Article(id=1209871352731922432, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1209871350727046121, articleNumber=null, orderNo=null, doi=10.19620/j.cnki.1000-3703.20230550, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1766385408814, onlineDateStr=2025-12-22, pubDate=1724428800000, pubDateStr=2024-08-24, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766385408814, onlineIssueDateStr=2025-12-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766385408814, creator=13701087609, updateTime=1766385408814, updator=13701087609, issue=Issue{id=1209871350727046121, tenantId=1146029695717560320, journalId=1189621681917173762, year='2024', volume='', issue='8', pageStart='1', pageEnd='62', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1766385408335, creator=13701087609, updateTime=1766386486799, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1209875874179051590, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1209871350727046121, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1209875874179051591, tenantId=1146029695717560320, journalId=1189621681917173762, issueId=1209871350727046121, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=7, endPage=13, ext={EN=ArticleExt(id=1209871353604337673, articleId=1209871352731922432, tenantId=1146029695717560320, journalId=1189621681917173762, language=EN, title=A Two-Stage 3D Point Cloud Object Detection Algorithm for Road Surfaces, columnId=null, journalTitle=Automobile Technology, columnName=null, runingTitle=null, highlight=null, articleAbstract=
The 3D point cloud object detection algorithm based on deep learning is prone to issues such as inability to maintain network performance and poor transferability when changing scenes or devices. To address this issue, this article proposes an Accurate, Flexible, and highly transferable two-stage 3D point cloud object detection algorithm (AF3D). In the first stage of the AF3D detection algorithm, a segmented fitting algorithm is used to remove the road surface from the collected laser point cloud, then DBSCAN algorithm is used to cluster non-ground point clouds and obtain several clustering clusters. In the second stage of the AF3D detection algorithm, a point cloud fully connected network PFC-Net is established, and features are extracted and classified. Through experiments, it has been proven that this algorithm can achieve good detection performance on public KITTI datasets, and the detection accuracy for cars, pedestrians, and cyclists on real vehicle datasets is 69.74%, 41.25%, and 54.33%, respectively, indicating good transferability.
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*, columnId=0, journalTitle=汽车技术, columnName=, runingTitle=null, highlight=null, articleAbstract=
针对基于深度学习的三维点云目标检测算法在更换场景或设备的情况下容易出现网络性能无法维持、可迁移性较差的问题,提出一种准确、灵活且迁移性较好的两阶段三维点云目标检测算法(AF3D):在第一阶段,对采集到的激光点云使用分段拟合算法去除路面,并使用具有噪声应用的基于密度的空间聚类(DBSCAN)算法对非地面点云进行聚类,得到若干个聚类簇;在第二阶段,搭建点云全连接网络(PFC-Net)对聚类簇提取特征并进行分类。试验结果表明:该算法在KITTI数据集上可实现良好的检测性能,且在实车数据集上对汽车、行人、骑行者的检测精度分别为69.74%,41.25%、54.33%,具有较好的可迁移性。
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高扬(1982—),男,陕西西安人,教授,博士生导师,研究方向为移动机器人导航技术、机器人学、人工智能技术、机器视觉技术、计算机控制技术、运动控制技术、物流工程技术等,
nchygy@126.com。
