Article(id=1282037439925567951, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1282037390130790473, articleNumber=null, orderNo=null, doi=10.16265/j.cnki.issn1003-3033.2025.12.1477, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1752681600000, receivedDateStr=2025-07-17, revisedDate=1758729600000, revisedDateStr=2025-09-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1783591144782, onlineDateStr=2026-07-09, pubDate=1766851200000, pubDateStr=2025-12-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1783591144782, onlineIssueDateStr=2026-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1783591144782, creator=13701087609, updateTime=1783591144782, updator=13701087609, issue=Issue{id=1282037390130790473, tenantId=1146029695717560320, journalId=1146031787341344770, year='2025', volume='35', issue='12', pageStart='1', pageEnd='259', issueExtLink='null', onlineDate='null', pubDate='1766851200000', pubDateStr='2025-12-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1783591132910, creator='13701087609', updateTime=1783593783109, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1282048505929777979, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1282037390130790473, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1282048505929777980, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1282037390130790473, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=196, endPage=203, ext={EN=ArticleExt(id=1282037440135283152, articleId=1282037439925567951, tenantId=1146029695717560320, journalId=1146031787341344770, language=EN, title=Crowd safety risk assessment based on Seq2Seq-attention network, columnId=1149733270084042840, journalTitle=China Safety Science Journal, columnName=Public safety, runingTitle=null, highlight=null, articleAbstract=

In order to explore the safety of interactions between pedestrian groups moving in different directions, a risk assessment method for pedestrian safety was proposed based on a Seq2Seq network integrated with an AM. By analyzing the interactions among pedestrians, local density was introduced as an additional input feature to better characterize dynamic interpersonal behaviors. The observed sequential features of pedestrians within a continuous time window were fed into an LSTM-based encoder-decoder architecture, and AM was employed to capture multidimensional critical information during motion, enabling the reconstruction of complex crowd movement patterns across various scenarios. Furthermore, pedestrian safety risks were quantified by introducing a crowd pressure metric, and the pressure value ranges corresponding to three typical movement states were calculated to enable risk stratification. The results show that the average displacement error (ADE) and final displacement error (FDE) in trajectory prediction are less than 0.3 m under both unidirectional and bidirectional flow conditions at different densities, indicating the model's high accuracy in trajectory prediction. Based on the risk variation observed in bidirectional flow scenarios, it is found that the probability of accidents increases significantly when pedestrians' velocities change abruptly under high-density conditions. Therefore, timely warnings of crowd states and proactive intervention measures are required to mitigate potential safety risks.

, authors=Shuchao CAO1, Weibin GE1, Conghui LI1, Jun ZHANG2, authorsList=Shuchao CAO, Weibin GE, Conghui LI, Jun ZHANG, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1282037440621822419, articleId=1282037439925567951, tenantId=1146029695717560320, journalId=1146031787341344770, language=CN, title=基于注意力Seq2Seq网络的人群安全风险评估, columnId=1149733271510106222, journalTitle=中国安全科学学报, columnName=公共安全, runingTitle=null, highlight=null, articleAbstract=

为探究不同方向人群交互的安全性,提出一种基于序列到序列(Seq2Seq)网络结合注意力机制(AM)的行人安全风险评估方法。通过分析行人之间的相互作用,引入局部密度补充模型特征输入,从而准确刻画行人间的动态交互。将观测行人连续时间窗口序列的特征输入到基于长短期记忆网络(LSTM)的编-解码器,并利用AM捕捉行人运动的多维度关键信息,最终重现不同场景中人群复杂的运动过程。进一步通过引入人群压力指标量化行人安全风险,计算得到3种典型行人运动状态下的压力值范围,并对人群安全风险进行分级。结果表明:在距离误差评估中,单向流和相向流不同密度下的平均位移误差(ADE)和最终位移误差(FDE)均低于0.3 m,验证了该方法在行人轨迹预测中的准确性。基于相向流场景中的风险变化结果,发现在高密度情形下,当行人速度发生剧烈变化时,发生事故的概率显著增加,此时需要预警人群状态并采取措施以降低安全风险。

, authors=曹淑超副教授1, 戈伟斌1, 李聪慧1, 张俊教授2, authorsList=曹淑超副教授, 戈伟斌, 李聪慧, 张俊教授, authorCompany=null, correspAuthors=null, authorNote=

曹淑超(1989—),男,山东莱芜人,博士,副教授,主要从事人群应急疏散与行人交通流等方面的研究。E-mail:

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曹淑超(1989—),男,山东莱芜人,博士,副教授,主要从事人群应急疏散与行人交通流等方面的研究。E-mail:

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曹淑超(1989—),男,山东莱芜人,博士,副教授,主要从事人群应急疏散与行人交通流等方面的研究。E-mail:

