Article(id=1149738771702264027, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1149738762382524507, articleNumber=1003-3033(2024)07-0153-10, orderNo=null, doi=10.16265/j.cnki.issn1003-3033.2024.07.0089, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1704988800000, receivedDateStr=2024-01-12, revisedDate=1713369600000, revisedDateStr=2024-04-18, acceptedDate=null, acceptedDateStr=null, onlineDate=1752048684286, onlineDateStr=2025-07-09, pubDate=1722096000000, pubDateStr=2024-07-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752048684286, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752048684286, creator=13701087609, updateTime=1752048684286, updator=13701087609, issue=Issue{id=1149738762382524507, tenantId=1146029695717560320, journalId=1146031787341344770, year='2024', volume='34', issue='7', pageStart='1', pageEnd='252', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752048682065, creator=13701087609, updateTime=1757316437713, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1171833331021824745, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1149738762382524507, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1171833331021824746, tenantId=1146029695717560320, journalId=1146031787341344770, issueId=1149738762382524507, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=153, endPage=160, ext={EN=ArticleExt(id=1149738772062974173, articleId=1149738771702264027, tenantId=1146029695717560320, journalId=1146031787341344770, language=EN, title=Urban taxi traffic flow prediction based on attentive ConvLSTM-ResNet model, columnId=1149733270084042840, journalTitle=China Safety Science Journal, columnName=Public safety, runingTitle=null, highlight=null, articleAbstract=
In order to address the challenges of urban traffic congestion and safety,an ACLR model was proposed. By integrating ConvLSTM,attention mechanisms,and residual structures,the ACLR model effectively enhanced the extraction of spatio-temporal traffic features.The time,space and other characteristics of taxi traffic were processed respectively,and the influence of regional point of interest(POI) data on taxi traffic was mined. Additionally,a specialized learning component was incorporated to capture the impact of external factors and point-of-interest density on traffic flow. Using taxi trajectory data from Beijing,the ACLR model demonstrates superior prediction accuracy compared to other models such as the autoregressive integrated moving average (ARIMA) model,long short-term memory (LSTM),deep spatio-temporal residual networks (ST-ResNet),convolutional neural network(CNN)-ResNet-LSTM (CRL),and attentive crowd flow machines (ACFM) in urban traffic flow forecasting,which is helpful to improve the prediction performance of the model without POI density or considering POI density. The predicted value of the ACLA model is basically consistent with the real value,and it can also be in good agreement with the real value during peak hours,which effectively improves the ability to extract traffic temporal and spatial characteristics,reduces the prediction error,and optimizes the traffic flow prediction performance.
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为解决城市交通拥堵和安全问题,提出一种注意力卷积长短时记忆(ConvLSTM)残差(ACLR)模型,该模型通过结合ConvLSTM、注意力机制和残差结构,分别处理出租车流量的时间、空间、和其他特征,挖掘区域兴趣点(POI)数据对出租车流量的影响,有效提升交通时空特征的提取能力。同时,引入专门的学习元件考虑外部因素和POI密度对交通流量的影响,并利用北京市出租车轨迹数据验证。结果表明:ACLR模型在城市交通流预测中的精度高于差分自回归滑动平均(ARIMA)模型、长短时记忆(LSTM)网络、深度时空残差网络(ST-ResNet)、卷积神经网络(CNN)-残差神经单元-LSTM(CRL)循环神经网络、ACFM等模型,在无POI密度和考虑POI密度的情况下,均有助于提升模型的预测性能,ACLA模型的预测值与真实值基本一致,高峰时段也能与真实值较好地吻合,有效提升交通时空特征的提取能力,降低预测误差,使得交通流量预测性能得到优化。
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1 School of Artificial Intelligence and Advanced Computing,Hunan University of Technology and Business,Changsha Hunan 410205,China
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1 湖南工商大学 人工智能与先进计算学院,湖南 长沙 410205
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周新民 (1977—),男,湖南新邵人,博士,教授,主要从事新型智慧城市、商务智能与大数据、互联网安全与服务等方面的研究。E-mail:zhouxinmin2699@163.com。
