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Vision-and-language navigation (VLN) is a trending topic which aims to navigate an intelligent agent to an expected position through natural language instructions. This work addresses the task of VLN from a previously-ignored aspect, namely…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Xinzhe Zhou , Wei Liu , Yadong Mu

Bearing-only tracking, localisation, and circumnavigation is a problem in which a single or a group of agents attempts to track a target while circumnavigating it at a fixed distance using only bearing measurements. While previous studies…

机器人学 · 计算机科学 2025-04-29 Mitchell Torok , Mohammad Deghat , Yang Song

Autonomous navigation guided by natural language instructions is essential for improving human-robot interaction and enabling complex operations in dynamic environments. While large language models (LLMs) are not inherently designed for…

机器人学 · 计算机科学 2024-12-04 Pranav Doma , Aliasghar Arab , Xuesu Xiao

We present a method for generating, predicting, and using Spatiotemporal Occupancy Grid Maps (SOGM), which embed future semantic information of real dynamic scenes. We present an auto-labeling process that creates SOGMs from noisy real…

机器人学 · 计算机科学 2022-08-29 Hugues Thomas , Jian Zhang , Timothy D. Barfoot

Predicting future trajectories for other road agents is an essential task for autonomous vehicles. Established trajectory prediction methods primarily use agent tracks generated by a detection and tracking system and HD map as inputs. In…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Seokha Moon , Hyun Woo , Hongbeen Park , Haeji Jung , Reza Mahjourian , Hyung-gun Chi , Hyerin Lim , Sangpil Kim , Jinkyu Kim

Throughout its lifecycle, a large language model (LLM) generates a substantially larger carbon footprint during inference than training. LLM inference requests vary in batch size, prompt length, and token generation number, while cloud…

机器学习 · 计算机科学 2024-10-07 Zhenxiao Fu , Fan Chen , Shan Zhou , Haitong Li , Lei Jiang

Traffic flow forecasting aims to predict future traffic flows based on the historical traffic conditions and the road network. It is an important problem in intelligent transportation systems, with a plethora of methods been proposed.…

机器学习 · 计算机科学 2025-08-04 Yusheng Zhao , Xiao Luo , Haomin Wen , Zhiping Xiao , Wei Ju , Ming Zhang

Real-time traffic prediction from high-fidelity spatiotemporal traffic sensor datasets is an important problem for intelligent transportation systems and sustainability. However, it is challenging due to the complex topological dependencies…

社会与信息网络 · 计算机科学 2016-07-22 Dingxiong Deng , Cyrus Shahabi , Ugur Demiryurek , Linhong Zhu , Rose Yu , Yan Liu

In this paper, a method of prediction on continuous time series variables from the production or flow -- an LSTM algorithm based on multivariate tuning -- is proposed. The algorithm improves the traditional LSTM algorithm and converts the…

机器学习 · 计算机科学 2024-03-19 Hongzhi Wang , Yang Song , Shihan Tang

A machine learning architecture composed of convolutional long short-term memory (convLSTM) is developed to predict spatio-temporal parameters in the SACROC oil field, Texas, USA. The spatial parameters are recorded at the end of each month…

图像与视频处理 · 电气工程与系统科学 2024-09-24 Palash Panja , Wei Jia , Alec Nelson , Brian McPherson

The global navigation satellite systems (GNSS) play a vital role in transport systems for accurate and consistent vehicle localization. However, GNSS observations can be distorted due to multipath effects and non-line-of-sight (NLOS)…

机器人学 · 计算机科学 2024-02-20 Haoming Zhang , Zhanxin Wang , Heike Vallery

Maritime transportation is central to the global economy, and analyzing its large-scale behavioral data is critical for operational planning, environmental stewardship, and governance. This work presents a spatio-temporal analytical…

Accurately predicting line loss rates is vital for effective line loss management in distribution networks, especially over short-term multi-horizons ranging from one hour to one week. In this study, we propose Attention-GCN-LSTM, a novel…

机器学习 · 计算机科学 2023-12-20 Jie Liu , Yijia Cao , Yong Li , Yixiu Guo , Wei Deng

This paper proposes a data preparation process for managing real-world kinematic data and detecting fishing vessels. The solution is a binary classification that classifies ship trajectories into either fishing or non-fishing ships. The…

机器学习 · 计算机科学 2025-01-07 David Sánchez Pedroche , Daniel Amigo , Jesús García , Jose M. Molina

Language allows humans to build mental models that interpret what is happening around them resulting in more accurate long-term predictions. We present a novel trajectory prediction model that uses linguistic intermediate representations to…

机器人学 · 计算机科学 2022-03-10 Yen-Ling Kuo , Xin Huang , Andrei Barbu , Stephen G. McGill , Boris Katz , John J. Leonard , Guy Rosman

We explore the geospatial reasoning capabilities of Large Language Models (LLMs), specifically, whether LLMs can read road network maps and perform navigation. We frame trajectory recovery as a proxy task, which requires models to…

人工智能 · 计算机科学 2025-10-03 Thinh Hung Truong , Jey Han Lau , Jianzhong Qi

Continuous-time state estimation has been shown to be an effective means of (i) handling asynchronous and high-rate measurements, (ii) introducing smoothness to the estimate, (iii) post hoc querying the estimate at times other than those of…

机器人学 · 计算机科学 2026-01-08 Timothy Barfoot , Cedric Le Gentil , Sven Lilge

When an agent, person, vehicle or robot is moving through an unknown environment without GNSS signals, online mapping of nonlinear terrains can be used to improve position estimates when the agent returns to a previously mapped area.…

机器学习 · 计算机科学 2025-05-22 Frida Marie Viset , Rudy Helmons , Manon Kok

Pre-training has been adopted in a few of recent works for Vision-and-Language Navigation (VLN). However, previous pre-training methods for VLN either lack the ability to predict future actions or ignore the trajectory contexts, which are…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Yanyuan Qiao , Yuankai Qi , Yicong Hong , Zheng Yu , Peng Wang , Qi Wu

This paper presents a deep learning architecture for nowcasting of precipitation almost globally every 30 min with a 4-hour lead time. The architecture fuses a U-Net and a convolutional long short-term memory (LSTM) neural network and is…

机器学习 · 计算机科学 2024-02-06 Reyhaneh Rahimi , Praveen Ravirathinam , Ardeshir Ebtehaj , Ali Behrangi , Jackson Tan , Vipin Kumar