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基于注意力Seq2Seq网络的人群安全风险评估
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曹淑超副教授 1 , 戈伟斌 1 , 李聪慧 1 , 张俊教授 2
中国安全科学学报 | 公共安全 2025,35(12): 196-203
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中国安全科学学报 |公共安全 2025 , 35 (12) : 196 -203
基于注意力Seq2Seq网络的人群安全风险评估
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曹淑超副教授1 , 戈伟斌1, 李聪慧1, 张俊教授2
作者信息
  • 1江苏大学 汽车与交通工程学院,江苏 镇江 212013
  • 2中国科学技术大学 火灾安全全国重点实验室,安徽 合肥 230027
作者简介:

曹淑超(1989—),男,山东莱芜人,博士,副教授,主要从事人群应急疏散与行人交通流等方面的研究。E-mail:

Crowd safety risk assessment based on Seq2Seq-attention network
Shuchao CAO1 , Weibin GE1, Conghui LI1, Jun ZHANG2
Affiliations
  • 1School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang Jiangsu 212013, China
  • 2State Key Laboratory of Fire Science, University of Science and Technology of China, Heifei Anhui 230027, China
出版时间: 2025-12-28 doi: 10.16265/j.cnki.issn1003-3033.2025.12.1477
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为探究不同方向人群交互的安全性,提出一种基于序列到序列(Seq2Seq)网络结合注意力机制(AM)的行人安全风险评估方法。通过分析行人之间的相互作用,引入局部密度补充模型特征输入,从而准确刻画行人间的动态交互。将观测行人连续时间窗口序列的特征输入到基于长短期记忆网络(LSTM)的编-解码器,并利用AM捕捉行人运动的多维度关键信息,最终重现不同场景中人群复杂的运动过程。进一步通过引入人群压力指标量化行人安全风险,计算得到3种典型行人运动状态下的压力值范围,并对人群安全风险进行分级。结果表明:在距离误差评估中,单向流和相向流不同密度下的平均位移误差(ADE)和最终位移误差(FDE)均低于0.3 m,验证了该方法在行人轨迹预测中的准确性。基于相向流场景中的风险变化结果,发现在高密度情形下,当行人速度发生剧烈变化时,发生事故的概率显著增加,此时需要预警人群状态并采取措施以降低安全风险。

序列到序列(Seq2Seq)  /  人群安全  /  风险评估  /  轨迹预测  /  注意力机制(AM)  /  人群压力

In order to explore the safety of interactions between pedestrian groups moving in different directions, a risk assessment method for pedestrian safety was proposed based on a Seq2Seq network integrated with an AM. By analyzing the interactions among pedestrians, local density was introduced as an additional input feature to better characterize dynamic interpersonal behaviors. The observed sequential features of pedestrians within a continuous time window were fed into an LSTM-based encoder-decoder architecture, and AM was employed to capture multidimensional critical information during motion, enabling the reconstruction of complex crowd movement patterns across various scenarios. Furthermore, pedestrian safety risks were quantified by introducing a crowd pressure metric, and the pressure value ranges corresponding to three typical movement states were calculated to enable risk stratification. The results show that the average displacement error (ADE) and final displacement error (FDE) in trajectory prediction are less than 0.3 m under both unidirectional and bidirectional flow conditions at different densities, indicating the model's high accuracy in trajectory prediction. Based on the risk variation observed in bidirectional flow scenarios, it is found that the probability of accidents increases significantly when pedestrians' velocities change abruptly under high-density conditions. Therefore, timely warnings of crowd states and proactive intervention measures are required to mitigate potential safety risks.

sequence to sequence (Seq2Seq)  /  crowd safety  /  risk assessment  /  trajectory prediction  /  attention mechanism(AM)  /  crowd pressure
曹淑超副教授, 戈伟斌, 李聪慧, 张俊教授. 基于注意力Seq2Seq网络的人群安全风险评估. 中国安全科学学报, 2025 , 35 (12) : 196 -203 . DOI: 10.16265/j.cnki.issn1003-3033.2025.12.1477
Shuchao CAO, Weibin GE, Conghui LI, Jun ZHANG. Crowd safety risk assessment based on Seq2Seq-attention network[J]. China Safety Science Journal, 2025 , 35 (12) : 196 -203 . DOI: 10.16265/j.cnki.issn1003-3033.2025.12.1477
  • 国家自然科学基金资助(72374087; 72001095)
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doi: 10.16265/j.cnki.issn1003-3033.2025.12.1477
  • 接收时间:2025-07-17
  • 首发时间:2026-07-09
  • 出版时间:2025-12-28
补充材料
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出版历史
  • 收稿日期:2025-07-17
  • 修回日期:2025-09-25
基金
国家自然科学基金资助(72374087; 72001095)
作者信息
    1江苏大学 汽车与交通工程学院,江苏 镇江 212013
    2中国科学技术大学 火灾安全全国重点实验室,安徽 合肥 230027
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https://castjournals.cast.org.cn/joweb/zgaqkxxb/CN/10.16265/j.cnki.issn1003-3033.2025.12.1477
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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