Article(id=1315743892859900155, tenantId=1146029695717560320, journalId=1315121910733963395, issueId=1315743733992243595, articleNumber=null, orderNo=null, doi=10.3788/gzxb20265501.0110004, pmid=null, cstr=32255.14.gzxb20265501.0110004, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1756483200000, receivedDateStr=2025-08-30, revisedDate=null, revisedDateStr=null, acceptedDate=1761580800000, acceptedDateStr=2025-10-28, onlineDate=1791627389396, onlineDateStr=2026-10-10, pubDate=1769270400000, pubDateStr=2026-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791627389396, onlineIssueDateStr=2026-10-10, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791627389396, creator=13701087609, updateTime=1791627389396, updator=13701087609, issue=Issue{id=1315743733992243595, tenantId=1146029695717560320, journalId=1315121910733963395, year='2026', volume='55', issue='1', pageStart='1', pageEnd='316', issueExtLink='null', onlineDate='null', pubDate='1769270400000', pubDateStr='2026-01-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1791627351520, creator='13701087609', updateTime=1791627555456, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1315744589420540350, tenantId=1146029695717560320, journalId=1315121910733963395, issueId=1315743733992243595, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1315744589420540351, tenantId=1146029695717560320, journalId=1315121910733963395, issueId=1315743733992243595, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=188, endPage=201, ext={EN=ArticleExt(id=1315743893233193212, articleId=1315743892859900155, tenantId=1146029695717560320, journalId=1315121910733963395, language=EN, title=Explosion Point Localization Method Based on Infrared Imaging, columnId=1315743672860263336, journalTitle=Acta Photonica Sinica, columnName=Image Processing, runingTitle=null, highlight=null, articleAbstract=
The accurate measurement of explosion point coordinates is a critical technology for assessing weapon strike efficiency and damage effects in modern warfare. Traditional optical and acoustic methods often suffer from environmental interference, high equipment costs, or a lack of real-time capability. Furthermore, emerging deep learning models require vast amounts of classified training data and high-performance computing resources, which limits their deployment on resource-constrained airborne embedded platforms. To address these challenges, this study proposes an infrared image localization method that integrates ground cooperative markers. The primary objective is to leverage the strong penetration and anti-occlusion advantages of long-wave infrared imaging to achieve high-precision, real-time explosion point detection within a lightweight framework, thereby eliminating the heavy data dependency characteristic of deep learning approaches.
The methodology utilized a pinhole imaging model and a specialized set of ground cooperative markers—including cross, L-shape, straight line, and dot—to establish a stable spatial coordinate system. To facilitate marker identification on an airborne embedded platform, an enhanced convex hull detection algorithm was developed. This algorithm introduced an adjacency constraint to merge points within a 2-pixel threshold, preventing the misidentification of a “cross” caused by imaging fluctuations. Additionally, a maximum distance threshold of 18 pixels was established to distinguish between “cross” and “L-shape” markers when they exhibited similar vertex counts. Characteristic points, such as the centroid of the “cross” and the right-angle vertex of the “L-shape”, were calculated using image moments and geometric side-length comparisons to serve as the origin and axis points for the coordinate system. To maintain stability during Unmanned Aerial Vehicle (UAV) rotation, a coordinate projection transformation model using vector normalization was applied. Finally, a homography matrix was solved using singular value decomposition to map detected explosion point pixels to their actual physical world coordinates.
Experimental validation was conducted through both simulations and practical tests at a height of 13 meters, utilizing an infrared camera mounted on a rotary base to simulate airborne flight dynamics. In a dataset of 1,666 frames capturing various angles and interference conditions, the enhanced convex hull detection algorithm achieved a comprehensive recognition accuracy of 98.2% for the cooperative markers. This performance significantly outperformed that of traditional algorithms, which struggled particularly with the “L-shape” markers, leading to a much lower coordinate system establishment success rate of 46.3%. In simulation-based detection, the enhanced method achieved a mean absolute error of approximately 0.01 meters with a relative error of only 0.14%. Practical experiments using fireworks to simulate explosion points demonstrated that the system could maintain high precision even under the influence of wind fields and thermal fluctuations. The average measured distance for the simulated explosion point was 1 636.6 mm against a reference of 1 631.0 mm, resulting in a measurement accuracy of 0.056 meters and a relative error of 0.3%. These results indicate a substantial improvement in precision over both traditional methods and the YOLOv8 model, the latter of which was constrained by the small target nature of the markers and limited training data.