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2019: 4524-4529., articleTitle=On Enhancing Ground Surface Detection from Sparse Lidar Point Cloud, refAbstract=null)], funds=[Fund(id=1209908882319733175, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, awardId=2019JLP-07, language=CN, fundingSource=*陕西省自然科学基金项目(2019JLP-07), fundOrder=null, country=null), Fund(id=1209908882453950906, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, awardId=2019JM-309, language=CN, fundingSource=陕西省自然科学基金项目(2019JM-309), fundOrder=null, country=null), Fund(id=1209908882521059772, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, awardId=21RGZN0005, language=CN, fundingSource=西安市科技局支持项目(21RGZN0005), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1209908874644156710, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, xref=null, ext=[AuthorCompanyExt(id=1209908874648351015, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, companyId=1209908874644156710, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Chang’an University, Xi’an 710000), AuthorCompanyExt(id=1209908874656739624, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, companyId=1209908874644156710, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=长安大学,西安 710000)])], figs=[ArticleFig(id=1209908878125429106, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=EN, label=null, caption=null, figureFileSmall=nXyYjcY91SIeZJ4Y5LBSug==, figureFileBig=bLpQ0JvYkxbYhjQQk8W3TQ==, tableContent=null), ArticleFig(id=1209908878188343668, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=CN, label=图1, caption=
两阶段三维点云目标检测(AF3D)算法示意, figureFileSmall=nXyYjcY91SIeZJ4Y5LBSug==, figureFileBig=bLpQ0JvYkxbYhjQQk8W3TQ==, tableContent=null), ArticleFig(id=1209908878305784183, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=EN, label=null, caption=null, figureFileSmall=0T69Vb6q1tt4IsKJlFCeGg==, figureFileBig=8E8f64yxGAkM6U9juyrMMg==, tableContent=null), ArticleFig(id=1209908878385475963, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=CN, label=图2, caption=
点云地面分割算法效果, figureFileSmall=0T69Vb6q1tt4IsKJlFCeGg==, figureFileBig=8E8f64yxGAkM6U9juyrMMg==, tableContent=null), ArticleFig(id=1209908878481944957, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=EN, label=null, caption=null, figureFileSmall=jtQvbv7OZmOE8brA4bhdrg==, figureFileBig=0wJ5sKy0LZZNoKUkYtzUNw==, tableContent=null), ArticleFig(id=1209908878570025341, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=CN, label=图3, caption=
基于DBSCAN的点云聚类算法流程, figureFileSmall=jtQvbv7OZmOE8brA4bhdrg==, figureFileBig=0wJ5sKy0LZZNoKUkYtzUNw==, tableContent=null), ArticleFig(id=1209908878632939902, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=EN, label=null, caption=null, figureFileSmall=/E//qIEMg4H5IMKWQGEEVw==, figureFileBig=se1N99J9+UO+CNH/scxRIw==, tableContent=null), ArticleFig(id=1209908878721020288, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=CN, label=图4, caption=
基于DBSCAN算法的点云聚类结果, figureFileSmall=/E//qIEMg4H5IMKWQGEEVw==, figureFileBig=se1N99J9+UO+CNH/scxRIw==, tableContent=null), ArticleFig(id=1209908878779740546, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=EN, label=null, caption=null, figureFileSmall=KQ2yN1dYY9x2loQneeuwIw==, figureFileBig=6t/JwsoziM6nA98dg76WKQ==, tableContent=null), ArticleFig(id=1209908878888792453, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=CN, label=图5, caption=
点云全连接网络结构示意, figureFileSmall=KQ2yN1dYY9x2loQneeuwIw==, figureFileBig=6t/JwsoziM6nA98dg76WKQ==, tableContent=null), ArticleFig(id=1209908878989455750, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=EN, label=null, caption=null, figureFileSmall=zJCJbhKoj9F4Qj+kqelpmg==, figureFileBig=1XxRqXm8+3H3l3PKu83qLA==, tableContent=null), ArticleFig(id=1209908879069147527, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=CN, label=图6, caption=
