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The Automatic Identification System (AIS) enables data-driven maritime surveillance but suffers from reliability issues and irregular intervals. We address vessel destination estimation using global-scope AIS data by proposing a…

机器学习 · 计算机科学 2025-12-16 Jin Sob Kim , Hyun Joon Park , Wooseok Shin , Dongil Park , Sung Won Han

In this paper, we propose a novel approach for agent motion prediction in cluttered environments. One of the main challenges in predicting agent motion is accounting for location and context-specific information. Our main contribution is…

机器人学 · 计算机科学 2020-07-08 Igor Gilitschenski , Guy Rosman , Arjun Gupta , Sertac Karaman , Daniela Rus

This work focuses on the problem of visual target navigation, which is very important for autonomous robots as it is closely related to high-level tasks. To find a special object in unknown environments, classical and learning-based…

机器人学 · 计算机科学 2023-12-27 Bangguo Yu , Hamidreza Kasaei , Ming Cao

We propose Next Concept Prediction (NCP), a generative pretraining paradigm built on top of Next Token Prediction (NTP). NCP predicts discrete concepts that span multiple tokens, thereby forming a more challenging pretraining objective. Our…

计算与语言 · 计算机科学 2026-02-10 Yuliang Liu , Yunchong Song , Yixuan Wang , Kewen Ge , Alex Lamb , Qipeng Guo , Kai Chen , Bowen Zhou , Zhouhan Lin

Maritime intelligent transportation systems (MITS) are essential for ensuring navigation safety and efficiency in busy waterways. However, accurate vessel trajectory prediction remains challenging due to the limitations of single-source…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Yuxu Lu , Dong Yang , Xiaoyu Li , Mengwei Bao , Congcong Zhao

In real-world application scenarios, it is crucial for marine navigators and security analysts to predict vessel movement trajectories at sea based on the Automated Identification System (AIS) data in a given time span. This article…

计算机视觉与模式识别 · 计算机科学 2020-07-30 Chih-Wei Chen , Charles Harrison , Hsin-Hsiung Huang

Little inquiry has explicitly addressed the role of action spaces in language-guided visual navigation -- either in terms of its effect on navigation success or the efficiency with which a robotic agent could execute the resulting…

计算机视觉与模式识别 · 计算机科学 2021-10-06 Jacob Krantz , Aaron Gokaslan , Dhruv Batra , Stefan Lee , Oleksandr Maksymets

Multi-modal keyphrase prediction (MMKP) aims to advance beyond text-only methods by incorporating multiple modalities of input information to produce a set of conclusive phrases. Traditional multi-modal approaches have been proven to have…

计算机视觉与模式识别 · 计算机科学 2025-10-13 Qihang Ma , Shengyu Li , Jie Tang , Dingkang Yang , Shaodong Chen , Yingyi Zhang , Chao Feng , Jiao Ran

In Bansal et al. (2019), a novel visual navigation framework that combines learning-based and model-based approaches has been proposed. Specifically, a Convolutional Neural Network (CNN) predicts a waypoint that is used by the dynamics…

机器人学 · 计算机科学 2020-05-19 Anjian Li , Somil Bansal , Georgios Giovanis , Varun Tolani , Claire Tomlin , Mo Chen

Goal-conditioned policies for robotic navigation can be trained on large, unannotated datasets, providing for good generalization to real-world settings. However, particularly in vision-based settings where specifying goals requires an…

机器人学 · 计算机科学 2022-07-27 Dhruv Shah , Blazej Osinski , Brian Ichter , Sergey Levine

Predicting ego vehicle trajectories remains a critical challenge, especially in urban and dense areas due to the unpredictable behaviours of other vehicles and pedestrians. Multimodal trajectory prediction enhances decision-making by…

计算机视觉与模式识别 · 计算机科学 2024-10-02 Sushil Sharma , Arindam Das , Ganesh Sistu , Mark Halton , Ciarán Eising

Trajectory prediction seeks to forecast the future motion of dynamic entities, such as vehicles and pedestrians, given a temporal horizon of historical movement data and environmental context. A central challenge in this domain is the…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Jintao Sun , Hu Zhang , Gangyi Ding , Zhedong Zheng

This contribution addresses vessel trajectory prediction (VTP), focusing on the evaluation of different deep learning-based approaches. The objective is to assess model performance in diverse traffic complexities and compare the reliability…

机器学习 · 计算机科学 2025-08-21 Zahra Rastin , Kathrin Donandt , Dirk Söffker

The next point-of-interest (POI) prediction is a significant task in location-based services, yet its complexity arises from the consolidation of spatial and semantic intent. This fusion is subject to the influences of historical…

信息检索 · 计算机科学 2024-04-09 Nan Jiang , Haitao Yuan , Jianing Si , Minxiao Chen , Shangguang Wang

Accurate predictions of ship trajectories in crowded environments are essential to ensure safety in inland waterways traffic. Recent advances in deep learning promise increased accuracy even for complex scenarios. While the challenge of…

机器学习 · 计算机科学 2026-03-06 Tom Legel , Dirk Söffker , Roland Schätzle , Kathrin Donandt

This paper addresses the problem of object-goal navigation in autonomous inspections in real-world environments. Object-goal navigation is crucial to enable effective inspections in various settings, often requiring the robot to identify…

Human motion prediction is essential for the safe and smooth operation of mobile service robots and intelligent vehicles around people. Commonly used neural network-based approaches often require large amounts of complete trajectories to…

机器人学 · 计算机科学 2023-06-07 Yufei Zhu , Andrey Rudenko , Tomasz P. Kucner , Achim J. Lilienthal , Martin Magnusson

The next-token prediction (NTP) objective trains language models to predict a single token at each step, even though many continuations can express the same meaning. For example, in the sentence ``this sticker can be placed here'',…

计算与语言 · 计算机科学 2026-05-26 Christine Zhang , Dan Jurafsky , Chen Shani

Trajectory prediction is one of the key capabilities for robots to safely navigate and interact with pedestrians. Critical insights from human intention and behavioral patterns need to be integrated to effectively forecast long-term…

机器人学 · 计算机科学 2021-06-22 Zhe Huang , Aamir Hasan , Kazuki Shin , Ruohua Li , Katherine Driggs-Campbell

Autonomous platforms operating in the oceans require accurate navigation to successfully complete their mission. In this regard, the initial heading estimation accuracy and the time required to achieve it play a critical role. The initial…

机器人学 · 计算机科学 2026-04-02 Zeev Yampolsky , Felipe O. Silva , Adriano Frutuoso , Itzik Klein