The research successfully demonstrates that a refined traditional image processing approach can effectively alleviate the data-dependency issues of deep learning in range-based applications. By combining specialized ground markers with an enhanced convex hull detection mechanism, the method enables reliable UAV localization and stable spatial coordinate construction in a simple, embedded-friendly model. The experimental outcomes confirm that the system is robust against camera rotation and background interference, providing a reliable technical foundation for the accurate measurement of explosion positions. While the current resolution of infrared cameras and the assumption of a two-dimensional terrain pose limitations, future research will focus on improving accuracy with higher-resolution sensors and testing the algorithm's stability on a dedicated fixed-wing UAV platform to account for real-world flight jitters and complex terrain undulations.
, authors=Huidong GUO
1, Yaowen LV
1, Bojun DU
2, Wenda SHAO
1, Fangyu SUN
1, Zhaolong HE
1, Shubin HUA
1, authorsList=Huidong GUO, Yaowen LV, Bojun DU, Wenda SHAO, Fangyu SUN, Zhaolong HE, Shubin HUA, authorCompany=null, correspAuthors=Yaowen LV, 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, fund=null), CN=ArticleExt(id=1315743897490411803, articleId=1315743892859900155, tenantId=1146029695717560320, journalId=1315121910733963395, language=CN, title=基于红外图像的炸点位置测量方法, columnId=1315743673036424106, journalTitle=光子学报, columnName=图像处理, runingTitle=null, highlight=null, articleAbstract=
在靶场炸点位置测量中,机载红外成像具有抗遮挡、强穿透和易识别等优势,为了在简单模型中实现对红外目标的检测,提出一种结合地面合作标志点的红外图像定位测量方法。首先,介绍红外成像的小孔成像模型,给出了基于合作标志点的炸点位置计算方法。其次,提出适用于机载嵌入式平台的凸包检测算法,实现合作标志点的识别和定位。实验结果表明,合作标志点识别正确率在98%以上,在13 m高空的模拟炸点检测实际实验中位置测量精度可以达到0.056 m,能够实现对炸点位置准确可靠的测量。
, authors=郭慧东
1, 吕耀文
1, 杜博军
2, 邵文达
1, 孙方宇
1, 何兆龙
1, 华术彬
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38(7): 0715003., articleTitle=一维单应矩阵的进一步研究与应用, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1315743897750458652, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, xref=1, ext=[AuthorCompanyExt(id=1315743897758847261, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, companyId=1315743897750458652, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1Changchun University of Science and Technology, School of Electro-Optical Engineering,Changchun 130022, China), AuthorCompanyExt(id=1315743897763041566, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, companyId=1315743897750458652, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1长春理工大学 光电工程学院, 长春 130022)]), AuthorCompany(id=1315743897821761823, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, xref=2, ext=[AuthorCompanyExt(id=1315743897834344736, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, companyId=1315743897821761823, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
263850 Unit, Baicheng 137001, China), AuthorCompanyExt(id=1315743897842733345, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, companyId=1315743897821761823, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
263850部队,白城 137001)])], figs=[ArticleFig(id=1315743902427107664, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Fig.1, caption=
Simulate the placement of targets, figureFileSmall=yuICfECo7I0fy5EDSEBWmA==, figureFileBig=A86xpRnrULo4+7gHYdwkLw==, tableContent=null), ArticleFig(id=1315743902498410833, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=图1, caption=
模拟标志点摆放, figureFileSmall=yuICfECo7I0fy5EDSEBWmA==, figureFileBig=A86xpRnrULo4+7gHYdwkLw==, tableContent=null), ArticleFig(id=1315743902695543122, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Fig.2, caption=
Airborne operation model, figureFileSmall=USnVLTGAI2ongfYedTZAAA==, figureFileBig=w45V83rzoGZdfh0GI0cnxQ==, tableContent=null), ArticleFig(id=1315743902758457683, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=图2, caption=
