Article(id=1149774731550875924, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149774724923880044, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2403279, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1714924800000, receivedDateStr=2024-05-06, revisedDate=1737561600000, revisedDateStr=2025-01-23, acceptedDate=null, acceptedDateStr=null, onlineDate=1752057257783, onlineDateStr=2025-07-09, pubDate=1745769600000, pubDateStr=2025-04-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752057257783, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752057257783, creator=13701087609, updateTime=1752057257783, updator=13701087609, issue=Issue{id=1149774724923880044, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='12', pageStart='4827', pageEnd='5272', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752057256203, creator=13701087609, updateTime=1768456746933, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1218559174552764785, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149774724923880044, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1218559174552764786, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149774724923880044, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=5083, endPage=5092, ext={EN=ArticleExt(id=1149774731940946198, articleId=1149774731550875924, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=YOLOv8 Road Crack Target Detection Method Integrating Dynamic Snake Convolution, columnId=1156262729162810294, journalTitle=Science Technology and Engineering, columnName=Papers·Automation and Computational Technology, runingTitle=null, highlight=null, articleAbstract=
In response to the challenges of low efficiency, high cost, and difficulty in deployment on mobile devices in current road damage detection technology, a novel road crack detection method based on the improved YOLOv8 algorithm, named YOLOv8 road crack (YOLOv8-RC), was proposed. The C2f module, based on the YOLOv8n architecture, was enhanced through the introduction of dynamic snake convolution technology, which more accurately identified tubular structural features and adaptively focuses on fine and curved local structures. Furthermore, a highly efficient multi-scale attention(EMA) mechanism was incorporated into the algorithm, effectively enhancing recognition accuracy. In the neck structure of the model, a weighted bidirectional pyramid network(BiFPN) was added to achieve multi-scale fusion of features, thereby optimizing both the accuracy and efficiency of the algorithm. Experimental results on the RDD2022-China-MotorBike and RDD2022-Japan datasets demonstrate that the improved YOLOv8n-RC model achieves mAP50 scores of 78.8% and 43.8%, respectively, representing improvements of 3.9% and 3% over the original YOLOv8n model. The total number of model parameters for the proposed algorithm is only 2.84 M, and the computational complexity is 7.8 G, underscoring the practicality and superiority of this method.
, correspAuthors=Qing-an YAO, 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, authorCompany=null, fund=null, authors=null, authorsList=Qing-an YAO, You-gang WANG, Yun-cong FENG, Xue-xiao WANG), CN=ArticleExt(id=1149774765000450268, articleId=1149774731550875924, tenantId=1146029695717560320, journalId=1146123166801305609, language=CN, title=融合动态蛇卷积的YOLOv8道路裂缝检测, columnId=1156262729783567290, journalTitle=科学技术与工程, columnName=论文·自动化技术、计算机技术, runingTitle=null, highlight=null, articleAbstract=
