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Related papers: UniTraj: Learning a Universal Trajectory Foundatio…

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Trajectory world models play a crucial role in robotic dynamics learning, planning, and control. While recent works have explored trajectory world models for diverse robotic systems, they struggle to scale to a large number of distinct…

Machine Learning · Computer Science 2026-05-21 Yuchen Wang , Jiangtao Kong , Sizhe Wei , Xiaochang Li , Haohong Lin , Hongjue Zhao , Tianyi Zhou , Lu Gan , Huajie Shao

Foundation models have driven remarkable progress in text, vision, and video understanding, and are now poised to unlock similar breakthroughs in trajectory modeling. We introduce the GPSMasked Trajectory Transformer (GPS-MTM), a foundation…

Machine Learning · Computer Science 2025-10-09 Umang Garg , Bowen Zhang , Anantajit Subrahmanya , Chandrakanth Gudavalli , BS Manjunath

Foundation models pre-trained on large-scale source datasets are reshaping the traditional training paradigm for time series classification. However, existing time series foundation models primarily focus on forecasting tasks and often…

Machine Learning · Computer Science 2026-01-13 Zhen Liu , Yucheng Wang , Boyuan Li , Junhao Zheng , Emadeldeen Eldele , Min Wu , Qianli Ma

Spatio-temporal trajectories provide valuable information about movement and travel behavior, enabling various downstream tasks that in turn power real-world applications. Learning trajectory embeddings can improve task performance but may…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Yan Lin , Huaiyu Wan , Shengnan Guo , Jilin Hu , Christian S. Jensen , Youfang Lin

Trajectory prediction has been a crucial task in building a reliable autonomous driving system by anticipating possible dangers. One key issue is to generate consistent trajectory predictions without colliding. To overcome the challenge, we…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Hao Chen , Jiaze Wang , Kun Shao , Furui Liu , Jianye Hao , Chenyong Guan , Guangyong Chen , Pheng-Ann Heng

The widespread use of GPS devices has driven advances in spatiotemporal data mining, enabling machine learning models to simulate human decision making and generate realistic trajectories, addressing both data collection costs and privacy…

Machine Learning · Computer Science 2025-10-09 Zhiyang Zhang , Ningcong Chen , Xin Zhang , Yanhua Li , Shen Su , Hui Lu , Jun Luo

World models have become central to autonomous driving, where accurate scene understanding and future prediction are crucial for safe control. Recent work has explored using vision-language models (VLMs) for planning, yet existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Zhexiao Xiong , Xin Ye , Burhan Yaman , Sheng Cheng , Yiren Lu , Jingru Luo , Nathan Jacobs , Liu Ren

Traditional spatiotemporal models generally rely on task-specific architectures, which limit their generalizability and scalability across diverse tasks due to domain-specific design requirements. In this paper, we introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Chen Tang , Xinzhu Ma , Encheng Su , Xiufeng Song , Xiaohong Liu , Wei-Hong Li , Lei Bai , Wanli Ouyang , Xiangyu Yue

While data-driven trajectory prediction has enhanced the reliability of autonomous driving systems, it still struggles with rarely observed long-tail scenarios. Prior works addressed this by modifying model architectures, such as using…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Daehee Park , Monu Surana , Pranav Desai , Ashish Mehta , Reuben MV John , Kuk-Jin Yoon

Achieving versatile humanoid locomotion with a single policy presents a critical scalability challenge. Prevailing methods often rely on distilling multiple terrain-specific teacher policies into a unified student policy. However, while…

A foundation model is a machine learning model trained on a large and diverse set of data, typically using self-supervised learning-based pre-training techniques, that can be adapted to various downstream tasks. However, current research on…

Generative models have become increasingly powerful tools for robot motion generation, enabling flexible and multimodal trajectory generation across various tasks. Yet, most existing approaches remain limited in handling multiple types of…

Robotics · Computer Science 2026-01-15 Zewen Yang , Xiaobing Dai , Dian Yu , Zhijun Li , Majid Khadiv , Sandra Hirche , Sami Haddadin

User mobility modeling serves a crucial role in analysis and optimization of contemporary wireless networks. Typical stochastic mobility models, e.g., random waypoint model and Gauss Markov model, can hardly capture the distribution…

Artificial Intelligence · Computer Science 2024-07-30 Zhenyu Tao , Wei Xu , Xiaohu You

Enhancing the performance of trajectory planners for lane - changing vehicles is one of the key challenges in autonomous driving within human - machine mixed traffic. Most existing studies have not incorporated human drivers' prior…

Robotics · Computer Science 2025-12-23 Cailin Lei , Haiyang Wu , Yuxiong Ji , Xiaoyu Cai , Yuchuan Du

A key capability of a long-term tracker is to search for targets in very large areas (typically the entire image) to handle possible target absences or tracking failures. However, currently there is a lack of such a strong baseline for…

Computer Vision and Pattern Recognition · Computer Science 2019-12-19 Lianghua Huang , Xin Zhao , Kaiqi Huang

Teleoperation is crucial for hazardous environment operations and serves as a key tool for collecting expert demonstrations in robot learning. However, existing methods face robotic hardware dependency and control frequency mismatches…

Robotics · Computer Science 2025-04-29 Shengjian Fang , Yixuan Zhou , Yu Zheng , Pengyu Jiang , Siyuan Liu , Hesheng Wang

The emergence of multi-modal foundation models has markedly transformed the technology for autonomous driving, shifting away from conventional and mostly hand-crafted design choices towards unified, foundation-model-based approaches,…

Robotics · Computer Science 2026-03-24 Kemal Oksuz , Alexandru Buburuzan , Anthony Knittel , Yuhan Yao , Puneet K. Dokania

In this paper, we draw inspiration from Alberto Elfes' pioneering work in 1989, where he introduced the concept of the occupancy grid as World Models for robots. We imbue the robot with a spatial-temporal world model, termed UniWorld, to…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Chen Min , Dawei Zhao , Liang Xiao , Yiming Nie , Bin Dai

Machine learning has emerged as a powerful tool for time series analysis. Existing methods are usually customized for different analysis tasks and face challenges in tackling practical problems such as partial labeling and domain shift. To…

Machine Learning · Computer Science 2024-08-20 Zhiyu Liang , Chen Liang , Zheng Liang , Hongzhi Wang , Bo Zheng

Multiple object tracking faces several challenges that may be alleviated with trajectory information. Knowing the posterior locations of an object helps disambiguating and solving situations such as occlusions, re-identification, and…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Andreu Girbau , Xavier Giró-i-Nieto , Ignasi Rius , Ferran Marqués