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周新民 (1977—),男,湖南新邵人,博士,教授,主要从事新型智慧城市、商务智能与大数据、互联网安全与服务等方面的研究。E-mail:zhouxinmin2699@163.com。
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Framework of ACLR prediction model, figureFileSmall=twN8gtebQysPJGFOgv/H5A==, figureFileBig=Ykwb5k2jVk3oXEivNQZTMg==, tableContent=null), ArticleFig(id=1168186653043601529, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=CN, label=图1, caption=
ACLR预测模型框架, figureFileSmall=twN8gtebQysPJGFOgv/H5A==, figureFileBig=Ykwb5k2jVk3oXEivNQZTMg==, tableContent=null), ArticleFig(id=1168186653102321786, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=EN, label=Fig.2, caption=
Data of traffic trajectory is converted into "space-time image", figureFileSmall=bpWeapyjl7L5Q4CPAFmemw==, figureFileBig=qou62FkpbdIF1UCKDftkkw==, tableContent=null), ArticleFig(id=1168186653156847739, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=CN, label=图2, caption=
交通轨迹数据转换为“时空图像”, figureFileSmall=bpWeapyjl7L5Q4CPAFmemw==, figureFileBig=qou62FkpbdIF1UCKDftkkw==, tableContent=null), ArticleFig(id=1168186653215567996, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=EN, label=Fig.3, caption=
Construction method of "closeness,period and trend" data sets, figureFileSmall=7/tb++cI8GeEYc8XJcInVg==, figureFileBig=Wxvb6lWaLL+FRWf607hAmw==, tableContent=null), ArticleFig(id=1168186653278482557, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=CN, label=图3, caption=
“邻近性、周期性、趋势性”数据集构建方法, figureFileSmall=7/tb++cI8GeEYc8XJcInVg==, figureFileBig=Wxvb6lWaLL+FRWf607hAmw==, tableContent=null), ArticleFig(id=1168186653345591422, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=EN, label=Fig.4, caption=
structure of ACLR model, figureFileSmall=e38OCBOSo2u2X9yI3gHYLw==, figureFileBig=WbPs7Fn1tWz2mUb8vNEa2A==, tableContent=null), ArticleFig(id=1168186653400117375, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=CN, label=图4, caption=
ACLR模型结构, figureFileSmall=e38OCBOSo2u2X9yI3gHYLw==, figureFileBig=WbPs7Fn1tWz2mUb8vNEa2A==, tableContent=null), ArticleFig(id=1168186653463031936, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=EN, label=Fig.5, caption=
Process of Squeeze-and-Excitation(SE), figureFileSmall=4C5M2+g5EOLl86pBfFJvbw==, figureFileBig=yAxBLPM0jcZdMNMjQPcSkw==, tableContent=null), ArticleFig(id=1168186653513363585, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=CN, label=图5, caption=
Squeeze-and-Excitation(SE)过程, figureFileSmall=4C5M2+g5EOLl86pBfFJvbw==, figureFileBig=yAxBLPM0jcZdMNMjQPcSkw==, tableContent=null), ArticleFig(id=1168186653572083842, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=EN, label=Fig.6, caption=
Learning component structure, figureFileSmall=gI/25FTlLyiEI/aJ1OsAIg==, figureFileBig=1G04+GN5UJ7I+NnnMxu+BA==, tableContent=null), ArticleFig(id=1168186653630804099, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=CN, label=图6, caption=
学习元件结构, figureFileSmall=gI/25FTlLyiEI/aJ1OsAIg==, figureFileBig=1G04+GN5UJ7I+NnnMxu+BA==, tableContent=null), ArticleFig(id=1168186653693718660, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=EN, label=Fig.7, caption=
Influence of convolution kernel size on RMSE, figureFileSmall=n8sABSFhpHUeSksZsLL1ug==, figureFileBig=knRWsgcsfLA5xgDoNVNnqA==, tableContent=null), ArticleFig(id=1168186653748244613, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=CN, label=图7, caption=
卷积核尺寸对RMSE的影响, figureFileSmall=n8sABSFhpHUeSksZsLL1ug==, figureFileBig=knRWsgcsfLA5xgDoNVNnqA==, tableContent=null), ArticleFig(id=1168186653811159174, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=EN, label=Fig.8, caption=
Influence of filter number on RMSE, figureFileSmall=0M53MZOQDmsuqSOrWPbhGQ==, figureFileBig=Cj2x2euZgjEuAFjB23LHyA==, tableContent=null), ArticleFig(id=1168186653903433863, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=CN, label=图8, caption=
滤波器数量对RMSE的影响, figureFileSmall=0M53MZOQDmsuqSOrWPbhGQ==, figureFileBig=Cj2x2euZgjEuAFjB23LHyA==, tableContent=null), ArticleFig(id=1168186653970542728, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=EN, label=Fig.9, caption=