目标点云提取过程, figureFileSmall=zJCJbhKoj9F4Qj+kqelpmg==, figureFileBig=1XxRqXm8+3H3l3PKu83qLA==, tableContent=null), ArticleFig(id=1209908879140450697, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=EN, label=null, caption=null, figureFileSmall=27RV9s2LXwqzrbanLX3kCQ==, figureFileBig=IKxhuU1xnDreweCcV1rqyA==, tableContent=null), ArticleFig(id=1209908879249502603, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=CN, label=图7, caption=
KITTI数据集各类别点云提取可视化结果, figureFileSmall=27RV9s2LXwqzrbanLX3kCQ==, figureFileBig=IKxhuU1xnDreweCcV1rqyA==, tableContent=null), ArticleFig(id=1209908879320805772, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=EN, label=null, caption=null, figureFileSmall=ZnSZifbj1rb3hbL0Lf1QMw==, figureFileBig=bVydecKOtmDVpsRWQtRNvg==, tableContent=null), ArticleFig(id=1209908879383720334, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=CN, label=图8, caption=
点云地面分割, figureFileSmall=ZnSZifbj1rb3hbL0Lf1QMw==, figureFileBig=bVydecKOtmDVpsRWQtRNvg==, tableContent=null), ArticleFig(id=1209908879442440591, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=EN, label=null, caption=null, figureFileSmall=FQu95Lg0nOQ+XSHWx8HqBw==, figureFileBig=jifWmbetmFtf90XLtbKO2w==, tableContent=null), ArticleFig(id=1209908879517938065, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=CN, label=图9, caption=
点云聚类生成, figureFileSmall=FQu95Lg0nOQ+XSHWx8HqBw==, figureFileBig=jifWmbetmFtf90XLtbKO2w==, tableContent=null), ArticleFig(id=1209908879597629843, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=EN, label=null, caption=null, figureFileSmall=csinQHI8O76DHJJrIqLWBA==, figureFileBig=f4RITxk6Flt7dnmPU71Iog==, tableContent=null), ArticleFig(id=1209908879660544404, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=CN, label=图10, caption=
AF3D算法检测结果可视化, figureFileSmall=csinQHI8O76DHJJrIqLWBA==, figureFileBig=f4RITxk6Flt7dnmPU71Iog==, tableContent=null), ArticleFig(id=1209908879715070357, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=EN, label=null, caption=null, figureFileSmall=qgoXb3vemPGmBJy7LpjzVg==, figureFileBig=u45ZQkX+PVFCzTjt6vt97Q==, tableContent=null), ArticleFig(id=1209908879786373527, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=CN, label=图11, caption=
实车数据采集平台, figureFileSmall=qgoXb3vemPGmBJy7LpjzVg==, figureFileBig=u45ZQkX+PVFCzTjt6vt97Q==, tableContent=null), ArticleFig(id=1209908879845093785, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=EN, label=null, caption=null, figureFileSmall=IiImT+vO+nJtuC/GQ4nYTw==, figureFileBig=0YhJFt5y4UAJyCVatjnZ9w==, tableContent=null), ArticleFig(id=1209908879933174171, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=CN, label=图12, caption=
实车数据集部分场景示例, figureFileSmall=IiImT+vO+nJtuC/GQ4nYTw==, figureFileBig=0YhJFt5y4UAJyCVatjnZ9w==, tableContent=null), ArticleFig(id=1209908880046420381, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=EN, label=null, caption=null, figureFileSmall=8C/e4CnVZiERsOvvZeKuYQ==, figureFileBig=WPUDY77yqITFRiMN1YpUZA==, tableContent=null), ArticleFig(id=1209908880109334942, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=CN, label=图13, caption=
