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For robots to be a part of our daily life, they need to be able to navigate among crowds not only safely but also in a socially compliant fashion. This is a challenging problem because humans tend to navigate by implicitly cooperating with…

机器人学 · 计算机科学 2017-05-18 Anirudh Vemula , Katharina Muelling , Jean Oh

The success of autonomous systems will depend upon their ability to safely navigate human-centric environments. This motivates the need for a real-time, probabilistic forecasting algorithm for pedestrians, cyclists, and other agents since…

机器人学 · 计算机科学 2017-06-21 Henry O. Jacobs , Owen K. Hughes , Matthew Johnson-Roberson , Ram Vasudevan

We present a novel trajectory prediction algorithm for pedestrians based on a personality-aware probabilistic feature map. This map is computed using a spatial query structure and each value represents the probability of the predicted…

图形学 · 计算机科学 2019-11-04 Chaochao Li , Pei Lv , Mingliang Xu , Xinyu Wang , Dinesh Manocha , Bing Zhou , Meng Wang

Telematics data is becoming increasingly available due to the ubiquity of devices that collect data during drives, for different purposes, such as usage based insurance (UBI), fleet management, navigation of connected vehicles, etc.…

人工智能 · 计算机科学 2020-04-06 Sobhan Moosavi , Arnab Nandi , Rajiv Ramnath

Usually, routing models in pedestrian dynamics assume that agents have fulfilled and global knowledge about the building's structure. However, they neglect the fact that pedestrians possess no or only parts of information about their…

人工智能 · 计算机科学 2016-02-08 Erik Andresen , David Haensel , Mohcine Chraibi , Armin Seyfried

Denoising diffusion probabilistic models have recently received much research attention since they outperform alternative approaches, such as GANs, and currently provide state-of-the-art generative performance. The superior performance of…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Dmitry Baranchuk , Ivan Rubachev , Andrey Voynov , Valentin Khrulkov , Artem Babenko

To better detect pedestrians of various scales, deep multi-scale methods usually detect pedestrians of different scales by different in-network layers. However, the semantic levels of features from different layers are usually inconsistent.…

计算机视觉与模式识别 · 计算机科学 2018-04-04 Jiale Cao , Yanwei Pang , Xuelong Li

The simulation of pedestrian crowd that reflects reality is a major challenge for researches. Several crowd simulation models have been proposed such as cellular automata model, agent-based model, fluid dynamic model, etc. It is important…

多智能体系统 · 计算机科学 2017-08-15 Wonho Kang , Youngnam Han

In this paper, we first tackle the problem of pedestrian attribute recognition by video-based approach. The challenge mainly lies in spatial and temporal modeling and how to integrating them for effective and dynamic pedestrian…

计算机视觉与模式识别 · 计算机科学 2019-10-29 Zhiyuan Chen , Annan Li , Yunhong Wang

Semantic segmentation involves assigning a specific category to each pixel in an image. While Vision Transformer-based models have made significant progress, current semantic segmentation methods often struggle with precise predictions in…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Guoan Xu , Wenfeng Huang , Tao Wu , Ligeng Chen , Wenjing Jia , Guangwei Gao , Xiatian Zhu , Stuart Perry

In this paper, we present a data-driven approach for safely predicting the future state sets of pedestrians. Previous approaches to predicting the future state sets of pedestrians either do not provide safety guarantees or are overly…

系统与控制 · 电气工程与系统科学 2023-08-22 August Söderlund , Frank J. Jiang , Vandana Narri , Amr Alanwar , Karl H. Johansson

In this work, we present a transformer-based framework for predicting future pedestrian states based on clustered historical trajectory data. In previous studies, researchers propose enhancing pedestrian trajectory predictions by using…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Kleio Fragkedaki , Frank J. Jiang , Karl H. Johansson , Jonas Mårtensson

Pedestrian trajectory prediction is essential for collision avoidance in autonomous driving and robot navigation. However, predicting a pedestrian's trajectory in crowded environments is non-trivial as it is influenced by other pedestrians'…

计算机视觉与模式识别 · 计算机科学 2019-02-15 Sirin Haddad , Meiqing Wu , He Wei , Siew Kei Lam

Human drivers can recognise fast abnormal driving situations to avoid accidents. Similar to humans, automated vehicles are supposed to perform anomaly detection. In this work, we propose the spatio-temporal graph auto-encoder for learning…

机器人学 · 计算机科学 2021-10-29 Julian Wiederer , Arij Bouazizi , Marco Troina , Ulrich Kressel , Vasileios Belagiannis

We propose an approach to simulating trajectories of multiple interacting agents (road users) based on transformers and probabilistic graphical models (PGMs), and apply it to the Waymo SimAgents challenge. The transformer baseline is based…

机器学习 · 计算机科学 2024-07-01 Xinghua Lou , Meet Dave , Shrinu Kushagra , Miguel Lazaro-Gredilla , Kevin Murphy

Urban environments pose a significant challenge for autonomous vehicles (AVs) as they must safely navigate while in close proximity to many pedestrians. It is crucial for the AV to correctly understand and predict the future trajectories of…

机器人学 · 计算机科学 2020-02-27 Cyrus Anderson , Xiaoxiao Du , Ram Vasudevan , Matthew Johnson-Roberson

Predicting pedestrian behavior is a crucial task for intelligent driving systems. Accurate predictions require a deep understanding of various contextual elements that potentially impact the way pedestrians behave. To address this…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Amir Rasouli , Iuliia Kotseruba

In this work we introduce an approach for modeling and analyzing collective behavior of a group of agents using moments. We represent the group of agents via their distribution and derive a method to estimate the dynamics of the moments. We…

最优化与控制 · 数学 2020-04-30 Silun Zhang , Axel Ringh , Xiaoming Hu , Johan Karlsson

This paper presents a novel approach to pedestrian trajectory prediction for on-board camera systems, which utilizes behavioral features of pedestrians that can be inferred from visual observations. Our proposed method, called…

计算机视觉与模式识别 · 计算机科学 2022-10-24 Phillip Czech , Markus Braun , Ulrich Kreßel , Bin Yang

Trajectory anomaly detection is crucial for effective decision-making in urban and human mobility management. Existing methods of trajectory anomaly detection generally focus on training a trajectory generative model and evaluating the…

机器学习 · 计算机科学 2024-10-28 Haoji Hu , Jina Kim , Jinwei Zhou , Sofia Kirsanova , JangHyeon Lee , Yao-Yi Chiang