Influence of iteration times on RMSE, figureFileSmall=wDnLzWTpwgAgcbZ207pYsw==, figureFileBig=W3Arqo9TnjvsxRlX+f6u7Q==, tableContent=null), ArticleFig(id=1168186654020874377, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=CN, label=图9, caption=
迭代次数对RMSE的影响, figureFileSmall=wDnLzWTpwgAgcbZ207pYsw==, figureFileBig=W3Arqo9TnjvsxRlX+f6u7Q==, tableContent=null), ArticleFig(id=1168186654075400330, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=EN, label=Fig.10, caption=
Evaluation of each module of model, figureFileSmall=xY5n6mvgydmNMoXS+UccHg==, figureFileBig=+QxdCruyZ6ng2lksiml6WQ==, tableContent=null), ArticleFig(id=1168186654213812363, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=CN, label=图10, caption=
模型各模块评估, figureFileSmall=xY5n6mvgydmNMoXS+UccHg==, figureFileBig=+QxdCruyZ6ng2lksiml6WQ==, tableContent=null), ArticleFig(id=1168186654310281356, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=EN, label=Fig.11, caption=
Comparison between predicted value and real value, figureFileSmall=Mz3EqGiC2Ln3WCJW3WBqZg==, figureFileBig=UBvigVHRtagud+7riDKzFA==, tableContent=null), ArticleFig(id=1168186654377390221, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=CN, label=图11, caption=
预测值与真实值对比, figureFileSmall=Mz3EqGiC2Ln3WCJW3WBqZg==, figureFileBig=UBvigVHRtagud+7riDKzFA==, tableContent=null), ArticleFig(id=1168186654436110478, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=EN, label=, caption=
, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法1:基于ACLR的交通流量预测算法 |
Input:历史数据: ; 外部特征: ; POI密度: ; “邻近性、周期性、趋势性”数据集的步长: ; 周期跨度:p;趋势跨度:q; Output:训练完成的ACLR模型M |
//构造训练实例 1 D ←Ø 2 for do //t为所有可用时间间隔 3 4 5 // 为目标时刻t的预测流量 6将一个训练实例 输入D //训练模型 7初始化参数 8 repeat 9 从D中随机选择一批训练实例 10 输入 ,调整参数 ,使得式(6)最小化 11 until达到最大迭代次数 12 return M |
), ArticleFig(id=1168186654507413647, tenantId=1146029695717560320, journalId=1146031787341344770, articleId=1149738771702264027, language=CN, label=, caption=
, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法1:基于ACLR的交通流量预测算法 |
Input:历史数据: ; 外部特征: ; POI密度: ; “邻近性、周期性、趋势性”数据集的步长: ; 周期跨度:p;趋势跨度:q; Output:训练完成的ACLR模型M |
//构造训练实例 1 D ←Ø 2 for do //t为所有可用时间间隔 3 4 5 // 为目标时刻t的预测流量 6将一个训练实例 输入D //训练模型 7初始化参数 8 repeat 9 从D中随机选择一批训练实例 10 输入 ,调整参数 ,使得式(6)最小化 11 until达到最大迭代次数 12 return M |
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Beijing taxi track data set
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| 参数 | 数值 |
| 数据类型 | 北京市出租车GPS数据 |
| 时间跨度 | 2013-07-01—2013-10-30 2014-03-01—2014-06-30 2015-03-01—2015-06-30 2015-11-01—2016-04-10 |
| 时间间隙/min | 30 |
| 网格尺寸 | 32×32 |
| 网格尺寸 | 32×32 |
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北京出租车轨迹数据集合
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| 参数 | 数值 |
| 数据类型 | 北京市出租车GPS数据 |
| 时间跨度 | 2013-07-01—2013-10-30 2014-03-01—2014-06-30 2015-03-01—2015-06-30 2015-11-01—2016-04-10 |
| 时间间隙/min | 30 |
| 网格尺寸 | 32×32 |
| 网格尺寸 | 32×32 |
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External data set
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| 外部数据 | 描述 |
| 天气情况 | 16种天气类型 |
| 温度/℃ | [-24.6,41.0] |
| 风速/(m·s-1) | [0,48.6] |
| 节假日 | 周末、法定节假日 |
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外部数据集
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| 外部数据 | 描述 |
| 天气情况 | 16种天气类型 |
| 温度/℃ | [-24.6,41.0] |
| 风速/(m·s-1) | [0,48.6] |
| 节假日 | 周末、法定节假日 |
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Model comparison
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| 模型 | 条件 | RMSE | MAPE/% |
| ARIMA | 无POI密度 | 22.78 | 43.16 |
| LSTM | 无POI密度 | 24.81 | 35.64 |
| ST-ResNet | 无POI密度 | 16.69 | 23.92 |
| CRL | 无POI密度 | 16.10 | 21.35 |
| ACFM | 无POI密度 | 15.40 | 19.31 |
| ACLR | 无POI密度 | 15.31 | 17.83 |
| 考虑POI密度 | 14.52 | 16.57 |
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模型对比
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| 模型 | 条件 | RMSE | MAPE/% |
| ARIMA | 无POI密度 | 22.78 | 43.16 |
| LSTM | 无POI密度 | 24.81 | 35.64 |
| ST-ResNet | 无POI密度 | 16.69 | 23.92 |
| CRL | 无POI密度 | 16.10 | 21.35 |
| ACFM | 无POI密度 | 15.40 | 19.31 |
| ACLR | 无POI密度 | 15.31 | 17.83 |
| 考虑POI密度 | 14.52 | 16.57 |
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