针对当前道路损伤检测技术中存在的效率不高、成本过高以及不易于在移动设备上部署等挑战,提出一种基于改进YOLOv8算法的新型道路裂缝检测方法,命名为YOLOv8-RC(YOLOv8-road crack)。所提方法在YOLOv8n的架构基础上,对C2f模块进行改良,引入动态蛇形卷积技术以更精确地识别管状结构特征,同时能够自适应地关注于纤细和弯曲的局部结构。所提算法中新增一种效率高的多尺度注意力机制(efficient multi-scale attention,EMA),有效提升了识别精度。在模型的颈部结构中,加入加权双向金字塔网络(bi-directional feature pyramid network,BiFPN),实现了特征的多尺度融合,优化了算法的精度和效率。在RDD2022_China_MotorBike和RDD2022_Japan两个数据集上的实验结果显示,改进后的YOLOv8n-RC模型的mAP50分别为78.8%和43.8%,较原YOLOv8n模型分别提高了3.9%和3%。所提算法的模型参数总量仅为2.84 M,计算复杂度为7.8 G,从而证明了所提方法的实用性和优越性。
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姚庆安(1975—),男,汉族,吉林长春人,硕士,副教授。研究方向:图像处理、智能数据处理、深度学习。E-mail:yao@ccut.edu.cn。
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姚庆安(1975—),男,汉族,吉林长春人,硕士,副教授。研究方向:图像处理、智能数据处理、深度学习。E-mail:yao@ccut.edu.cn。
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Optimized YOLOv8n network structure, figureFileSmall=saZgBD328wHkMKALZCeQyQ==, figureFileBig=CVG0Xayt+KGZue2t7VB1ug==, tableContent=null), ArticleFig(id=1179790680646889856, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=CN, label=图1, caption=
优化的YOLOv8n网络结构 input为输入;Conv为卷积块;C2f为融合两卷积Bottleneck的CSP快速实现;C2f-DSConv为融入动态蛇卷积的模块;SPPF为空间金字塔池化; Concat_BiFPN为加权双向特征金字塔网络;Upsample为上采样层;EMA为注意力机制层;Detect为检测层;OutPut为输出
, figureFileSmall=saZgBD328wHkMKALZCeQyQ==, figureFileBig=CVG0Xayt+KGZue2t7VB1ug==, tableContent=null), ArticleFig(id=1179790680730775938, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=EN, label=Fig.2, caption=
Illustration of the coordinates calculation of the DSConv, figureFileSmall=v0IT2+mFqd9Mdvt1W2nOtw==, figureFileBig=DmklxqJlI/zzkUSLgvpidA==, tableContent=null), ArticleFig(id=1179790680802079108, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=CN, label=图2, caption=
DSConv 的坐标计算示意图 Billnear interpolation为双线性差值;x:i-4~i+4为x轴取值范围;y:j-4~j+4为y轴取值范围
, figureFileSmall=v0IT2+mFqd9Mdvt1W2nOtw==, figureFileBig=DmklxqJlI/zzkUSLgvpidA==, tableContent=null), ArticleFig(id=1179790680852410758, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=EN, label=Fig.3, caption=
The receptive field of the DSConv, figureFileSmall=iOx9ksL3ctbeJY+eSS8/kQ==, figureFileBig=/7pCBMP1QOCwVfPF+0SiDQ==, tableContent=null), ArticleFig(id=1179790680940491144, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=CN, label=图3, caption=
DSConv 的接收域 x type convertion为x型转换;y type convertion为y型转换;x:i-4~i+4为x轴取值范围;y:j-4~j+4为y轴取值范围
, figureFileSmall=iOx9ksL3ctbeJY+eSS8/kQ==, figureFileBig=/7pCBMP1QOCwVfPF+0SiDQ==, tableContent=null), ArticleFig(id=1179790680995017098, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=EN, label=Fig.4, caption=
Structure of EMA attention mechanism, figureFileSmall=zH8/KspTaYrypVKgZYmcfQ==, figureFileBig=JBP5cHV0GkZfc/AHERFzWg==, tableContent=null), ArticleFig(id=1179790681053737355, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=CN, label=图4, caption=
EMA注意力机制结构 Input为输入;Cross-spatial learning为跨空间学习组块Re-weight为权重;GroupNorm为数据归一化操作;Softmax为自然非线性函数;Matmul为矩阵点积相乘运算;X、Y、Conv为3条并行子网;X Avg Pool为1D水平全局池;Y Avg Pool为示1D垂直全局池;Concat+Conv(1×1)为连接提取特征;Sigmoid为捕捉像素级成对关系的函数;Output为输出
, figureFileSmall=zH8/KspTaYrypVKgZYmcfQ==, figureFileBig=JBP5cHV0GkZfc/AHERFzWg==, tableContent=null), ArticleFig(id=1179790681108263308, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=EN, label=Fig.5, caption=
BiFPN feature network design, figureFileSmall=MfvkPMCc6gyqppLm8y+Ncw==, figureFileBig=DWXnqfKmnc6I9h+teXZXBQ==, tableContent=null), ArticleFig(id=1179790681171177869, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=CN, label=图5, caption=
BiFPN特征网络设计 P3~P7为3~7级的多尺度特征
, figureFileSmall=MfvkPMCc6gyqppLm8y+Ncw==, figureFileBig=DWXnqfKmnc6I9h+teXZXBQ==, tableContent=null), ArticleFig(id=1179790681225703822, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=EN, label=Fig.6, caption=
