Article(id=1236276110942589104, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236276104999268557, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2025.04.008, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1737993600000, receivedDateStr=2025-01-28, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772680793747, onlineDateStr=2026-03-05, pubDate=1753977600000, pubDateStr=2025-08-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772680793747, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772680793747, creator=13701087609, updateTime=1772680793747, updator=13701087609, issue=Issue{id=1236276104999268557, tenantId=1146029695717560320, journalId=1235980550691926019, year='2025', volume='45', issue='4', pageStart='1', pageEnd='200', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1772680792331, creator=13701087609, updateTime=1772681498687, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236279067746562719, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236276104999268557, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236279067746562720, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236276104999268557, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=47, endPage=51, ext={EN=ArticleExt(id=1236276111265550527, articleId=1236276110942589104, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Recognition of Rock Fracture in Open-Pit Mines by Borehole Imaging Based on Improved U-Net Model, columnId=1236276106018484431, journalTitle=Mining and Metallurgical Engineering, columnName=MINING, runingTitle=null, highlight=null, articleAbstract=
To improve the accuracy of fracture recognition in borehole images, a borehole fracture recognition approach for open-pit mine was proposed. First, borehole images of an open-pit mine is obtained with an intelligent borehole inspection camera, and then data augmentation is performed by using random cropping and image flipping, while median filtering is used for noise reduction and images are converted to grayscalere, so as to eliminate noise and reduce computational complexity. Next, spatial attention and channel attention mechanisms are integrated into the U-Net model to improve the semantic segmentation model for fractures, forming an AU-Net model, which can enhance the model′s ability to extract features from both overall and local image information. Experimental results show that compared to the original U-Net model, the AU-Net model can achieve lower loss and higher accuracy in the fracture recognition dataset by borehole imaging. Specifically, the mean intersection over union is improved by 4.38 percentage points, up to 82.34%, bringing better image segmentation effect.
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为提高钻孔图像裂隙识别精度,提出了一种露天矿钻孔裂隙识别方法,利用智能钻孔摄像技术获取露天矿钻孔图像,并运用随机裁剪和图像翻转进行数据增广,同时采用中值滤波降噪和图像灰度化,去除噪点及减少计算量。在U-Net模型中利用空间注意力和通道注意力机制改进钻孔裂隙语义分割模型,形成AU-Net模型,以强化图像全局和局部信息的特征提取能力。实验结果表明:AU-Net模型相较于U-Net模型在钻孔图像裂隙识别数据集上可以取得更低的损失、更高的精度,均交并比提高了4.38百分点,达到82.34%,图像分割效果更好。
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, authorsList=宋纹瑶, 张梅, 郭连军, 邓丁, 高崇, 赵鑫)}, authors=[Author(id=1236348222139060980, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=sj5526@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1236348222273278724, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, authorId=1236348222139060980, language=EN, stringName=Wenyao SONG, firstName=Wenyao, middleName=null, lastName=SONG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.School of Architecture and Civil Engineering, Shenyang University of Technology, Shenyang 110870, Liaoning, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1236348222428467988, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, authorId=1236348222139060980, language=CN, stringName=宋纹瑶, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.沈阳工业大学 建筑与土木工程学院,辽宁 沈阳 110870, bio={"content":"
宋纹瑶(1995—),女,山东烟台人,硕士研究生,主要从事采矿工程相关方面的研究工作。E-mail:sj5526@163.com
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宋纹瑶(1995—),女,山东烟台人,硕士研究生,主要从事采矿工程相关方面的研究工作。E-mail:sj5526@163.com
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2.Xuanhua Vocational College of Science and Technology, Zhangjiakou 075100, Hebei, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1236348222935978819, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, authorId=1236348222566880032, language=CN, stringName=张梅, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.宣化科技职业学院,河北 张家口 075100, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1236348221707047616, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, xref=2., ext=[AuthorCompanyExt(id=1236348221719630531, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, companyId=1236348221707047616, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.School of Architecture and Civil Engineering, Shenyang University of Technology, Shenyang 110870, Liaoning, China), AuthorCompanyExt(id=1236348221530886828, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, companyId=1236348221501526692, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.School of Architecture and Civil Engineering, Shenyang University of Technology, Shenyang 110870, Liaoning, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1236348223657399171, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, authorId=1236348223401546604, language=CN, stringName=邓丁, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.