Article(id=1263819611607282051, tenantId=1146029695717560320, journalId=1263530845441638439, issueId=1263818962224165389, articleNumber=null, orderNo=null, doi=10.19693/j.issn.1673-3185.04311, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1734019200000, receivedDateStr=2024-12-13, revisedDate=1743955200000, revisedDateStr=2025-04-07, acceptedDate=null, acceptedDateStr=null, onlineDate=1779247676040, onlineDateStr=2026-05-20, pubDate=1777478400000, pubDateStr=2026-04-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1779247676040, onlineIssueDateStr=2026-05-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1779247676040, creator=13041195026, updateTime=1779247676040, updator=13041195026, issue=Issue{id=1263818962224165389, tenantId=1146029695717560320, journalId=1263530845441638439, year='2026', volume='21', issue='2', pageStart='1', pageEnd='444', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1779247521215, creator=13041195026, updateTime=1779247861438, updator=13041195026, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1263820389638070544, tenantId=1146029695717560320, journalId=1263530845441638439, issueId=1263818962224165389, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1263820389638070545, tenantId=1146029695717560320, journalId=1263530845441638439, issueId=1263818962224165389, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=424, endPage=434, ext={EN=ArticleExt(id=1263819613486330248, articleId=1263819611607282051, tenantId=1146029695717560320, journalId=1263530845441638439, language=EN, title=MITD-YOLO: an improved YOLOv8n-based method for maritime infrared target detection, columnId=1263819608264458931, journalTitle=Chinese Journal of Ship Research, columnName=Weapon, Electronic and Information System, runingTitle=null, highlight=null, articleAbstract=
Objective Complex backgrounds, significant target size variations, and severe sea clutter in maritime infrared imagery often result in missed or false detections. To address this challenge, an improved method based on YOLOv8n, termed maritime infrared target detection-YOLO (MITD-YOLO), is proposed to enhance target detection accuracy in maritime infrared images.
Method MITD-YOLO incorporates a diverse branch module (DBB) and enhanced multi-scale convolution (EMSConv) to leverage multi-scale convolutions, enabling the model to more effectively capture complex features. A triple attention mechanism is employed to facilitate spatial and channel-wise feature interaction, thereby improving key feature extraction. Additionally, the powerful-IoUv2 (PIoUv2) loss function is introduced to address the anchor box expansion problem, leading to improved detection accuracy and enhanced model robustness.
Results Experimental results show that the improved model significantly enhances the efficiency of maritime infrared target detection, with a 2.3% increase in precision and a 1.7% increase in recall. The model achieves an average precision of 88.9%, and 132.8 FPS, outperforming the original model.
Conclusion MITD-YOLO enhances maritime infrared target detection performance and provides a more reliable target detection technology for applications such as maritime surveillance and ship navigation, contributing to the advancement of intelligent maritime systems.
, correspAuthors=Xuefeng YANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright © 2026 Chinese Journal of Ship Research. All rights reserved., 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=Xuefeng YANG, Jiayao LIU, Changhua ZHOU), CN=ArticleExt(id=1263819680813297831, articleId=1263819611607282051, tenantId=1146029695717560320, journalId=1263530845441638439, language=CN, title=MITD-YOLO:改进YOLOv8n的海上红外目标检测方法, columnId=1263819609539527351, journalTitle=中国舰船研究, columnName=武器与电子信息系统, runingTitle=null, highlight=null, articleAbstract=
目的 海上红外图像背景复杂、目标尺寸变化大、海浪杂波干扰严重,容易导致目标漏检和误检。为提高红外图像中的目标检测准确率,提出一种基于YOLOv8n的海上红外目标检测方法——面向海上红外目标检测任务的YOLO(MITD-YOLO)。