模拟机载运行模型, figureFileSmall=USnVLTGAI2ongfYedTZAAA==, figureFileBig=w45V83rzoGZdfh0GI0cnxQ==, tableContent=null), ArticleFig(id=1315743902821372244, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Fig.3, caption=
The recognition effect of “cross” after enhancing the constraint condition, figureFileSmall=yg54Mf0gzFr70A5fthGhQw==, figureFileBig=l/pD7Te9Dp0X6hnQ56ynrg==, tableContent=null), ArticleFig(id=1315743902922035541, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=图3, caption=
“十字”增强约束条件后的识别效果, figureFileSmall=yg54Mf0gzFr70A5fthGhQw==, figureFileBig=l/pD7Te9Dp0X6hnQ56ynrg==, tableContent=null), ArticleFig(id=1315743904549425494, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Fig.4, caption=
The recognition effect of “L” after enhancing the constraint condition, figureFileSmall=SXe7pmrnYkMJoK717kMDrg==, figureFileBig=3vPV1LtJddB9AQbbmNkO1Q==, tableContent=null), ArticleFig(id=1315743904620728663, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=图4, caption=
“L”增强约束条件后的识别效果, figureFileSmall=SXe7pmrnYkMJoK717kMDrg==, figureFileBig=3vPV1LtJddB9AQbbmNkO1Q==, tableContent=null), ArticleFig(id=1315743904700420440, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Fig.5, caption=
Judge the “L” right-angle vertex model, figureFileSmall=3sWL0WkXrQ0jfQcdG410Lw==, figureFileBig=h5fuqdwneZsw0IgVrOGlng==, tableContent=null), ArticleFig(id=1315743904780112217, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=图5, caption=
判断“L”直角顶点模型, figureFileSmall=3sWL0WkXrQ0jfQcdG410Lw==, figureFileBig=h5fuqdwneZsw0IgVrOGlng==, tableContent=null), ArticleFig(id=1315743904868192602, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Fig.6, caption=
Coordinate system projection transformation model, figureFileSmall=qeBVn/8XPAKVsm899EpMFA==, figureFileBig=V+Cn/EwE+dncfeTyQcVT+g==, tableContent=null), ArticleFig(id=1315743904935301467, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=图6, caption=
坐标系投影变换模型, figureFileSmall=qeBVn/8XPAKVsm899EpMFA==, figureFileBig=V+Cn/EwE+dncfeTyQcVT+g==, tableContent=null), ArticleFig(id=1315743904989827420, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Fig.7, caption=
Four pairs of two coordinate points corresponding to the two planes, figureFileSmall=4aMmDynzjWqwdA2M0TSLqQ==, figureFileBig=S9VEQzzWuiEjhZbiIF+OBA==, tableContent=null), ArticleFig(id=1315743905061130589, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=图7, caption=
相对应两平面的四对其次坐标点, figureFileSmall=4aMmDynzjWqwdA2M0TSLqQ==, figureFileBig=S9VEQzzWuiEjhZbiIF+OBA==, tableContent=null), ArticleFig(id=1315743905136628062, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Fig.8, caption=
Simulated explosion point measurement pattern, figureFileSmall=4PZTPoDBBYuxGi0Jii9iSQ==, figureFileBig=gbwVHCoKN6acUewmrxx02Q==, tableContent=null), ArticleFig(id=1315743905212125535, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=图8, caption=
模拟炸点测量图样, figureFileSmall=4PZTPoDBBYuxGi0Jii9iSQ==, figureFileBig=gbwVHCoKN6acUewmrxx02Q==, tableContent=null), ArticleFig(id=1315743905270845792, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Fig.9, caption=
Flow chart of overall algorithm, figureFileSmall=uHdTm6KvYzOmlp78RXzMiA==, figureFileBig=FCxN8+aWBUvKdaRKqXVyCA==, tableContent=null), ArticleFig(id=1315743905329566049, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=图9, caption=
整体算法流程, figureFileSmall=uHdTm6KvYzOmlp78RXzMiA==, figureFileBig=FCxN8+aWBUvKdaRKqXVyCA==, tableContent=null), ArticleFig(id=1315743905392480610, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Fig.10, caption=
Overview of the infrared imaging platform and ground marker layout, figureFileSmall=mXFCfea8zV+uRxq16jrzZA==, figureFileBig=tem/WWNt3hdXz49gGFPKTA==, tableContent=null), ArticleFig(id=1315743905472172387, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=图10, caption=
