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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

Trajectory prediction plays a vital role in automotive radar systems, facilitating precise tracking and decision-making in autonomous driving. Generative adversarial networks with the ability to learn a distribution over future trajectories…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Peiyuan Zhu , Fengxia Han , Hao Deng

The pedestrian trajectory prediction task is an essential component of intelligent systems. Its applications include but are not limited to autonomous driving, robot navigation, and anomaly detection of monitoring systems. Due to the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Rongqin Liang , Yuanman Li , Jiantao Zhou , Xia Li

Simulation-based testing has emerged as an essential tool for verifying and validating autonomous vehicles (AVs). However, contemporary methodologies, such as deterministic and imitation learning-based driver models, struggle to capture the…

Robotics · Computer Science 2025-11-04 Cheng Wang , Lingxin Kong , Massimiliano Tamborski , Stefano V. Albrecht

Human mobility modeling from GPS-trajectories and synthetic trajectory generation are crucial for various applications, such as urban planning, disaster management and epidemiology. Both of these tasks often require filling gaps in a…

Machine Learning · Computer Science 2024-11-08 Shang-Ling Hsu , Emmanuel Tung , John Krumm , Cyrus Shahabi , Khurram Shafique

Generating realistic vehicle speed trajectories is a crucial component in evaluating vehicle fuel economy and in predictive control of self-driving cars. Traditional generative models rely on Markov chain methods and can produce accurate…

Machine Learning · Computer Science 2021-12-17 Farnaz Behnia , Dominik Karbowski , Vadim Sokolov

Deep generative replay has emerged as a promising approach for continual learning in decision-making tasks. This approach addresses the problem of catastrophic forgetting by leveraging the generation of trajectories from previously…

Machine Learning · Computer Science 2024-06-18 William Yue , Bo Liu , Peter Stone

Understanding individual-level human mobility is critical for a wide range of applications. As such, real-world trajectory datasets provide valuable insights into actual movement behaviors and patterns of life but are often constrained by…

Software Engineering · Computer Science 2026-01-22 Hossein Amiri , Joon-Seok Kim , Hamdi Kavak , Andrew Crooks , Dieter Pfoser , Carola Wenk , Andreas Züfle

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

Predicting traffic agents' trajectories is an important task for auto-piloting. Most previous work on trajectory prediction only considers a single class of road agents. We use a sequence-to-sequence model to predict future paths from…

Machine Learning · Computer Science 2021-10-25 Shilun Li , Tracy Cai , Jiayi Li

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

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

Mobile devices continuously interact with cellular base stations, generating massive volumes of signaling records that provide broad coverage for understanding human mobility. However, such records offer only coarse location cues (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Ruixing Zhang , Hanzhang Jiang , Leilei Sun , Liangzhe Han , Jibin Wang , Weifeng Lv

Time series data generation has drawn increasing attention in recent years. Several generative adversarial network (GAN) based methods have been proposed to tackle the problem usually with the assumption that the targeted time series data…

Machine Learning · Computer Science 2021-11-17 Hengzhi Pei , Kan Ren , Yuqing Yang , Chang Liu , Tao Qin , Dongsheng Li

The mobility patterns of people in cities evolve alongside changes in land use and population. This makes it crucial for urban planners to simulate and analyze human mobility patterns for purposes such as transportation optimization and…

Machine Learning · Computer Science 2025-07-17 Seanglidet Yean , Jiazu Zhou , Bu-Sung Lee , Markus Schläpfer

Trajectory data is fundamental to modern urban intelligence, yet its sensitivity raises significant privacy concerns. Generative models such as Generative Adversarial Networks, Variational Autoencoders, and Diffusion Models have been…

The problem of maneuvering a vehicle through a race course in minimum time requires computation of both longitudinal (brake and throttle) and lateral (steering wheel) control inputs. Unfortunately, solving the resulting nonlinear optimal…

Robotics · Computer Science 2019-02-05 Nitin R. Kapania , John Subosits , J Christian Gerdes

Generative Adversarial Networks (GANs) have shown immense potential in fields such as text and image generation. Only very recently attempts to exploit GANs to statistical-mechanics models have been reported. Here we quantitatively test…

Statistical Mechanics · Physics 2024-05-07 Daniele Lanzoni , Olivier Pierre-Louis , Francesco Montalenti

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

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