方法 首先引入多样化分支模块(DBB)和多尺度卷积(EMSConv),利用多个不同尺度的卷积使模型能够更好地捕捉复杂特征。然后,采用三重注意力机制(triple attention)实现空间和通道维度的特征交互,强化关键特征提取。最后,使用Powerful-IoUv2(PIoUv2)对原模型的损失函数进行改进,以解决锚框扩展问题,提高检测精度并增强模型的鲁棒性。
结果 实验结果表明,改进的MITD-YOLO模型对海上红外图像目标的检测效果有所提升:准确率提升2.3%,召回率提升1.7%;平均准确率达88.9%,帧率(FPS)达到132.8,优于原模型。
结论 该方法可提高海上红外目标检测效果,为海上安全监控和船舶导航等领域提供更可靠的目标检测技术,助力智能海洋系统发展。
, correspAuthors=杨雪锋, authorNote=null, correspAuthorsNote=
* 杨雪锋
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杨雪锋,男,1987年生,博士,讲师。研究方向:水上智能运输系统,船舶航行环境感知,航迹规划。E-mail:yangxuefeng536@cqjtu.edu.cn
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(2018-01-24)[2025-02-26]. https://arxiv.org/abs/1703.06870., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1263819681245311152, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, xref=1, ext=[AuthorCompanyExt(id=1263819681295642801, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, companyId=1263819681245311152, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1重庆交通大学 航运与船舶工程学院,重庆 400074)]), AuthorCompany(id=1263819681744433336, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, xref=2, ext=[AuthorCompanyExt(id=1263819681773793465, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, companyId=1263819681744433336, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2交通安全应急信息技术国家工程实验室,北京 100011)])], figs=[ArticleFig(id=1263819691475218704, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=EN, label=Fig.1, caption=
Network structure of MITD-YOLOv8, figureFileSmall=UZjkW00Pv7NB1CKOK2xhQw==, figureFileBig=85n6A/st42T/qRJwiSRqAQ==, tableContent=null), ArticleFig(id=1263819691773014290, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=CN, label=图1, caption=
MITD-YOLOv8网络结构图, figureFileSmall=UZjkW00Pv7NB1CKOK2xhQw==, figureFileBig=85n6A/st42T/qRJwiSRqAQ==, tableContent=null), ArticleFig(id=1263819693593342233, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=EN, label=Fig.2, caption=
Network structure of C2f_DBB, figureFileSmall=m1S0lrung1W+PeuScUEd3Q==, figureFileBig=8VxaN3Sdr3ip/nDl6jg0SA==, tableContent=null), ArticleFig(id=1263819693979218208, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=CN, label=图2, caption=
C2f_DBB网络结构图, figureFileSmall=m1S0lrung1W+PeuScUEd3Q==, figureFileBig=8VxaN3Sdr3ip/nDl6jg0SA==, tableContent=null), ArticleFig(id=1263819694214099236, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=EN, label=Fig.3, caption=
Network structure of DBB, figureFileSmall=CsmUY9vgVKYVAlYaFAcp6g==, figureFileBig=QaAyYEQsK7hYzlpGnksNdQ==, tableContent=null), ArticleFig(id=1263819694373482792, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=CN, label=图3, caption=
DBB网络结构图, figureFileSmall=CsmUY9vgVKYVAlYaFAcp6g==, figureFileBig=QaAyYEQsK7hYzlpGnksNdQ==, tableContent=null), ArticleFig(id=1263819694574809385, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=EN, label=Fig.4, caption=
Feature extraction comparison between C2f convolution and DBB convolution, figureFileSmall=JutxwUuLhi8KDBhyuJFd3Q==, figureFileBig=8uGMOwq7nNeBMlJ5ohlOaA==, tableContent=null), ArticleFig(id=1263819694771941678, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=CN, label=图4, caption=
C2f卷积与DBB卷积特征提取对比图, figureFileSmall=JutxwUuLhi8KDBhyuJFd3Q==, figureFileBig=8uGMOwq7nNeBMlJ5ohlOaA==, tableContent=null), ArticleFig(id=1263819694952296753, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=EN, label=Fig.5, caption=
Network structure of the detection head, figureFileSmall=DH0qaNPCJV/4btVqD4B97w==, figureFileBig=AgtrWBhJwLVUOBaPx/tnYQ==, tableContent=null), ArticleFig(id=1263819695254286645, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=CN, label=图5, caption=
检测头网络结构图, figureFileSmall=DH0qaNPCJV/4btVqD4B97w==, figureFileBig=AgtrWBhJwLVUOBaPx/tnYQ==, tableContent=null), ArticleFig(id=1263819695564665144, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=EN, label=Fig.6, caption=
Network structure of the triple attention mechanism, figureFileSmall=J4XWtjSfdNbAN/eim6D2Lg==, figureFileBig=tCtWwNCj31RCuBUvAjUCgQ==, tableContent=null), ArticleFig(id=1263819695845683516, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=CN, label=图6, caption=