点云预处理, figureFileSmall=8C/e4CnVZiERsOvvZeKuYQ==, figureFileBig=WPUDY77yqITFRiMN1YpUZA==, tableContent=null), ArticleFig(id=1209908880180638112, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=EN, label=null, caption=null, figureFileSmall=ZSQ1WDRY81HqHYdCe9w3Jw==, figureFileBig=ZKFMPyUym+kM0ztF7oOEuA==, tableContent=null), ArticleFig(id=1209908880247746978, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=CN, label=图14, caption=
AF3D算法在实车数据集上的检测结果, figureFileSmall=ZSQ1WDRY81HqHYdCe9w3Jw==, figureFileBig=ZKFMPyUym+kM0ztF7oOEuA==, tableContent=null), ArticleFig(id=1209908880314855844, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别 | 汽车 | 行人 | 骑行者 | 其他目标 |
| 增强前占比 | 46.92 | 13.41 | 5.24 | 44.91 |
| 增强后占比 | 37.45 | 23.67 | 18.33 | 20.55 |
| 加权随机采样后占比 | 25.46 | 24.67 | 24.36 | 25.51 |
), ArticleFig(id=1209908880386159014, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=CN, label=表1, caption=
各类别目标进行数据增强前、后所占比例 %
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别 | 汽车 | 行人 | 骑行者 | 其他目标 |
| 增强前占比 | 46.92 | 13.41 | 5.24 | 44.91 |
| 增强后占比 | 37.45 | 23.67 | 18.33 | 20.55 |
| 加权随机采样后占比 | 25.46 | 24.67 | 24.36 | 25.51 |
), ArticleFig(id=1209908880470045096, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 方法 | 车辆检测 精度 | 行人检测 精度 | 骑行者检测精度 |
| 中等 | 困难 | 中等 | 困难 | 中等 | 困难 |
| Pointpillars(复现) | 74.58 | 71.55 | 44.08 | 40.97 | 59.35 | 56.38 |
| AF3D | 70.87 | 62.41 | 41.52 | 38.83 | 61.76 | 51.42 |
), ArticleFig(id=1209908881690587563, tenantId=1146029695717560320, journalId=1189621681917173762, articleId=1209871352731922432, language=CN, label=表2, caption=
2种算法基于KITTI 3D Object数据集的检测精度 %
, figureFileSmall=null, figureFileBig=null, tableContent=
| 方法 | 车辆检测 精度 | 行人检测 精度 | 骑行者检测精度 |
| 中等 | 困难 | 中等 | 困难 | 中等 | 困难 |
| Pointpillars(复现) | 74.58 | 71.55 | 44.08 | 40.97 | 59.35 | 56.38 |
| AF3D | 70.87 | 62.41 | 41.52 | 38.83 | 61.76 | 51.42 |
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| 类别 | 数值 |
| 线束数量/线 | 64 |
| 激光波长/nm | 905 |
| 测距能力/m | 0.3~200(10%反射率) |
| 出点数量/点·s-1 | ~1 152 000(单回波模式)/~2 304 000(双回波模式) |
| 水平视场角/(°) | 360 |
| 垂直视场角/(°) | 40(-25°~15°) |
| 水平角分辨率/(°) | 0.2(10 Hz)/0.4(20 Hz) |
| 垂直角分辨率/(°) | 0.167°/1°/2°/3°/4°/5°/6° |
| 帧率/Hz | 10(600 r/min)/20(1 200 r/min) |
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Pandar 64线激光雷达设备参数
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| 类别 | 数值 |
| 线束数量/线 | 64 |
| 激光波长/nm | 905 |
| 测距能力/m | 0.3~200(10%反射率) |
| 出点数量/点·s-1 | ~1 152 000(单回波模式)/~2 304 000(双回波模式) |
| 水平视场角/(°) | 360 |
| 垂直视场角/(°) | 40(-25°~15°) |
| 水平角分辨率/(°) | 0.2(10 Hz)/0.4(20 Hz) |
| 垂直角分辨率/(°) | 0.167°/1°/2°/3°/4°/5°/6° |
| 帧率/Hz | 10(600 r/min)/20(1 200 r/min) |
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| 类别 | 参数 |
| 系统 | Ubuntu16.04 LTS |
| 运行内存/GB | 8 |
| 处理器 | Inter Core i7-6500U @2.50 GHz 双核 |
| 内存/GB | 500 |
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笔记本电脑参数
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| 类别 | 参数 |
| 系统 | Ubuntu16.04 LTS |
| 运行内存/GB | 8 |
| 处理器 | Inter Core i7-6500U @2.50 GHz 双核 |
| 内存/GB | 500 |
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| 方法 | 汽车检测 精度 | 行人检测 精度 | 骑行者检测 精度 |
| Pointpillars | 52.24 | 31.73 | 39.46 |
| AF3D算法 | 69.74 | 41.25 | 54.33 |
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2种算法基于实车数据集的检测精度 %
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| 方法 | 汽车检测 精度 | 行人检测 精度 | 骑行者检测 精度 |
| Pointpillars | 52.24 | 31.73 | 39.46 |
| AF3D算法 | 69.74 | 41.25 | 54.33 |
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