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In unstructured environments, obstacles are diverse and lack lane markings, making trajectory planning for intelligent vehicles a challenging task. Traditional trajectory planning methods typically involve multiple stages, including path…

Robotics · Computer Science 2024-06-14 Sumin Zhang , Kuo Li , Rui He , Zhiwei Meng , Yupeng Chang , Xiaosong Jin , Ri Bai

Deep generative models for graphs have shown great promise in the area of drug design, but have so far found little application beyond generating graph-structured molecules. In this work, we demonstrate a proof of concept for the…

Machine Learning · Computer Science 2019-11-01 Davide Belli , Thomas Kipf

Many of today's data is time-series data originating from various sources, such as sensors, transaction systems, or production systems. Major challenges with such data include privacy and business sensitivity. Generative time-series models…

Machine Learning · Computer Science 2024-06-19 David Bergström , Mattias Tiger , Fredrik Heintz

Mobility datasets are fundamental for evaluating algorithms pertaining to geographic information systems and facilitating experimental reproducibility. But privacy implications restrict sharing such datasets, as even aggregated…

Machine Learning · Computer Science 2018-12-03 Vaibhav Kulkarni , Natasa Tagasovska , Thibault Vatter , Benoit Garbinato

Prediction of human motions is key for safe navigation of autonomous robots among humans. In cluttered environments, several motion hypotheses may exist for a pedestrian, due to its interactions with the environment and other pedestrians.…

Robotics · Computer Science 2020-11-17 Bruno Brito , Hai Zhu , Wei Pan , Javier Alonso-Mora

Motion behaviour is driven by several factors -- goals, presence and actions of neighbouring agents, social relations, physical and social norms, the environment with its variable characteristics, and further. Most factors are not directly…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Sahib Julka , Vishal Sowrirajan , Joerg Schloetterer , Michael Granitzer

Traffic Intersections are vital to urban road networks as they regulate the movement of people and goods. However, they are regions of conflicting trajectories and are prone to accidents. Deep Generative models of traffic dynamics at…

Artificial Intelligence · Computer Science 2025-06-11 Yash Ranjan , Rahul Sengupta , Anand Rangarajan , Sanjay Ranka

Efficient traffic management is crucial for maintaining urban mobility, especially in densely populated areas where congestion, accidents, and delays can lead to frustrating and expensive commutes. However, existing prediction methods face…

Machine Learning · Computer Science 2023-05-25 Xuhong Wang , Ding Wang , Liang Chen , Yilun Lin

Accurate trajectory prediction is fundamental to autonomous driving, as it underpins safe motion planning and collision avoidance in complex environments. However, existing benchmark datasets suffer from a pronounced long-tail distribution…

Robotics · Computer Science 2025-10-06 Ruining Yang , Yi Xu , Yixiao Chen , Yun Fu , Lili Su

Understanding human motion behavior is critical for autonomous moving platforms (like self-driving cars and social robots) if they are to navigate human-centric environments. This is challenging because human motion is inherently…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Agrim Gupta , Justin Johnson , Li Fei-Fei , Silvio Savarese , Alexandre Alahi

Previous methods that predict system-wide travel time, predominantly grounded in graph neural networks, remain limited to typical and recurring demand patterns. While they successfully predict future congestion following daily commute, they…

Multiagent Systems · Computer Science 2026-05-11 Łukasz Gorczyca , Kacper Drozd , Michał Bujak , Rafał Kucharski

The increasingly crucial role of human displacements in complex societal phenomena, such as traffic congestion, segregation, and the diffusion of epidemics, is attracting the interest of scientists from several disciplines. In this article,…

Machine Learning · Computer Science 2022-12-15 Giovanni Mauro , Massimiliano Luca , Antonio Longa , Bruno Lepri , Luca Pappalardo

With the development of big data and artificial intelligence, the technology of urban computing becomes more mature and widely used. In urban computing, using GPS-based trajectory data to discover urban dense areas, extract similar urban…

Other Computer Science · Computer Science 2019-07-08 Yang Cao , Jingling Yuan , Song Xiao , Qing Xie

People's transportation choices reflect complex trade-offs shaped by personal preferences, social norms, and technology acceptance. Predicting such behavior at scale is a critical challenge with major implications for urban planning and…

Human-Computer Interaction · Computer Science 2026-01-28 Simon Lämmer , Mark Colley , Patrick Ebel

Traffic forecasting influences various intelligent transportation system (ITS) services and is of great significance for user experience as well as urban traffic control. It is challenging due to the fact that the road network contains…

Machine Learning · Computer Science 2020-04-24 Yiwen Sun , Yulu Wang , Kun Fu , Zheng Wang , Changshui Zhang , Jieping Ye

Deep Generative Models (DGMs) have rapidly advanced in recent years, becoming essential tools in various fields due to their ability to learn complex data distributions and generate synthetic data. Their importance in transportation…

Machine Learning · Computer Science 2026-01-28 Seongjin Choi , Zhixiong Jin , Seung Woo Ham , Jiwon Kim , Lijun Sun

Generating trajectory data is among promising solutions to addressing privacy concerns, collection costs, and proprietary restrictions usually associated with human mobility analyses. However, existing trajectory generation methods are…

Machine Learning · Computer Science 2024-04-25 Yuanshao Zhu , James Jianqiao Yu , Xiangyu Zhao , Qidong Liu , Yongchao Ye , Wei Chen , Zijian Zhang , Xuetao Wei , Yuxuan Liang

Autonomous systems that efficiently utilize tools can assist humans in completing many common tasks such as cooking and cleaning. However, current systems fall short of matching human-level of intelligence in terms of adapting to novel…

Robotics · Computer Science 2024-09-10 Carl Qi , Yilin Wu , Lifan Yu , Haoyue Liu , Bowen Jiang , Xingyu Lin , David Held

Trajectory data generation is an important domain that characterizes the generative process of mobility data. Traditional methods heavily rely on predefined heuristics and distributions and are weak in learning unknown mechanisms. Inspired…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Liming Zhang , Liang Zhao , Dieter Pfoser

Origin-destination (OD) flow, which contains valuable population mobility information including direction and volume, is critical in many urban applications, such as urban planning, transportation management, etc. However, OD data is not…

Machine Learning · Computer Science 2023-06-07 Can Rong , Huandong Wang , Yong Li