三重注意力机制网络结构图, figureFileSmall=J4XWtjSfdNbAN/eim6D2Lg==, figureFileBig=tCtWwNCj31RCuBUvAjUCgQ==, tableContent=null), ArticleFig(id=1263819696101536066, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=EN, label=Fig.7, caption=
Example images of the supplemental dataset, figureFileSmall=4pRW5sJ/xM5dr5uS9OINfA==, figureFileBig=YpF78hY4yWMoqBvbPPMIQg==, tableContent=null), ArticleFig(id=1263819696453857605, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=CN, label=图7, caption=
补充数据集图片示例, figureFileSmall=4pRW5sJ/xM5dr5uS9OINfA==, figureFileBig=YpF78hY4yWMoqBvbPPMIQg==, tableContent=null), ArticleFig(id=1263819698127384909, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=EN, label=Fig.8, caption=
Comparison of improved effects, figureFileSmall=Y46PztflU/06jgyi1rTYog==, figureFileBig=mmD3M9Jpr1tJXkTGNf5d3g==, tableContent=null), ArticleFig(id=1263819698282574160, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=CN, label=图8, caption=
改进效果对比, figureFileSmall=Y46PztflU/06jgyi1rTYog==, figureFileBig=mmD3M9Jpr1tJXkTGNf5d3g==, tableContent=null), ArticleFig(id=1263819698450346323, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=EN, label=Fig.9, caption=
Comparative experiment of scenario 1, figureFileSmall=AzSfuD2dQihrw/MaHs7LMA==, figureFileBig=Y6cSZD9spWTpa/DWnG1Gbw==, tableContent=null), ArticleFig(id=1263819698857193815, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=CN, label=图9, caption=
场景1对比实验, figureFileSmall=AzSfuD2dQihrw/MaHs7LMA==, figureFileBig=Y6cSZD9spWTpa/DWnG1Gbw==, tableContent=null), ArticleFig(id=1263819699092074841, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=EN, label=Fig.10, caption=
Comparative experiment of scenario 2, figureFileSmall=N5Q6lNskUTl+kzi3D06SPw==, figureFileBig=Wt3nuEGaqLGq99Zjsw+JQA==, tableContent=null), ArticleFig(id=1263819699607974236, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=CN, label=图10, caption=
场景2对比实验, figureFileSmall=N5Q6lNskUTl+kzi3D06SPw==, figureFileBig=Wt3nuEGaqLGq99Zjsw+JQA==, tableContent=null), ArticleFig(id=1263819700211954014, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=EN, label=Fig.11, caption=
Comparative experiment of scenario 3, figureFileSmall=kbOLorAxxaJXir4HzvTEgQ==, figureFileBig=GU15GXzWYx6FS8loPkAHvQ==, tableContent=null), ArticleFig(id=1263819700404892000, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=CN, label=图11, caption=
场景3对比实验, figureFileSmall=kbOLorAxxaJXir4HzvTEgQ==, figureFileBig=GU15GXzWYx6FS8loPkAHvQ==, tableContent=null), ArticleFig(id=1263819700690104676, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=EN, label=Fig.12, caption=
Comparative experiment of scenario 4, figureFileSmall=TsnDsRUgdw93QdteujyZOA==, figureFileBig=JhGbi9CuldzVlje2MmdztA==, tableContent=null), ArticleFig(id=1263819700874654051, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=CN, label=图12, caption=
场景4对比实验, figureFileSmall=TsnDsRUgdw93QdteujyZOA==, figureFileBig=JhGbi9CuldzVlje2MmdztA==, tableContent=null), ArticleFig(id=1263819702573347175, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=EN, label=Tab.1, caption=
Training parameters setting
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 输入分辨率 | 640×640 |
| 学习率浮点数(lrf) | 0.01 |
| 动量 | 0.937 |
| 权重衰减 | 0.0005 |
| 批大小 | 8 |
| 工作线程数 | 4 |
| 训练轮数 | 100 |
| 优化器 | SGD |
| 锚框交并比 | 0.7 |
), ArticleFig(id=1263819702715953512, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=CN, label=表1, caption=
训练参数设置
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 输入分辨率 | 640×640 |
| 学习率浮点数(lrf) | 0.01 |
| 动量 | 0.937 |
| 权重衰减 | 0.0005 |
| 批大小 | 8 |
| 工作线程数 | 4 |
| 训练轮数 | 100 |
| 优化器 | SGD |
| 锚框交并比 | 0.7 |
), ArticleFig(id=1263819702866948458, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=EN, label=Tab.2, caption=
Results of the comparative experiments
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | P/% | R/% | mAP@0.5/% | FPS |
