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Related papers: WildGEN: Long-horizon Trajectory Generation for Wi…

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Trajectory generation is an important task in movement studies; it circumvents the privacy, ethical, and technical challenges of collecting real trajectories from the target population. In particular, real trajectories in the wildlife…

Machine Learning · Computer Science 2025-02-11 Ali Al-Lawati , Elsayed Eshra , Prasenjit Mitra

We propose a unified deep learning framework for the generation and analysis of driving scenario trajectories, and validate its effectiveness in a principled way. To model and generate scenarios of trajectories with different lengths, we…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Andreas Demetriou , Henrik Alfsvåg , Sadegh Rahrovani , Morteza Haghir Chehreghani

Trajectory generation has recently drawn growing interest in privacy-preserving urban mobility studies and location-based service applications. Although many studies have used deep learning or generative AI methods to model trajectories and…

Machine Learning · Computer Science 2026-03-25 Yuanbo Tang , Yan Tang , Zixuan Zhang , Zihui Zhao , Yang Li

Being able to generate realistic trajectory options is at the core of increasing the degree of automation of road vehicles. While model-driven, rule-based, and classical learning-based methods are widely used to tackle these tasks at…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Annajoyce Mariani , Kira Maag , Hanno Gottschalk

We present a multi-modal trajectory generation and selection algorithm for real-world mapless outdoor navigation in human-centered environments. Such environments contain rich features like crosswalks, grass, and curbs, which are easily…

Robotics · Computer Science 2025-05-19 Daeun Song , Jing Liang , Xuesu Xiao , Dinesh Manocha

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

Realistic and diverse simulation scenarios with reactive and feasible agent behaviors can be used for validation and verification of self-driving system performance without relying on expensive and time-consuming real-world testing.…

Robotics · Computer Science 2022-04-01 Qichao Zhang , Yinfeng Gao , Yikang Zhang , Youtian Guo , Dawei Ding , Yunpeng Wang , Peng Sun , Dongbin Zhao

Simulating the human mobility and generating large-scale trajectories are of great use in many real-world applications, such as urban planning, epidemic spreading analysis, and geographic privacy protect. Although many previous works have…

Machine Learning · Computer Science 2023-01-19 Wenjun Jiang , Wayne Xin Zhao , Jingyuan Wang , Jiawei Jiang

Traditional methods for autonomous driving are implemented with many building blocks from perception, planning and control, making them difficult to generalize to varied scenarios due to complex assumptions and interdependencies. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Peide Cai , Yuxiang Sun , Hengli Wang , Ming Liu

Precise modeling of microscopic vehicle trajectories is critical for traffic behavior analysis and autonomous driving systems. We propose Ctx2TrajGen, a context-aware trajectory generation framework that synthesizes realistic urban driving…

Artificial Intelligence · Computer Science 2025-07-24 Joobin Jin , Seokjun Hong , Gyeongseon Baek , Yeeun Kim , Byeongjoon Noh

Simulation plays a crucial role in the development of autonomous vehicles (AVs) due to the potential risks associated with real-world testing. Although significant progress has been made in the visual aspects of simulators, generating…

Machine Learning · Computer Science 2024-08-14 Wenhao Ding , Yulong Cao , Ding Zhao , Chaowei Xiao , Marco Pavone

Large-scale and diverse datasets are vital for training robust robotic manipulation policies, yet existing data collection methods struggle to balance scale, diversity, and quality. Simulation offers scalability but suffers from sim-to-real…

We present a novel learning-based trajectory generation algorithm for outdoor robot navigation. Our goal is to compute collision-free paths that also satisfy the environment-specific traversability constraints. Our approach is designed for…

Recently, an abundant amount of urban vehicle trajectory data has been collected in road networks. Many studies have used machine learning algorithms to analyze patterns in vehicle trajectories to predict location sequences of individual…

Machine Learning · Computer Science 2021-10-01 Seongjin Choi , Jiwon Kim , Hwasoo Yeo

Diverse and realistic traffic scenarios are crucial for evaluating the AI safety of autonomous driving systems in simulation. This work introduces a data-driven method called TrafficGen for traffic scenario generation. It learns from the…

Robotics · Computer Science 2023-03-07 Lan Feng , Quanyi Li , Zhenghao Peng , Shuhan Tan , Bolei Zhou

Analyzing individual human trajectory data helps our understanding of human mobility and finds many commercial and academic applications. There are two main approaches to accessing trajectory data for research: one involves using real-world…

Databases · Computer Science 2024-10-17 Hossein Amiri , Richard Yang , Andreas Zufle

Trajectory prediction aims to estimate an entity's future path using its current position and historical movement data, benefiting fields like autonomous navigation, robotics, and human movement analytics. Deep learning approaches have…

Machine Learning · Computer Science 2025-04-08 Amirhossein Nadiri , Jing Li , Ali Faraji , Ghadeer Abuoda , Manos Papagelis

Advances in video generation have significantly improved the realism and quality of created scenes. This has fueled interest in developing intuitive tools that let users leverage video generation as world simulators. Text-to-video (T2V)…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Zuhao Liu , Aleksandar Yanev , Ahmad Mahmood , Ivan Nikolov , Saman Motamed , Wei-Shi Zheng , Xi Wang , Lei Sun , Luc Van Gool , Danda Pani Paudel

A key barrier to using reinforcement learning (RL) in many real-world applications is the requirement of a large number of system interactions to learn a good control policy. Off-policy and Offline RL methods have been proposed to reduce…

Machine Learning · Computer Science 2022-12-02 Wenqi Cui , Linbin Huang , Weiwei Yang , Baosen Zhang

In this study a new approach is proposed for the generation of aircraft trajectories. The relative guidance of an aircraft, which is aimed to join in minimum time the track of a leader aircraft, is particularly considered. In a first place,…

Optimization and Control · Mathematics 2013-02-21 Mohammad Shahzad , Félix Mora-Camino , Jules Ghislain Slama , Karim Achaibou
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