红外相机平台与地面标志点布设, figureFileSmall=mXFCfea8zV+uRxq16jrzZA==, figureFileBig=tem/WWNt3hdXz49gGFPKTA==, tableContent=null), ArticleFig(id=1315743905526698340, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Fig.11, caption=
Experimental image set pattern, figureFileSmall=360MCPIOCLKGzkmKKFuKGg==, figureFileBig=AhxDBze0cQZNWdPCAxVvSQ==, tableContent=null), ArticleFig(id=1315743905602195813, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=图11, caption=
实验图像集图样, figureFileSmall=360MCPIOCLKGzkmKKFuKGg==, figureFileBig=AhxDBze0cQZNWdPCAxVvSQ==, tableContent=null), ArticleFig(id=1315743905660916070, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Fig.12, caption=
Comparison of detection rates: enhanced convex hull detection algorithm vs. traditional algorithm and YOLOv8, figureFileSmall=bmWB5b+K//JzUJaXwyF/gA==, figureFileBig=RIWrx0NEA41OA32JkBsLnw==, tableContent=null), ArticleFig(id=1315743905723830631, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=图12, caption=
增强型凸包检测算法与传统算法、YOLOv8检测率结果对比, figureFileSmall=bmWB5b+K//JzUJaXwyF/gA==, figureFileBig=RIWrx0NEA41OA32JkBsLnw==, tableContent=null), ArticleFig(id=1315743905799328104, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Fig.13, caption=
Renderings of overall measurement results, figureFileSmall=rzANqtaLoIzspbe367Nu1A==, figureFileBig=XX2QtPb2gNpoMJWreW1bIA==, tableContent=null), ArticleFig(id=1315743905853854057, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=图13, caption=
总体测量结果效果图样, figureFileSmall=rzANqtaLoIzspbe367Nu1A==, figureFileBig=XX2QtPb2gNpoMJWreW1bIA==, tableContent=null), ArticleFig(id=1315743905912574314, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Fig.14, caption=
Measurement error analysis, figureFileSmall=zHVYFP2BS6rsEJSHGAGVbA==, figureFileBig=9u2bwvYkmK2gcUfusIoCiw==, tableContent=null), ArticleFig(id=1315743905979683179, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=图14, caption=
总体误差分析, figureFileSmall=zHVYFP2BS6rsEJSHGAGVbA==, figureFileBig=9u2bwvYkmK2gcUfusIoCiw==, tableContent=null), ArticleFig(id=1315743906042597740, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Table 1, caption=
Experimental parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| Parameter | Numerical value |
|---|
| Experimental shooting height | 13 000 mm |
| Camera parameters | — |
| Resolution ratio | 320×240 |
| Frame rate | 30 frame/s |
| Focal length | 18 mm |
| Surface parameters | — |
| Cooperation marks size | (line)30 mm×200 mm (dot)30 mm |
| Coordinates of cooperation marks/mm | (0,0,1),(4 574,0,1) (0,3 788,1),(4 574,3 788,1) |
| Simulated explosion point coordinates/mm | (2 260,1 129,1) |
), ArticleFig(id=1315743906101317997, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=表1, caption=
实验参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| Parameter | Numerical value |
|---|
| Experimental shooting height | 13 000 mm |
| Camera parameters | — |
| Resolution ratio | 320×240 |
| Frame rate | 30 frame/s |
| Focal length | 18 mm |
| Surface parameters | — |
| Cooperation marks size | (line)30 mm×200 mm (dot)30 mm |
| Coordinates of cooperation marks/mm | (0,0,1),(4 574,0,1) (0,3 788,1),(4 574,3 788,1) |
| Simulated explosion point coordinates/mm | (2 260,1 129,1) |
), ArticleFig(id=1315743906164232558, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Table 2, caption=
Statistical table of the success rate of recognition of marker points in motion
, figureFileSmall=null, figureFileBig=null, tableContent=
| Method used | Enhanced convex hull detection of constraints | Convex hull detection | YOLOv8 |
|---|
| Number of “cross” successful detection | 1 636 | 1 466 | 1 276 |
| Number of “L” successful detection | 1 666 | 767 | 1 250 |
