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CLC number: TP391

On-line Access: 2024-08-27

Received: 2023-10-17

Revision Accepted: 2024-05-08

Crosschecked: 2015-12-30

Cited: 0

Clicked: 8698

Citations:  Bibtex RefMan EndNote GB/T7714

 ORCID:

Gao-qi He

http://orcid.org/0000-0001-8365-0970

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Frontiers of Information Technology & Electronic Engineering  2016 Vol.17 No.3 P.200-211

http://doi.org/10.1631/FITEE.1500253


Shadow obstacle model for realistic corner-turning behavior in crowd simulation


Author(s):  Gao-qi He, Yi Jin, Qi Chen, Zhen Liu, Wen-hui Yue, Xing-jian Lu

Affiliation(s):  Department of Computer Science and Engineering, East China University of Science and Technology, Shanghai 200237, China; more

Corresponding email(s):   hegaoqi@ecust.edu.cn

Key Words:  Corner-turning behavior, Crowd simulation, Safety awareness, Rule-based model


Gao-qi He, Yi Jin, Qi Chen, Zhen Liu, Wen-hui Yue, Xing-jian Lu. Shadow obstacle model for realistic corner-turning behavior in crowd simulation[J]. Frontiers of Information Technology & Electronic Engineering, 2016, 17(3): 200-211.

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volume="17",
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year="2016",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.1500253"
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Abstract: 
This paper describes a novel model known as the shadow obstacle model to generate a realistic corner-turning behavior in crowd simulation. The motivation for this model comes from the observation that people tend to choose a safer route rather than a shorter one when turning a corner. To calculate a safer route, an optimization method is proposed to generate the corner-turning rule that maximizes the viewing range for the agents. By combining psychological and physical forces together, a full crowd simulation framework is established to provide a more realistic crowd simulation. We demonstrate that our model produces a more realistic corner-turning behavior by comparison with real data obtained from the experiments. Finally, we perform parameter analysis to show the believability of our model through a series of experiments.

In this paper the authors present a model for enabling simulated pedestrian to move at the corners of the walls with a realistic trajectory. The proposal model is novel in modeling the corner-turning behaviour. The paper is technically sound which is illustrated by the simulation results and analysis.

基于影子障碍物模型的真实感人群转弯行为模拟

目的:在人群仿真领域中,对行人转弯行为的模拟有待深入研究。现有的模型(如Rojas等)采用预定义曲线的方法模拟行人转弯轨迹,模拟结果缺乏真实感,并不能体现出人群行为的多样性以及行人的心理特征。为了模拟更加具有真实感的人群转弯行为,本文考虑了行人在转弯时扩大视野的安全决策行为,提出了影子障碍物模型和一个完整的、有效的人群模拟框架。
创新点:提出影子障碍物模型,以模拟行人转弯时扩大视野的安全决策行为;提出了集成心理力和物理力的人群模拟框架。
方法:建立影子障碍物相关概念;以行人扩大视野为切入点,制定模拟转弯行为的相关规则,可以判断行人是否处于转弯状态以及如何获得最佳的速度方向。结合全局路径规划、局部行为模拟和物理模拟建立了人群仿真框架。利用该框架进行相关实验,验证模型的准确性和有效性。
结论:本文的模型可以较真实地模拟出行人转弯轨迹(图9);与Rojas等人的模拟结果相比,本文的模型可以较好地刻画行人的心理特征和人群行为的多样性(图10、15)

关键词:转弯行为;人群仿真;安全心理;基于规则的模型

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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