沈阳工业大学 建筑与土木工程学院,辽宁 沈阳 110870, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1236348221501526692, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, xref=1., ext=[AuthorCompanyExt(id=1236348221518303912, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, companyId=1236348221501526692, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.School of Architecture and Civil Engineering, Shenyang University of Technology, Shenyang 110870, Liaoning, China), AuthorCompanyExt(id=1236348221530886828, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, companyId=1236348221501526692, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3.China Railway 19th Bureau Group Co., Ltd., Beijing 100176, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1236348224018109359, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, authorId=1236348223770645391, language=CN, stringName=高崇, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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U-Net architecture, figureFileSmall=ZSin2N1lmWaezL56ACXNPw==, figureFileBig=Woz0OIsHnSW5vtSMb+MzEA==, tableContent=null), ArticleFig(id=1236348227373551845, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, language=CN, label=图1, caption=
U-Net网络结构图, figureFileSmall=ZSin2N1lmWaezL56ACXNPw==, figureFileBig=Woz0OIsHnSW5vtSMb+MzEA==, tableContent=null), ArticleFig(id=1236348227520352497, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, language=EN, label=Fig.2, caption=
Schematic diagram of mixed attention mechanism module, figureFileSmall=daVzbLEbD8IgCmdFzuMEmQ==, figureFileBig=LsT3iS+KPYhDnlPr+jI2Rw==, tableContent=null), ArticleFig(id=1236348227625210106, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, language=CN, label=图2, caption=
混合注意力机制模块结构图, figureFileSmall=daVzbLEbD8IgCmdFzuMEmQ==, figureFileBig=LsT3iS+KPYhDnlPr+jI2Rw==, tableContent=null), ArticleFig(id=1236348227780399363, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, language=EN, label=Fig.3, caption=
Schematic diagram of borehole wall image transformation, figureFileSmall=oq+9QlVHpccmsfSivSn5jA==, figureFileBig=ozPilpwIt0bCIzoaX3/fFw==, tableContent=null), ArticleFig(id=1236348227914617105, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, language=CN, label=图3, caption=
孔壁图像变换示意图, figureFileSmall=oq+9QlVHpccmsfSivSn5jA==, figureFileBig=ozPilpwIt0bCIzoaX3/fFw==, tableContent=null), ArticleFig(id=1236348228069806364, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, language=EN, label=Fig.4, caption=
Horizontally flipped borehole images, figureFileSmall=TsaDphy73T3xaV8bGzPg2w==, figureFileBig=zcbn1mK3k52/cTDs+Picow==, tableContent=null), ArticleFig(id=1236348228216607017, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, language=CN, label=图4, caption=
钻孔图像水平翻转, figureFileSmall=TsaDphy73T3xaV8bGzPg2w==, figureFileBig=zcbn1mK3k52/cTDs+Picow==, tableContent=null), ArticleFig(id=1236348228338241840, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, language=EN, label=Fig.5, caption=
Original and greyscale images of borehole, figureFileSmall=0ApzXoFkn9F5q1IQRzpZmA==, figureFileBig=5JD8tZ3LgrATpLyz6c77+A==, tableContent=null), ArticleFig(id=1236348228518596922, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, language=CN, label=图5, caption=
钻孔图像原图及灰度图(a)彩色原图;(b)灰度图
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Filtered borehole images, figureFileSmall=oaMDH4LCmLjD4A46mwlglw==, figureFileBig=NzQy0vm9gsVyho6TlNICLg==, tableContent=null), ArticleFig(id=1236348228812198234, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, language=CN, label=图6, caption=
滤波后的钻孔图像(a)均值滤波;(b)中值滤波;(c)双边滤波
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Image annotation effects, figureFileSmall=c910yxIoR11KcFCaqzieuA==, figureFileBig=SUIKWL2kkzkLygEpBozTOQ==, tableContent=null), ArticleFig(id=1236348229055467886, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, language=CN, label=图7, caption=
图像标注效果, figureFileSmall=c910yxIoR11KcFCaqzieuA==, figureFileBig=SUIKWL2kkzkLygEpBozTOQ==, tableContent=null), ArticleFig(id=1236348229168714102, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, language=EN, label=Fig.8, caption=
Loss curves of two deep learning models, figureFileSmall=UHK58neJbASxYJ/RBJa6yQ==, figureFileBig=ZuKnyBK8D8PQo0l+Wtbfrg==, tableContent=null), ArticleFig(id=1236348229311320453, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, language=CN, label=图8, caption=
两种深度学习模型损失曲线, figureFileSmall=UHK58neJbASxYJ/RBJa6yQ==, figureFileBig=ZuKnyBK8D8PQo0l+Wtbfrg==, tableContent=null), ArticleFig(id=1236348229441343887, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, language=EN, label=Fig.9, caption=
Comparison of image segmentation effects of two models, figureFileSmall=IOzng1foCs3Jx3K6eLcpJw==, figureFileBig=Y2W1z5pN5tKUP5nU8EF3iw==, tableContent=null), ArticleFig(id=1236348229550395801, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, language=CN, label=图9, caption=
两种模型图像分割效果比较, figureFileSmall=IOzng1foCs3Jx3K6eLcpJw==, figureFileBig=Y2W1z5pN5tKUP5nU8EF3iw==, tableContent=null), ArticleFig(id=1236348229667836318, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, language=EN, label=Table 1, caption=
Performance evaluation of two models
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| 训练模型 | 精确率/% | 召回率/% | 调和平均数/% | 均交并比/% |
|---|
| U-Net | 91.94 | 86.97 | 89.39 | 77.96 |
| AU-Net | 92.63 | 86.73 | 89.58 | 82.34 |
), ArticleFig(id=1236348229843997100, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1236276110942589104, language=CN, label=表1, caption=
两种模型的评价结果
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| 训练模型 | 精确率/% | 召回率/% | 调和平均数/% | 均交并比/% |
|---|
| U-Net | 91.94 | 86.97 | 89.39 | 77.96 |
| AU-Net | 92.63 | 86.73 | 89.58 | 82.34 |
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