Damage category-based data statistics for RDD2022, figureFileSmall=OarU2nV5AXURmFvxLLQOtw==, figureFileBig=aC+GOdhfYzCqLTb6G744RA==, tableContent=null), ArticleFig(id=1179790681313784207, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=CN, label=图6, caption=
RDD 2022裂缝类别的数据统计 中国数据分为China_M和China_D,其中,China_M由摩托车上装置智能手机拍摄得到,China_D中的图片由无人机搭载摄像头拍摄得到
, figureFileSmall=OarU2nV5AXURmFvxLLQOtw==, figureFileBig=aC+GOdhfYzCqLTb6G744RA==, tableContent=null), ArticleFig(id=1179790681380893072, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=EN, label=Fig.7, caption=
Heat map of the module sensitivity correlation matrix, figureFileSmall=8rJIDLFqY2FtDbyKG5d12A==, figureFileBig=s8inBSSl+RasNuMMRzDRpw==, tableContent=null), ArticleFig(id=1179790681439613329, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=CN, label=图7, caption=
模块敏感性相关矩阵热力图, figureFileSmall=8rJIDLFqY2FtDbyKG5d12A==, figureFileBig=s8inBSSl+RasNuMMRzDRpw==, tableContent=null), ArticleFig(id=1179790681494139282, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=EN, label=Fig.8, caption=
Comparison of detection results, figureFileSmall=C+teFRtWOP0ThsDluPWOdQ==, figureFileBig=/3Sbz8HxxYmdvrKODBhDxQ==, tableContent=null), ArticleFig(id=1179790681557053843, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=CN, label=图8, caption=
检测结果对比, figureFileSmall=C+teFRtWOP0ThsDluPWOdQ==, figureFileBig=/3Sbz8HxxYmdvrKODBhDxQ==, tableContent=null), ArticleFig(id=1179790681607385492, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=EN, label=Fig.9, caption=
Comparison of detection results, figureFileSmall=6S3/UpBrFKlKKzXmPaLS1Q==, figureFileBig=/pnOzxl/AB66JftH6DzU4g==, tableContent=null), ArticleFig(id=1179790681661911445, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=CN, label=图9, caption=
检测结果对比, figureFileSmall=6S3/UpBrFKlKKzXmPaLS1Q==, figureFileBig=/pnOzxl/AB66JftH6DzU4g==, tableContent=null), ArticleFig(id=1179790681720631702, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=EN, label=Fig.10, caption=
Comparison of detection results, figureFileSmall=hhBKM7TZy7iwonsGrWvrbA==, figureFileBig=REQJqkVIQmwkFRguBHgwSQ==, tableContent=null), ArticleFig(id=1179790681779351959, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=CN, label=图10, caption=
检测结果对比, figureFileSmall=hhBKM7TZy7iwonsGrWvrbA==, figureFileBig=REQJqkVIQmwkFRguBHgwSQ==, tableContent=null), ArticleFig(id=1179790681842266520, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=EN, label=Table 1, caption=
Experimental operating environment
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| 类别 | 版本号 |
| 操作系统 | Ubuntu20.04 |
| CPU | Intel(R) Xeon(R) Silver 4210R CPU @2.40 GHz |
| GPU | NVIDIA Quadro RTX 4000 |
| Pytorch版本 | Pytorch 1.12.1 |
| CUDA版本 | CUDA 11.3 |
), ArticleFig(id=1179790681913569689, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=CN, label=表1, caption=
实验运行环境
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| 类别 | 版本号 |
| 操作系统 | Ubuntu20.04 |
| CPU | Intel(R) Xeon(R) Silver 4210R CPU @2.40 GHz |
| GPU | NVIDIA Quadro RTX 4000 |
| Pytorch版本 | Pytorch 1.12.1 |
| CUDA版本 | CUDA 11.3 |
), ArticleFig(id=1179790681989067162, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=EN, label=Table 2, caption=
Results of ablation experiments on the RDD 2022-China_MotorBike dataset
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| 模型 | DSConv | EMA | BiFPN | P/% | R/% | mAP50/% | mAP50-95/% | Params/M | FLOPs/G |
| YOLOv8n | × | × | × | 77.9 | 66.7 | 74.9 | 42.8 | 3.01 | 8.1 |
| YOLOv8n-D | √ | × | × | 79.3 | 68.3 | 75.4 | 44.4 | 3.70 | 8.5 |
| YOLOv8n-E | × | √ | × | 79.6 | 69.1 | 75.6 | 42.6 | 3.03 | 8.4 |
