Article(id=1154021704553714417, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1154021703362532078, articleNumber=null, orderNo=null, doi=10.19562/j.chinasae.qcgc.2024.12.014, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1715356800000, receivedDateStr=2024-05-11, revisedDate=1718726400000, revisedDateStr=2024-06-19, acceptedDate=null, acceptedDateStr=null, onlineDate=1753069815052, onlineDateStr=2025-07-21, pubDate=1735056000000, pubDateStr=2024-12-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753069815052, onlineIssueDateStr=2025-07-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753069815052, creator=13701087609, updateTime=1753069815052, updator=13701087609, issue=Issue{id=1154021703362532078, tenantId=1146029695717560320, journalId=1146120084050784272, year='2024', volume='46', issue='12', pageStart='2143', pageEnd='2354', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=0, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753069814768, creator=13701087609, updateTime=1753074363847, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1154040783624724753, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1154021703362532078, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1154040783624724754, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1154021703362532078, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=2279, endPage=2289, ext={EN=ArticleExt(id=1154021704960561907, articleId=1154021704553714417, tenantId=1146029695717560320, journalId=1146120084050784272, language=EN, title=Collaborative Perception Based on Point Cloud Spatio-Temporal Feature Compensation Network for Intelligent Connected Vehicles, columnId=1149809889280750125, journalTitle=Automotive Engineering, columnName=Selected Papers, runingTitle=null, highlight=null, articleAbstract=
In order to overcome the influence of network latency on the cooperative perception accuracy and simultaneously improve the point cloud feature expression capability,a cooperative perception method based on point cloud spatio-temporal feature compensation network for intelligent connected vehicles is proposed. Firstly,the point-to-pillar feature extraction method is used to process the raw point cloud data,and the local neighborhood features of the laser points are then spliced with pillar feature maps. Secondly,the temporal latency compensation module based on the PredRNN algorithm is designed to predict the point cloud features of historical frames received from the surrounding connected vehicles,so as to achieve the synchronization of point cloud features from two vehicles. Thirdly,the spatial feature fusion compensation module is utilized to aggregate the inter-vehicle point cloud features,and multi-resolution features are fused through the bidirectional multi-scale feature pyramid network. The output includes vehicle target geometry size,heading angle and other information. Finally,the test results on the V2V4real dataset and the self-collected dataset demonstrate that the detection accuracy of the proposed method is superior to classical cooperative perception algorithms. Furthermore,it exhibits good adaptability to various latency cases and the inference process meets the real-time requirements.
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为克服网络延迟对协同感知准确率的影响,同时提高点云特征表达能力,本文提出了一种基于时空特征补偿网络的智能网联车辆点云协同感知方法。首先,采用点-体柱特征提取方法对点云原始数据进行处理,将扫描点局部邻域特征与体柱特征图进行拼接;然后,设计基于PredRNN算法的时间延迟补偿模块,对接收到的来自周围网联车辆的历史帧点云特征进行预测,实现两车点云特征同步;其次,利用空间特征融合补偿模块聚合跨车辆点云特征,通过双向多尺度特征金字塔网络融合多分辨率特征,输出车辆目标几何尺寸和航向角等信息;最后,在V2V4real数据集和自制数据集上的测试结果表明,该方法的检测精度优于经典协同感知算法,且对不同网络延迟时间具有较好的适应性,推理时间满足实时性要求。
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典型场景算法性能测试, figureFileSmall=nFkxpSrwT7r9KfKHXLZkKQ==, figureFileBig=pl2tWKrckRnrFob7zKK1nQ==, tableContent=null), ArticleFig(id=1170310984158683681, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1154021704553714417, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法 | 融合方式 | V2V4real | 自制数据集 | 推理时间/ms |
| AP@IoU=0.5 | AP@ IoU=0.7 | AP@ IoU=0.5 | AP@ IoU=0.7 |
| 无融合[18] | 无融合 | 0.653 | 0.484 | 0.606 | 0.402 | 23 |
| Pointpillar[16] | 晚期融合 | 0.736 | 0.645 | 0.727 | 0.620 | 25 |
| Cooper[9] | 早期融合 | 0.823 | 0.731 | 0.812 | 0.725 | 2 263 |
| F-Cooper[12] | 中期融合 | 0.846 | 0.773 | 0.840 | 0.741 | 34 |
