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Multi-Task Reinforcement Learning (MTRL) tackles the long-standing problem of endowing agents with skills that generalize across a variety of problems. To this end, sharing representations plays a fundamental role in capturing both unique…

Machine Learning · Computer Science 2024-05-07 Ahmed Hendawy , Jan Peters , Carlo D'Eramo

Representing diverse and plausible future trajectories is critical for motion forecasting in autonomous driving. However, efficiently capturing these trajectories in a compact set remains challenging. This study introduces a novel approach…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Abhishek Vivekanandan , J. Marius Zöllner

Current research on trajectory prediction primarily relies on data collected by onboard sensors of an ego vehicle. With the rapid advancement in connected technologies, such as vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I)…

Artificial Intelligence · Computer Science 2025-03-13 Xi Chen , Rahul Bhadani , Larry Head

Improving sampling efficiency and generalization capability is critical for the successful data-driven control of quadrotor unmanned aerial vehicles (UAVs) that are inherently unstable. While various reinforcement learning (RL) approaches…

Robotics · Computer Science 2025-03-03 Beomyeol Yu , Taeyoung Lee

Reinforcement learning has demonstrated significant potential in the field of autonomous driving. However, it suffers from defects such as training instability and unsafe action outputs when faced with autonomous racing environments…

Robotics · Computer Science 2026-03-09 Bo Leng , Weiqi Zhang , Zhuoren Li , Lu Xiong , Guizhe Jin , Ran Yu , Chen Lv

High-speed online trajectory planning for UAVs poses a significant challenge due to the need for precise modeling of complex dynamics while also being constrained by computational limitations. This paper presents a multi-fidelity…

Robotics · Computer Science 2025-08-08 Gilhyun Ryou , Geoffrey Wang , Sertac Karaman

Graph embedding techniques, which learn low-dimensional representations of a graph, are achieving state-of-the-art performance in many graph mining tasks. Most existing embedding algorithms assign a single vector to each node, implicitly…

Social and Information Networks · Computer Science 2020-10-22 Jisung Yoon , Kai-Cheng Yang , Woo-Sung Jung , Yong-Yeol Ahn

Unsupervised text representation learning (TRL) is a fundamental task in natural language processing, which is beneficial for improving search and recommendations with the web's unlabeled texts. A recent empirical study finds that the…

Computation and Language · Computer Science 2025-10-14 Ruize An , Richong Zhang , Zhijie Nie , Zhanyu Wu , Yanzhao Zhang , Dingkun Long

This paper introduces the concept of travel behavior embeddings, a method for re-representing discrete variables that are typically used in travel demand modeling, such as mode, trip purpose, education level, family type or occupation. This…

Econometrics · Economics 2019-09-15 Francisco C. Pereira

As a crucial component in intelligent transportation systems, traffic flow prediction has recently attracted widespread research interest in the field of artificial intelligence (AI) with the increasing availability of massive traffic…

Machine Learning · Computer Science 2020-06-17 Lingbo Liu , Jiajie Zhen , Guanbin Li , Geng Zhan , Zhaocheng He , Bowen Du , Liang Lin

Current autonomous driving systems often favor end-to-end frameworks, which take sensor inputs like images and learn to map them into trajectory space via neural networks. Previous work has demonstrated that models can achieve better…

Computer Vision and Pattern Recognition · Computer Science 2025-12-10 Zebin Xing , Pengxuan Yang , Linbo Wang , Yichen Zhang , Yiming Hu , Yupeng Zheng , Junli Wang , Yinfeng Gao , Guang Li , Kun Ma , Long Chen , Zhongpu Xia , Qichao Zhang , Hangjun Ye , Dongbin Zhao

In this paper, we propose a convolutional layer inspired by optical flow algorithms to learn motion representations. Our representation flow layer is a fully-differentiable layer designed to capture the `flow' of any representation channel…

Computer Vision and Pattern Recognition · Computer Science 2019-08-05 AJ Piergiovanni , Michael S. Ryoo

Unmanned aerial vehicles (UAVs) are playing an increasingly pivotal role in modern communication networks,offering flexibility and enhanced coverage for a variety of applica-tions. However, UAV networks pose significant challenges due to…

Networking and Internet Architecture · Computer Science 2025-02-19 Wei Zhao , Shaoxin Cui , Wen Qiu , Zhiqiang He , Zhi Liu , Xiao Zheng , Bomin Mao , Nei Kato

Link prediction and node classification are two important downstream tasks of network representation learning. Existing methods have achieved acceptable results but they perform these two tasks separately, which requires a lot of…

Social and Information Networks · Computer Science 2021-03-04 Hong Huang , Yu Song , Yao Wu , Jia Shi , Xia Xie , Hai Jin

Autonomous drone racing has risen as a challenging robotic benchmark for testing the limits of learning, perception, planning, and control. Expert human pilots are able to fly a drone through a race track by mapping pixels from a single…

Robotics · Computer Science 2026-04-13 Angel Romero , Ashwin Shenai , Ismail Geles , Elie Aljalbout , Davide Scaramuzza

Digital textbook (e-book) systems record student interactions with textbooks as a sequence of events called EventStream data. In the past, researchers extracted meaningful features from EventStream, and utilized them as inputs for…

Computers and Society · Computer Science 2024-07-19 Yuma Miyazaki , Valdemar Švábenský , Yuta Taniguchi , Fumiya Okubo , Tsubasa Minematsu , Atsushi Shimada

Single-task learning in artificial neural networks will be able to learn the model very well, and the benefits brought by transferring knowledge thus become limited. In this regard, when the number of tasks increases (e.g., semantic…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Mohammad R. Bayanlou , Mehdi Khoshboresh-Masouleh

Air Traffic Flow and Capacity Management (ATFCM) is one of the constituent parts of Air Traffic Management (ATM). The goal of ATFCM is to make airport and airspace capacity meet traffic demand and, when capacity opportunities are exhausted,…

Artificial Intelligence · Computer Science 2018-02-21 Rodrigo Marcos , Oliva García-Cantú , Ricardo Herranz

We propose a method to generate robust and optimal trajectories for the transition of a tiltwing Vertical Take-Off and Landing (VTOL) aircraft leveraging concepts from convex optimisation, tube-based nonlinear Model Predictive Control (MPC)…

Optimization and Control · Mathematics 2023-02-10 Martin Doff-Sotta , Mark Cannon , Marko Bacic

Understanding human motion is crucial for accurate pedestrian trajectory prediction. Conventional methods typically rely on supervised learning, where ground-truth labels are directly optimized against predicted trajectories. This amplifies…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Yizhou Huang , Yihua Cheng , Kezhi Wang