| YOLOv8n-B | × | × | √ | 76.2 | 69.1 | 75.7 | 43.9 | 2.76 | 7.3 |
| YOLOv8n-DE | √ | √ | × | 80.4 | 70.9 | 76.6 | 43.8 | 3.78 | 8.8 |
| YOLOv8n-DB | √ | × | √ | 80.2 | 67.9 | 76.5 | 42.7 | 3.17 | 7.7 |
| YOLOv8n-RC | √ | √ | √ | 81.2 | 69.8 | 78.8 | 45.6 | 2.84 | 7.8 |
), ArticleFig(id=1179790682064564635, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=CN, label=表2, caption=
在RDD 2022-China_MotorBike数据集上的消融实验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | DSConv | EMA | BiFPN | P/% | R/% | mAP50/% | mAP50-95/% | Params/M | FLOPs/G |
| YOLOv8n | × | × | × | 77.9 | 66.7 | 74.9 | 42.8 | 3.01 | 8.1 |
| YOLOv8n-D | √ | × | × | 79.3 | 68.3 | 75.4 | 44.4 | 3.70 | 8.5 |
| YOLOv8n-E | × | √ | × | 79.6 | 69.1 | 75.6 | 42.6 | 3.03 | 8.4 |
| YOLOv8n-B | × | × | √ | 76.2 | 69.1 | 75.7 | 43.9 | 2.76 | 7.3 |
| YOLOv8n-DE | √ | √ | × | 80.4 | 70.9 | 76.6 | 43.8 | 3.78 | 8.8 |
| YOLOv8n-DB | √ | × | √ | 80.2 | 67.9 | 76.5 | 42.7 | 3.17 | 7.7 |
| YOLOv8n-RC | √ | √ | √ | 81.2 | 69.8 | 78.8 | 45.6 | 2.84 | 7.8 |
), ArticleFig(id=1179790682127479196, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=EN, label=Table 3, caption=
Comparison of attention mechanisms
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | mAP50/% | mAP50-95/% | Params/M |
| YOLOv8n+CBAM | 74.2 | 42.2 | 3.95 |
| YOLOv8n+CA | 74.8 | 42.2 | 3.12 |
| YOLOv8n+EMA | 75.6 | 42.6 | 3.03 |
), ArticleFig(id=1179790682182005149, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=CN, label=表3, caption=
注意力机制对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | mAP50/% | mAP50-95/% | Params/M |
| YOLOv8n+CBAM | 74.2 | 42.2 | 3.95 |
| YOLOv8n+CA | 74.8 | 42.2 | 3.12 |
| YOLOv8n+EMA | 75.6 | 42.6 | 3.03 |
), ArticleFig(id=1179790682236531102, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=EN, label=Table 4, caption=
Experimental comparison results of different algorithms on RDD2022_China_MotorBike dataset
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | mAP50/% | Params/M | FLOPs/G |
| YOLOv3 | 79.6 | 295.60 | 81.4 |
| YOLOv4-tiny | 58.5 | 5.69 | 16.3 |
| YOLOv5s | 73.8 | 3.33 | 11.2 |
| YOLOv7 | 73.6 | 3.38 | 11.6 |
| YOLOv8n | 74.9 | 3.01 | 8.1 |
| 本文算法 | 78.8 | 2.84 | 7.8 |
), ArticleFig(id=1179790682312028575, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=CN, label=表4, caption=
不同算法在RDD2022_China_MotorBike数据集上的实验对比结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | mAP50/% | Params/M | FLOPs/G |
| YOLOv3 | 79.6 | 295.60 | 81.4 |
| YOLOv4-tiny | 58.5 | 5.69 | 16.3 |
| YOLOv5s | 73.8 | 3.33 | 11.2 |
| YOLOv7 | 73.6 | 3.38 | 11.6 |
| YOLOv8n | 74.9 | 3.01 | 8.1 |
| 本文算法 | 78.8 | 2.84 | 7.8 |
), ArticleFig(id=1179790682374943136, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=EN, label=Table 5, caption=
Experimental comparison results of different algorithms on RDD2022_Japan data sets
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | mAP50/% | Params/M | FLOPs/G |
| YOLOv3 | 41.5 | 295.60 | 81.4 |
| YOLOv4-tiny | 30.7 | 5.69 | 16.3 |
| YOLOv5s | 38.9 | 3.33 | 11.2 |
| YOLOv7 | 38.8 | 3.38 | 11.6 |
| YOLOv8n | 40.8 | 3.00 | 8.2 |
| 本文算法 | 43.8 | 2.84 | 7.8 |
), ArticleFig(id=1179790682437857697, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149774731550875924, language=CN, label=表5, caption=
不同算法在RDD2022_Japan数据集上的实验对比结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | mAP50/% | Params/M | FLOPs/G |
| YOLOv3 | 41.5 | 295.60 | 81.4 |
| YOLOv4-tiny | 30.7 | 5.69 | 16.3 |
| YOLOv5s | 38.9 | 3.33 | 11.2 |
| YOLOv7 | 38.8 | 3.38 | 11.6 |
| YOLOv8n | 40.8 | 3.00 | 8.2 |
| 本文算法 | 43.8 | 2.84 | 7.8 |
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