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Trajectory Prediction (TP) is an important research topic in computer vision and robotics fields. Recently, many stochastic TP models have been proposed to deal with this problem and have achieved better performance than the traditional…

机器学习 · 计算机科学 2022-01-11 Chunnan Wang , Chen Liang , Xiang Chen , Hongzhi Wang

The development of algorithms that learn multi-agent behavioral models using human demonstrations has led to increasingly realistic simulations in the field of autonomous driving. In general, such models learn to jointly predict…

For autonomous agents to successfully operate in real world, the ability to anticipate future motions of surrounding entities in the scene can greatly enhance their safety levels since potentially dangerous situations could be avoided in…

机器学习 · 计算机科学 2019-06-04 Yeping Hu , Wei Zhan , Liting Sun , Masayoshi Tomizuka

Missing data represents a fundamental challenge in machine learning applications, often reducing model performance and reliability. This problem is particularly acute in fields like bioinformatics and clinical machine learning, where…

机器学习 · 计算机科学 2025-09-04 Fatemeh Azad , Zoran Bosnić , Matjaž Kukar

Missing data in time series is a pervasive problem that puts obstacles in the way of advanced analysis. A popular solution is imputation, where the fundamental challenge is to determine what values should be filled in. This paper proposes…

机器学习 · 计算机科学 2023-07-06 Wenjie Du , David Cote , Yan Liu

Individual mobility trajectories are difficult to measure and often incur long periods of missingness. Aggregation of this mobility data without accounting for the missingness leads to erroneous results, underestimating travel behavior.…

统计方法学 · 统计学 2024-10-22 Danielle McCool , Peter Lugtig , Barry Schouten

We consider a setting in which $N$ agents aim to speedup a common Stochastic Approximation (SA) problem by acting in parallel and communicating with a central server. We assume that the up-link transmissions to the server are subject to…

Multi-object tracking in sports scenarios has become one of the focal points in computer vision, experiencing significant advancements through the integration of deep learning techniques. Despite these breakthroughs, challenges remain, such…

计算机视觉与模式识别 · 计算机科学 2024-11-14 Jiacheng Sun , Hsiang-Wei Huang , Cheng-Yen Yang , Zhongyu Jiang , Jenq-Neng Hwang

A multi-modal framework to generate user intention distributions when operating a mobile vehicle is proposed in this work. The model learns from past observed trajectories and leverages traversability information derived from the visual…

机器人学 · 计算机科学 2022-03-17 Kavindie Katuwandeniya , Stefan H. Kiss , Lei Shi , Jaime Valls Miro

Data imputation is an effective way to handle missing data, which is common in practical applications. In this study, we propose and test a novel data imputation process that achieve two important goals: (1) preserve the row-wise…

机器学习 · 计算机科学 2023-09-13 Katrina Chen , Xiuqin Liang , Zheng Ma , Zhibin Zhang

Multiagent reinforcement learning, as a prominent intelligent paradigm, enables collaborative decision-making within complex systems. However, existing approaches often rely on explicit action exchange between agents to evaluate action…

机器人学 · 计算机科学 2026-01-09 Zhenglong Luo , Zhiyong Chen , Aoxiang Liu

In this paper, we consider the problem of distributed reachable set computation for multi-agent systems (MASs) interacting over an undirected, stationary graph. A full state-feedback control input for such MASs depends no only on the…

系统与控制 · 电气工程与系统科学 2024-10-11 Omanshu Thapliyal , Shanelle Clarke , Inseok Hwang

Multi-agent systems (MAS) are critical for automating complex tasks, yet their practical deployment is severely hampered by the challenge of failure attribution. Current diagnostic tools, which rely on statistical correlations, are…

人工智能 · 计算机科学 2025-09-11 Guoqing Ma , Jia Zhu , Hanghui Guo , Weijie Shi , Jiawei Shen , Jingjiang Liu , Yidan Liang

Deep neural networks are often applied to medical images to automate the problem of medical diagnosis. However, a more clinically relevant question that practitioners usually face is how to predict the future trajectory of a disease.…

图像与视频处理 · 电气工程与系统科学 2023-09-20 Huy Hoang Nguyen , Matthew B. Blaschko , Simo Saarakkala , Aleksei Tiulpin

In this paper, we present a novel Distribution-Aware Single-stage (DAS) model for tackling the challenging multi-person 3D pose estimation problem. Different from existing top-down and bottom-up methods, the proposed DAS model…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Zitian Wang , Xuecheng Nie , Xiaochao Qu , Yunpeng Chen , Si Liu

Predicting the behaviour (i.e., manoeuvre/trajectory) of other road users, including vehicles, is critical for the safe and efficient operation of autonomous vehicles (AVs), a.k.a., automated driving systems (ADSs). Due to the uncertain…

机器学习 · 计算机科学 2023-07-27 Sajjad Mozaffari , Mreza Alipour Sormoli , Konstantinos Koufos , Mehrdad Dianati

Advances in learning-based trajectory prediction are enabled by large-scale datasets. However, in-depth analysis of such datasets is limited. Moreover, the evaluation of prediction models is limited to metrics averaged over all samples in…

计算机视觉与模式识别 · 计算机科学 2022-06-13 Julian Schmidt , Julian Jordan , David Raba , Tobias Welz , Klaus Dietmayer

Multivariate time-series data are used in many classification and regression predictive tasks, and recurrent models have been widely used for such tasks. Most common recurrent models assume that time-series data elements are of equal length…

机器学习 · 计算机科学 2020-09-21 Mehak Gupta , Rahmatollah Beheshti

Prior arts in the field of motion predictions for autonomous driving tend to focus on finding a trajectory that is close to the ground truth trajectory. Such problem formulations and approaches, however, frequently lead to loss of diversity…

计算机视觉与模式识别 · 计算机科学 2023-01-05 Sanmin Kim , Hyeongseok Jeon , Junwon Choi , Dongsuk Kum

In this work, we consider the problem of autonomous racing with multiple agents where agents must interact closely and influence each other to compete. We model interactions among agents through a game-theoretical framework and propose an…

系统与控制 · 电气工程与系统科学 2023-05-02 Yixuan Jia , Maulik Bhatt , Negar Mehr