| V2Vnet[13] | 中期融合 | 0.842 | 0.801 | 0.845 | 0.809 | 58 |
| CoBEVT[22] | 中期融合 | 0.872 | 0.822 | 0.862 | 0.804 | 61 |
| V2XviT[14] | 中期融合 | 0.894 | 0.837 | 0.882 | 0.834 | 102 |
| 本文算法 | 中期融合 | 0.926 | 0.868 | 0.879 | 0.856 | 48 |
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不同融合算法性能对比
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| 算法 | 融合方式 | V2V4real | 自制数据集 | 推理时间/ms |
| AP@IoU=0.5 | AP@ IoU=0.7 | AP@ IoU=0.5 | AP@ IoU=0.7 |
| 无融合[18] | 无融合 | 0.653 | 0.484 | 0.606 | 0.402 | 23 |
| Pointpillar[16] | 晚期融合 | 0.736 | 0.645 | 0.727 | 0.620 | 25 |
| Cooper[9] | 早期融合 | 0.823 | 0.731 | 0.812 | 0.725 | 2 263 |
| F-Cooper[12] | 中期融合 | 0.846 | 0.773 | 0.840 | 0.741 | 34 |
| V2Vnet[13] | 中期融合 | 0.842 | 0.801 | 0.845 | 0.809 | 58 |
| CoBEVT[22] | 中期融合 | 0.872 | 0.822 | 0.862 | 0.804 | 61 |
| V2XviT[14] | 中期融合 | 0.894 | 0.837 | 0.882 | 0.834 | 102 |
| 本文算法 | 中期融合 | 0.926 | 0.868 | 0.879 | 0.856 | 48 |
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| 算法 | V2V4real(AP@IoU=0.5/0.7) | 自制数据集(AP@IoU=0.5/0.7) |
| 100 ms | 200 ms | 300 ms | 100 ms | 200 ms | 300 ms |
| F-Cooper[12] | 0.697/0.413 | 0.524/0.346 | 0.305/0.173 | 0.587/0.406 | 0.484/0.323 | 0.302/0.143 |
| CoBEVT[22] | 0.725/0.443 | 0.538/0.352 | 0.446/0.223 | 0.622/0.423 | 0.509/0.368 | 0.422/0.195 |
| V2VNet[13] | 0.765/0.480 | 0.563/0.387 | 0.484/0.235 | 0.675/0.462 | 0.533/0.337 | 0.475/0.232 |
| V2XViT[14] | 0.776/0.503 | 0.601/0.437 | 0.491/0.368 | 0.671/0.484 | 0.584/0.389 | 0.483/0.306 |
| 本文算法 | 0.798/0.541 | 0.713/0.524 | 0.538/0.426 | 0.726/0.528 | 0.636/0.432 | 0.532/0.372 |
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不同延迟时间条件下算法性能对比
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| 算法 | V2V4real(AP@IoU=0.5/0.7) | 自制数据集(AP@IoU=0.5/0.7) |
| 100 ms | 200 ms | 300 ms | 100 ms | 200 ms | 300 ms |
| F-Cooper[12] | 0.697/0.413 | 0.524/0.346 | 0.305/0.173 | 0.587/0.406 | 0.484/0.323 | 0.302/0.143 |
| CoBEVT[22] | 0.725/0.443 | 0.538/0.352 | 0.446/0.223 | 0.622/0.423 | 0.509/0.368 | 0.422/0.195 |
| V2VNet[13] | 0.765/0.480 | 0.563/0.387 | 0.484/0.235 | 0.675/0.462 | 0.533/0.337 | 0.475/0.232 |
| V2XViT[14] | 0.776/0.503 | 0.601/0.437 | 0.491/0.368 | 0.671/0.484 | 0.584/0.389 | 0.483/0.306 |
| 本文算法 | 0.798/0.541 | 0.713/0.524 | 0.538/0.426 | 0.726/0.528 | 0.636/0.432 | 0.532/0.372 |
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不同网络延迟时间条件下各算法协同感知效果
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| 特征提取网络 | AP@IoU=0.5 | AP@IoU=0.7 | 推理时间/ms |
| PointPillar[16] | 0.896 | 0.853 | 45 |
| Second[20] | 0.904 | 0.865 | 52 |
| 点-体柱 | 0.926 | 0.868 | 48 |
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不同特征提取网络消融研究
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| 特征提取网络 | AP@IoU=0.5 | AP@IoU=0.7 | 推理时间/ms |
| PointPillar[16] | 0.896 | 0.853 | 45 |
| Second[20] | 0.904 | 0.865 | 52 |
| 点-体柱 | 0.926 | 0.868 | 48 |
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| 延迟补偿模块 | 100 ms | 200 ms | 300 ms | 推理时间/ms |
| AP@IoU=0.5 | AP@IoU=0.7 | AP@IoU=0.5 | AP@IoU=0.7 | AP@IoU=0.5 | AP@IoU=0.7 |
| 无 | 0.707 | 0.423 | 0.535 | 0.348 | 0.317 | 0.192 | 36 |
| Transformer[21] | 0.804 | 0.563 | 0.685 | 0.541 | 0.549 | 0.431 | 215 |
| ConvLSTM[22] | 0.732 | 0.445 | 0.623 | 0.484 | 0.493 | 0.329 | 58 |
| 本文算法 | 0.798 | 0.541 | 0.713 | 0.524 | 0.538 | 0.426 | 48 |
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不同时间延迟补偿模块消融研究
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| 延迟补偿模块 | 100 ms | 200 ms | 300 ms | 推理时间/ms |
| AP@IoU=0.5 | AP@IoU=0.7 | AP@IoU=0.5 | AP@IoU=0.7 | AP@IoU=0.5 | AP@IoU=0.7 |
| 无 | 0.707 | 0.423 | 0.535 | 0.348 | 0.317 | 0.192 | 36 |
| Transformer[21] | 0.804 | 0.563 | 0.685 | 0.541 | 0.549 | 0.431 | 215 |
| ConvLSTM[22] | 0.732 | 0.445 | 0.623 | 0.484 | 0.493 | 0.329 | 58 |
| 本文算法 | 0.798 | 0.541 | 0.713 | 0.524 | 0.538 | 0.426 | 48 |
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| 融合网络 | AP@IoU=0.5 | AP@IoU=0.7 | 推理时间/ms |
| FuseBEVT[23] | 0.902 | 0.815 | 50 |
| FPN [24] | 0.883 | 0.807 | 43 |
| 本文算法 | 0.926 | 0.868 | 48 |
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不同特征融合网络消融研究
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| 融合网络 | AP@IoU=0.5 | AP@IoU=0.7 | 推理时间/ms |
| FuseBEVT[23] | 0.902 | 0.815 | 50 |
| FPN [24] | 0.883 | 0.807 | 43 |
| 本文算法 | 0.926 | 0.868 | 48 |
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