological consequences. Understanding invasion spread patterns and the underlying process driving invasions are key to predicting and managing invasions. We combine a…

统计方法学 · 统计学 2018-10-12 Joshua Goldstein , Jaewoo Park , Murali Haran , Andrew Liebhold , Ottar N. Bjornstad

Predicting human mobility holds significant practical value, with applications ranging from enhancing disaster risk planning to simulating epidemic spread. In this paper, we present the GeoFormer, a decoder-only transformer model adapted…

机器学习 · 计算机科学 2023-11-10 Aivin V. Solatorio

Stochastic process models for spatiotemporal data underlying random fields find substantial utility in a range of scientific disciplines. Subsequent to predictive inference on the values of the random field (or spatial surface indexed…

统计方法学 · 统计学 2024-07-26 Aritra Halder , Didong Li , Sudipto Banerjee

Glaucoma is one of the major eye diseases that leads to progressive optic nerve fiber damage and irreversible blindness, afflicting millions of individuals. Glaucoma forecast is a good solution to early screening and intervention of…

计算机视觉与模式识别 · 计算机科学 2024-02-22 Xikai Yang , Jian Wu , Xi Wang , Yuchen Yuan , Ning Li Wang , Pheng-Ann Heng

Unmanned Aerial Vehicles (UAVs) are increasingly used in surveillance, logistics, agriculture, disaster management, and military operations. Accurate detection and classification of UAV flight states, such as hovering, cruising, ascending,…

机器学习 · 计算机科学 2025-07-22 Haochen Liu , Jia Bi , Xiaomin Wang , Xin Yang , Ling Wang

Human mobility plays a crucial role in the spread of human diseases, but is rarely quantified in plant disease epidemics. To address this gap, we integrate a unique, high-resolution network of human movements in New Zealand with a…

物理与社会 · 物理学 2026-02-26 Varun K. Rao , Ryan Higgs , Hautahi Kingi , Filippo Radicchi , Santo Fortunato , Maria Litvinova

Deterministic models are developed for the spatial spread of epidemic diseases in geographical settings. The models are focused on outbreaks that arise from a small number of infected hosts imported into sub-regions of the geographical…

种群与进化 · 定量生物学 2018-01-08 Pierre Magal , Glenn F. Webb , Yixiang Wu

Cooperative multi-robot missions often require teams of robots to traverse environments where traversal risk evolves due to adversary patrols or shifting hazards with stochastic dynamics. While support coordination--where robots assist…

多智能体系统 · 计算机科学 2026-03-19 Manshi Limbu , Xuan Wang , Gregory J. Stein , Daigo Shishika , Xuesu Xiao