| YOLOv8n | 89.4 | 80.7 | 86.7 | 135.7 |
| MITD-YOLO | 91.7 | 82.4 | 88.9 | 125.5 |
), ArticleFig(id=1263819703160549741, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=CN, label=表2, caption=
对比实验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | P/% | R/% | mAP@0.5/% | FPS |
| YOLOv8n | 89.4 | 80.7 | 86.7 | 135.7 |
| MITD-YOLO | 91.7 | 82.4 | 88.9 | 125.5 |
), ArticleFig(id=1263819703659671920, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=EN, label=Tab.3, caption=
Model performance comparison after improving the loss function
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | P/% | R/% | mAP@0.5/% | FPS |
| CIoU | 89.4 | 80.7 | 86.7 | 135.7 |
| DIoU | 89.9 | 80.9 | 86.5 | 139.7 |
| GIoU | 89.9 | 80.7 | 86.2 | 134.0 |
| SIoU | 89.9 | 81.6 | 86.9 | 136.5 |
| MPDIoU | 89.8 | 80.3 | 86.0 | 136.4 |
| Inner-CIoU | 90.4 | 80.5 | 86.0 | 132.6 |
| PIoUv2 | 90.7 | 82.0 | 88.3 | 135.5 |
), ArticleFig(id=1263819703907135859, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=CN, label=表3, caption=
改进损失函数后模型性能对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | P/% | R/% | mAP@0.5/% | FPS |
| CIoU | 89.4 | 80.7 | 86.7 | 135.7 |
| DIoU | 89.9 | 80.9 | 86.5 | 139.7 |
| GIoU | 89.9 | 80.7 | 86.2 | 134.0 |
| SIoU | 89.9 | 81.6 | 86.9 | 136.5 |
| MPDIoU | 89.8 | 80.3 | 86.0 | 136.4 |
| Inner-CIoU | 90.4 | 80.5 | 86.0 | 132.6 |
| PIoUv2 | 90.7 | 82.0 | 88.3 | 135.5 |
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Detection performance comparison of different models
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| 模型 | P/% | R/% | mAP@0.5/% | FPS |
| Faster-RCNN | 87.7 | 77.0 | 83.6 | 94.35 |
| Mask-RCNN | 88.0 | 79.5 | 85.8 | 82.70 |
| YOLOv5 | 88.9 | 81.9 | 87.5 | 129.80 |
| YOLOv7 | 91.3 | 88.7 | 89.0 | 86.75 |
| YOLOv8n | 89.4 | 80.7 | 86.7 | 135.70 |
| YOLOv10 | 82.6 | 75.2 | 82.5 | 112.65 |
| YOLOv11 | 89.3 | 79.3 | 85.8 | 96.90 |
| MITD-YOLO | 91.7 | 82.4 | 88.9 | 125.5 |
), ArticleFig(id=1263819704347537784, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=CN, label=表4, caption=
不同模型的检测性能对比
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| 模型 | P/% | R/% | mAP@0.5/% | FPS |
| Faster-RCNN | 87.7 | 77.0 | 83.6 | 94.35 |
| Mask-RCNN | 88.0 | 79.5 | 85.8 | 82.70 |
| YOLOv5 | 88.9 | 81.9 | 87.5 | 129.80 |
| YOLOv7 | 91.3 | 88.7 | 89.0 | 86.75 |
| YOLOv8n | 89.4 | 80.7 | 86.7 | 135.70 |
| YOLOv10 | 82.6 | 75.2 | 82.5 | 112.65 |
| YOLOv11 | 89.3 | 79.3 | 85.8 | 96.90 |
| MITD-YOLO | 91.7 | 82.4 | 88.9 | 125.5 |
), ArticleFig(id=1263819704490144122, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=EN, label=Tab.5, caption=
Results of the ablation experiments
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| 改进模块 | | 检测结果 |
| C2f_DBB | EMSConv | Triple Attention | PIoUv2 | | P/% | R/% | mAP@0.5/% | FPS |
| × | × | × | × | | 89.4 | 80.7 | 86.7 | 135.7 |
| √ | × | × | × | | 90.6 | 79.7 | 86.2 | 135.1 |
| × | √ | × | × | | 89.5 | 80.6 | 87.0 | 136.9 |
| × | × | √ | × | | 90.7 | 81.2 | 87.1 | 125.1 |
| × | × | × | √ | | 90.7 | 82.0 | 88.3 | 135.5 |
| √ | √ | × | × | | 90.2 | 80.4 | 85.9 | 130.9 |
| √ | √ | √ | × | | 91.0 | 81.8 | 88.1 | 124.6 |
| √ | √ | √ | √ | | 91.7 | 82.4 | 88.9 | 125.5 |
), ArticleFig(id=1263819704603390333, tenantId=1146029695717560320, journalId=1263530845441638439, articleId=1263819611607282051, language=CN, label=表5, caption=
消融实验结果
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| 改进模块 | | 检测结果 |
| C2f_DBB | EMSConv | Triple Attention | PIoUv2 | | P/% | R/% | mAP@0.5/% | FPS |
| × | × | × | × | | 89.4 | 80.7 | 86.7 | 135.7 |
| √ | × | × | × | | 90.6 | 79.7 | 86.2 | 135.1 |
| × | √ | × | × | | 89.5 | 80.6 | 87.0 | 136.9 |
| × | × | √ | × | | 90.7 | 81.2 | 87.1 | 125.1 |
| × | × | × | √ | | 90.7 | 82.0 | 88.3 | 135.5 |
| √ | √ | × | × | | 90.2 | 80.4 | 85.9 | 130.9 |
| √ | √ | √ | × | | 91.0 | 81.8 | 88.1 | 124.6 |
| √ | √ | √ | √ | | 91.7 | 82.4 | 88.9 | 125.5 |
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