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Autonomous agents rely on sensor data to construct representations of their environments, essential for predicting future events and planning their actions. However, sensor measurements suffer from limited range, occlusions, and sensor…

This work presents a unified, fully differentiable model for multi-people tracking that learns to associate detections into trajectories without relying on pre-computed tracklets. The model builds a dynamic spatiotemporal graph that…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Martin Engilberge , Ivan Vrkic , Friedrich Wilke Grosche , Julien Pilet , Engin Turetken , Pascal Fua

Robots navigating dynamic, cluttered, and semantically complex environments must integrate perception, symbolic reasoning, and spatial planning to generalize across diverse layouts and object categories. Existing methods often rely on…

Robotics · Computer Science 2025-10-14 Ahmed Alanazi , Duy Ho , Yugyung Lee

Monte Carlo (MC) simulations of transport in random porous networks indicate that for high variances of the log-normal permeability distribution, the transport of a passive tracer is non-Fickian. Here we model this non-Fickian dispersion in…

Computational Physics · Physics 2018-08-01 Amir H. Delgoshaie , Patrick Jenny , Hamdi A. Tchelepi

Traditional regression models assume stationary relationships between predictors and responses, failing to capture the spatial heterogeneity present in many environmental, epidemiological, and ecological processes. To address this…

Methodology · Statistics 2025-05-27 Justice Akuoko-Frimpong , Edward Shao , Jonathan Ta

The precise prediction of human mobility has produced significant socioeconomic impacts, such as location recommendations and evacuation suggestions. However, existing methods suffer from limited generalization capability: unimodal…

Artificial Intelligence · Computer Science 2025-12-30 Junshu Dai , Yu Wang , Tongya Zheng , Wei Ji , Qinghong Guo , Ji Cao , Jie Song , Canghong Jin , Mingli Song

Modeling human trajectories in crowded environments is challenging due to the complex nature of pedestrian behavior and interactions. This paper proposes a geometric graph neural network (GNN) architecture that integrates domain knowledge…

Machine Learning · Computer Science 2024-10-24 Sara Honarvar , Yancy Diaz-Mercado

Telecommunication networks play a critical role in modern society. With the arrival of 5G networks, these systems are becoming even more diversified, integrated, and intelligent. Traffic forecasting is one of the key components in such a…

Machine Learning · Computer Science 2020-09-22 Marcus Kalander , Min Zhou , Chengzhi Zhang , Hanling Yi , Lujia Pan

Traffic simulation is a great tool to demonstrate complex traffic structures which can be extremely useful for the planning, development, and management of road traffic networks. Current traffic simulators offer limited features when it…

Networking and Internet Architecture · Computer Science 2023-01-04 Sifatul Mostafi , Taghreed Alghamdi , Khalid Elgazzar

Autonomous navigation is a key skill for assistive and service robots. To be successful, robots have to navigate avoiding going through the personal spaces of the people surrounding them. Complying with social rules such as not getting in…

Robotics · Computer Science 2020-09-11 Luis J. Manso , Ronit R. Jorvekar , Diego R. Faria , Pablo Bustos , Pilar Bachiller

Graph generation generally aims to create new graphs that closely align with a specific graph distribution. Existing works often implicitly capture this distribution through the optimization of generators, potentially overlooking the…

Machine Learning · Computer Science 2024-07-19 Song Wang , Zhen Tan , Xinyu Zhao , Tianlong Chen , Huan Liu , Jundong Li

Predicting human mobility flows at different spatial scales is challenged by the heterogeneity of individual trajectories and the multi-scale nature of transportation networks. As vast amounts of digital traces of human behaviour become…

Social and Information Networks · Computer Science 2016-02-08 M. G. Beiró , A. Panisson , M. Tizzoni , C. Cattuto

Cross-View Geo-Localisation within urban regions is challenging in part due to the lack of geo-spatial structuring within current datasets and techniques. We propose utilising graph representations to model sequences of local observations…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Tavis Shore , Oscar Mendez , Simon Hadfield

Traffic prediction is a critical task in spatial-temporal forecasting with broad applications in travel planning and urban management. To model the complex spatial-temporal dependencies in traffic data, Spatial-Temporal Graph Convolutional…

Machine Learning · Computer Science 2026-05-01 Kaiqi Wu , Weiyang Kong , Sen Zhang , Zitong Chen , Yubao Liu

Since its introduction as a computable approximation of the Reeb graph, the Mapper graph has become one of the most popular tools from topological data analysis for performing data visualization and inference. However, finding an…

Statistics Theory · Mathematics 2025-06-04 Ziyad Oulhaj , Mathieu Carrière , Bertrand Michel

Timely accurate traffic forecast is crucial for urban traffic control and guidance. Due to the high nonlinearity and complexity of traffic flow, traditional methods cannot satisfy the requirements of mid-and-long term prediction tasks and…

Machine Learning · Computer Science 2018-07-13 Bing Yu , Haoteng Yin , Zhanxing Zhu

Heterogeneous trajectory forecasting is critical for intelligent transportation systems, but it is challenging because of the difficulty of modeling the complex interaction relations among the heterogeneous road agents as well as their…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Jianwu Fang , Chen Zhu , Pu Zhang , Hongkai Yu , Jianru Xue

Over the past few years, research on deep graph learning has shifted from static graphs to temporal graphs in response to real-world complex systems that exhibit dynamic behaviors. In practice, temporal graphs are formalized as an ordered…

Machine Learning · Computer Science 2024-10-30 Jintang Li , Ruofan Wu , Xinzhou Jin , Boqun Ma , Liang Chen , Zibin Zheng

Pedestrian trajectory prediction is an active research area with recent works undertaken to embed accurate models of pedestrians social interactions and their contextual compliance into dynamic spatial graphs. However, existing works rely…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Sirin Haddad , Siew-Kei Lam

Passenger behavior prediction aims to track passenger travel patterns through historical boarding and alighting data, enabling the analysis of urban station passenger flow and timely risk management. This is crucial for smart city…

Machine Learning · Computer Science 2024-08-20 Mingxuan Xie , Tao Zou , Junchen Ye , Bowen Du , Runhe Huang