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Recent advances in trajectory replanning have enabled quadrotor to navigate autonomously in unknown environments. However, high-speed navigation still remains a significant challenge. Given very limited time, existing methods have no strong…

Robotics · Computer Science 2020-07-08 Boyu Zhou , Jie Pan , Fei Gao , Shaojie Shen

We present a novel end-to-end diffusion-based trajectory generation method, DTG, for mapless global navigation in challenging outdoor scenarios with occlusions and unstructured off-road features like grass, buildings, bushes, etc. Given a…

Robotics · Computer Science 2024-10-22 Jing Liang , Amirreza Payandeh , Daeun Song , Xuesu Xiao , Dinesh Manocha

Whole-body humanoid locomotion is challenging due to high-dimensional control, morphological instability, and the need for real-time adaptation to various terrains using onboard perception. Directly applying reinforcement learning (RL) with…

Although pre-trained transformers and reprogrammed text-based LLMs have shown strong performance on time series tasks, the best-performing architectures vary widely across tasks, with most models narrowly focused on specific areas, such as…

Machine Learning · Computer Science 2024-11-27 Shanghua Gao , Teddy Koker , Owen Queen , Thomas Hartvigsen , Theodoros Tsiligkaridis , Marinka Zitnik

Motivated by the increasing availability of vehicle trajectory data, we propose learn-to-route, a comprehensive trajectory-based routing solution. Specifically, we first construct a graph-like structure from trajectories as the routing…

Machine Learning · Computer Science 2018-02-23 Chenjuan Guo , Bin Yang , Jilin Hu , Christian S. Jensen

Trajectory prediction is essential for the safety and efficiency of planning in autonomous vehicles. However, current models often fail to fully capture complex traffic rules and the complete range of potential vehicle movements. Addressing…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Ahmad Rahimi , Alexandre Alahi

Joining trajectory datasets is a significant operation in mobility data analytics and the cornerstone of various methods that aim to extract knowledge out of them. In the era of Big Data, the production of mobility data has become massive…

Databases · Computer Science 2020-02-07 Panagiotis Tampakis , Christos Doulkeridis , Nikos Pelekis , Yannis Theodoridis

Accurate pedestrian trajectory prediction is crucial for various applications, and it requires a deep understanding of pedestrian motion patterns in dynamic environments. However, existing pedestrian trajectory prediction methods still need…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Pranav Singh Chib , Pravendra Singh

Autonomous navigation in off-road conditions requires an accurate estimation of terrain traversability. However, traversability estimation in unstructured environments is subject to high uncertainty due to the variability of numerous…

Robotics · Computer Science 2024-03-06 Junwon Seo , Taekyung Kim , Seongyong Ahn , Kiho Kwak

Trajectory generation for quadrotors with limited field-of-view sensors has numerous applications such as aerial exploration, coverage, inspection, videography, and target tracking. Most previous works simplify the task of optimizing yaw…

Robotics · Computer Science 2024-10-04 Yuwei Wu , Yuezhan Tao , Igor Spasojevic , Vijay Kumar

Automated Vehicles (AVs) promise significant advances in transportation. Critical to these improvements is understanding AVs' longitudinal behavior, relying heavily on real-world trajectory data. Existing open-source trajectory datasets of…

Robotics · Computer Science 2025-04-29 Hang Zhou , Ke Ma , Shixiao Liang , Xiaopeng Li , Xiaobo Qu

Multi-modal tracking is essential in single-object tracking (SOT), as different sensor types contribute unique capabilities to overcome challenges caused by variations in object appearance. However, existing unified RGB-X trackers (X…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 He Wang , Tianyang Xu , Zhangyong Tang , Xiao-Jun Wu , Josef Kittler

Trajectory modeling refers to characterizing human movement behavior, serving as a pivotal step in understanding mobility patterns. Nevertheless, existing studies typically ignore the confounding effects of geospatial context, leading to…

Machine Learning · Computer Science 2024-04-23 Kang Luo , Yuanshao Zhu , Wei Chen , Kun Wang , Zhengyang Zhou , Sijie Ruan , Yuxuan Liang

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…

Generalizing deep reinforcement learning agents to unseen environments remains a significant challenge. One promising solution is Unsupervised Environment Design (UED), a co-evolutionary framework in which a teacher adaptively generates…

Machine Learning · Computer Science 2026-03-17 Geonwoo Cho , Jaegyun Im , Jihwan Lee , Hojun Yi , Sejin Kim , Sundong Kim

One of the primary objectives of satellite remote sensing is to capture the complex dynamics of the Earth environment, which encompasses tasks such as reconstructing continuous cloud-free image sequences, detecting land cover changes, and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Yuxiang Zhang , Shunlin Liang , Wenyuan Li , Han Ma , Jianglei Xu , Yichuan Ma , Jiangwei Xie , Wei Li , Mengmeng Zhang , Ran Tao , Xiang-Gen Xia

We address prevailing challenges of the brain-powered research, departing from the observation that the literature hardly recover accurate spatial information and require subject-specific models. To address these challenges, we propose…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Weihao Xia , Raoul de Charette , Cengiz Öztireli , Jing-Hao Xue

LiDAR-based 3D single object tracking (3D SOT) is a critical task in robotics and autonomous systems. Existing methods typically follow frame-wise motion estimation or a sequence-based paradigm. However, the two-frame methods are efficient…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 BaiChen Fan , Yuanxi Cui , Jian Li , Qin Wang , Shibo Zhao , Muqing Cao , Sifan Zhou

Biological intelligence systems of animals perceive the world by integrating information in different modalities and processing simultaneously for various tasks. In contrast, current machine learning research follows a task-specific…

Computer Vision and Pattern Recognition · Computer Science 2021-12-03 Xizhou Zhu , Jinguo Zhu , Hao Li , Xiaoshi Wu , Xiaogang Wang , Hongsheng Li , Xiaohua Wang , Jifeng Dai

The study of trajectories is often a core task in several research fields. In environmental modelling, trajectories are crucial to study fluid pollution, animal migrations, oil slick patterns or land movements. In this contribution, we…

Computation · Statistics 2022-09-23 A. Reyes , G. Viera-López , J. J. Morgado-Vega , E. Altshuler