| Number of “line” successful detection | 1 651 | 1 314 | 1 321 |
| Number of “dot” successful detection | 1 666 | 1 488 | 1 166 |
| Coordinate system establishment success rate | 98.2% | 46.3% | 70% |
), ArticleFig(id=1315743906256507247, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=表2, caption=
运动状态下标志点识别成功率统计表
, figureFileSmall=null, figureFileBig=null, tableContent=
| Method used | Enhanced convex hull detection of constraints | Convex hull detection | YOLOv8 |
|---|
| Number of “cross” successful detection | 1 636 | 1 466 | 1 276 |
| Number of “L” successful detection | 1 666 | 767 | 1 250 |
| Number of “line” successful detection | 1 651 | 1 314 | 1 321 |
| Number of “dot” successful detection | 1 666 | 1 488 | 1 166 |
| Coordinate system establishment success rate | 98.2% | 46.3% | 70% |
), ArticleFig(id=1315743906336199024, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Table 3, caption=
Simulation-based detection results
, figureFileSmall=null, figureFileBig=null, tableContent=
| Serial number | Relative position of the camera | Measured value |
|---|
| 1 | (87.45,245.07) | (99.06,201.09) |
| 2 | (123.20,209.87) | (99.07,199.07) |
| 3 | (65.60,165.60) | (100.48,198.17) |
| 4 | (55.81,236.62) | (98.55,199.88) |
| 5 | (110.11,220.81) | (99.94,200.63) |
), ArticleFig(id=1315743906411696497, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=表3, caption=
仿真数据检测结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| Serial number | Relative position of the camera | Measured value |
|---|
| 1 | (87.45,245.07) | (99.06,201.09) |
| 2 | (123.20,209.87) | (99.07,199.07) |
| 3 | (65.60,165.60) | (100.48,198.17) |
| 4 | (55.81,236.62) | (98.55,199.88) |
| 5 | (110.11,220.81) | (99.94,200.63) |
), ArticleFig(id=1315743906499776882, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Table 4, caption=
Simulation-based error analysis
, figureFileSmall=null, figureFileBig=null, tableContent=
| Parameter | Enhanced | Traditional | YOLOv8 |
|---|
| Average measured distance/mm | 2 236.3 | 2 251.5 | 2 240.2 |
| Reference distance/mm | 2 233.1 | 2 233.1 | 2 233.1 |
| Mean absolute error | 0.806 | 2.41 | 1.36 |
| Standard deviation | 0.643 | 1.98 | 1.12 |
| Relative error | 0.14% | 0.83% | 0.32% |
), ArticleFig(id=1315743906583662963, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=表4, caption=
仿真数据误差分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| Parameter | Enhanced | Traditional | YOLOv8 |
|---|
| Average measured distance/mm | 2 236.3 | 2 251.5 | 2 240.2 |
| Reference distance/mm | 2 233.1 | 2 233.1 | 2 233.1 |
| Mean absolute error | 0.806 | 2.41 | 1.36 |
| Standard deviation | 0.643 | 1.98 | 1.12 |
| Relative error | 0.14% | 0.83% | 0.32% |
), ArticleFig(id=1315743906675937652, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=EN, label=Table 5, caption=
Error analysis after correction
, figureFileSmall=null, figureFileBig=null, tableContent=
| Parameter | Enhanced | Traditional | YOLOv8 |
|---|
| Average measured distance/mm | 1 636.6 | 1 648.5 | 1 640.2 |
| Reference distance/mm | 1 631.0 | 1 631.0 | 1 631.0 |
| Mean absolute error | 1.056 | 3.08 | 1.82 |
| Standard deviation | 0.802 | 2.15 | 1.36 |
| Relative error | 0.3% | 1.1% | 0.56% |
), ArticleFig(id=1315743906743046517, tenantId=1146029695717560320, journalId=1315121910733963395, articleId=1315743892859900155, language=CN, label=表5, caption=
校正后误差分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| Parameter | Enhanced | Traditional | YOLOv8 |
|---|
| Average measured distance/mm | 1 636.6 | 1 648.5 | 1 640.2 |
| Reference distance/mm | 1 631.0 | 1 631.0 | 1 631.0 |
| Mean absolute error | 1.056 | 3.08 | 1.82 |
| Standard deviation | 0.802 | 2.15 | 1.36 |
| Relative error | 0.3% | 1.1% | 0.56% |
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