Article(id=1208051033545216801, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1208051024368083510, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2405300, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1720972800000, receivedDateStr=2024-07-15, revisedDate=1742400000000, revisedDateStr=2025-03-20, acceptedDate=null, acceptedDateStr=null, onlineDate=1765951410900, onlineDateStr=2025-12-17, pubDate=1751040000000, pubDateStr=2025-06-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1765951410900, onlineIssueDateStr=2025-12-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1765951410900, creator=13701087609, updateTime=1765951410900, updator=13701087609, issue=Issue{id=1208051024368083510, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='18', pageStart='7455', pageEnd='7883', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1765951408712, creator=13701087609, updateTime=1765951896766, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1208053071507198943, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1208051024368083510, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1208053071507198944, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1208051024368083510, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=7710, endPage=7718, ext={EN=ArticleExt(id=1208051037273953248, articleId=1208051033545216801, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Experiment of Automatic Glacier Extraction Methods Based on Sentinel-2 Image, columnId=1156262729162810294, journalTitle=Science Technology and Engineering, columnName=Papers·Automation and Computational Technology, runingTitle=null, highlight=null, articleAbstract=
Over the past half-century, global warming and humidification have led to an accelerated rate of glacier melting in China, highlighting the increasing importance of monitoring glacier distribution. However, current automated glacier extraction methods have significant limitations, such as boundary fragmentation, omission of glaciers in shaded mountain areas, and misclassification in cloud-covered regions. To address these issues, this study selected Menyuan County in Qinghai Province as the experimental area. Sentinel-2 imagery and DEM data were utilized, applying object-oriented automatic classification technology in combination with the C5.0 decision tree model to develop a multi-feature glacier extraction rule set and a neighborhood feature rule set. An improved two-stage object-oriented glacier extraction method was subsequently proposed. The findings revealed that glaciers exhibited distinct response patterns across various features, including spectral mean, spectral standard deviation, NDSI (normalized difference snow index), DEM (digital elevation model), adjacency, and slope orientation. A two-stage glacier extraction method effectively enabled automatic glacier extraction. It also significantly enhanced the recognition accuracy in cloud-covered and shaded mountain regions, achieving an overall glacier recognition accuracy of 98.50%.
, correspAuthors=Zong-ren LI, 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=Li HUANG, Zong-ren LI, De-lin LI, Rong-fang XIN, Qi-ping LI, Sai-la-jia WEI), CN=ArticleExt(id=1208051043515077032, articleId=1208051033545216801, tenantId=1146029695717560320, journalId=1146123166801305609, language=CN, title=基于Sentinel-2影像的冰川自动化提取方法试验, 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=
近半个世纪以来,受全球气候暖湿化影响,中国冰川消融速度逐渐加剧,加强对冰川分布状况的监测日益重要,如何快速且准确地提取冰川信息,对实现冰川常态化监测工作尤为关键。针对目前冰川自动化提取方法存在的不足,采用面向对象自动分类技术,以青海省门源县为试验区,利用Sentinel-2影像与DEM数据,分析总结了冰川在多维度特征下的表现规律,并针对冰川提取中存在的边界破碎、山体阴影处的漏提、云误提等现象,利用决策树C5.0模型构建了多特征组合的冰川提取规则集与邻域特征的提取规则集,解决了单阶段面向对象自动化提取算法存在的主要问题,形成了基于面向对象的两阶段冰川提取方法,实现了冰川信息的高效自动化提取。试验结果表明:区内冰川在光谱均值、光谱标准差、归一化雪盖指数NDSI、DEM、邻接度、坡向等特征下具有响应规律,构建的两阶段提取方法能够较好地实现冰川的自动化提取,并在云盖区域和山体阴影区域内具有良好的识别效果,识别精度达98.50%。
, correspAuthors=李宗仁, authorNote=null, correspAuthorsNote=
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, authorsList=黄丽, 李宗仁, 李得林, 辛荣芳, 李启萍, 魏赛拉加)}, authors=[Author(id=1208085587073012611, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=289992860@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1208085587211424660, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, authorId=1208085587073012611, language=EN, stringName=Li HUANG, firstName=Li, middleName=null, lastName=HUANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1 Institute of Geological Survey of Qinghai Province, Xining 810012, China
2 Qinghai Remote Sensing Big Data Engineering Technology Research Center, Xining 810012, China
3 Qinghai Geological Survey Institute, The northern Qinghai-Tibet Plateau Geological Processes and Mineral Resources Laboratory, Xining 810012, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1208085587333059493, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, authorId=1208085587073012611, language=CN, stringName=黄丽, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1 青海省地质调查院, 西宁 810012
2 青海省遥感大数据工程技术研究中心, 西宁 810012
3 青藏高原北部地质过程与矿产资源重点实验室, 西宁 810012, bio={"content":"
黄丽(1986—),女,汉族,青海民和人,硕士,工程师。研究方向:测绘与遥感技术应用。E-mail:289992860@qq.com。
"}, bioImg=null, bioContent=
黄丽(1986—),女,汉族,青海民和人,硕士,工程师。研究方向:测绘与遥感技术应用。E-mail:289992860@qq.com。
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3 青藏高原北部地质过程与矿产资源重点实验室, 西宁 810012)])]), Author(id=1208085587479860144, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=303523234@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=1, authorType=1, ext={EN=AuthorExt(id=1208085587718935505, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, authorId=1208085587479860144, language=EN, stringName=Zong-ren LI, firstName=Zong-ren, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, *, address=
1 Institute of Geological Survey of Qinghai Province, Xining 810012, China
2 Qinghai Remote Sensing Big Data Engineering Technology Research Center, Xining 810012, China
3 Qinghai Geological Survey Institute, The northern Qinghai-Tibet Plateau Geological Processes and Mineral Resources Laboratory, Xining 810012, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1208085587865736162, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, authorId=1208085587479860144, language=CN, stringName=李宗仁, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, *, address=
1 青海省地质调查院, 西宁 810012
2 青海省遥感大数据工程技术研究中心, 西宁 810012
3 青藏高原北部地质过程与矿产资源重点实验室, 西宁 810012, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1208085586204791608, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, xref=1, ext=[AuthorCompanyExt(id=1208085586213180218, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, companyId=1208085586204791608, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 Institute of Geological Survey of Qinghai Province, Xining 810012, China), AuthorCompanyExt(id=1208085586288677699, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, companyId=1208085586204791608, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 青海省地质调查院, 西宁 810012)]), AuthorCompany(id=1208085586578084687, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, xref=2, ext=[AuthorCompanyExt(id=1208085586586473299, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, companyId=1208085586578084687, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 青海省遥感大数据工程技术研究中心, 西宁 810012)]), AuthorCompany(id=1208085586720691037, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, xref=3, ext=[AuthorCompanyExt(id=1208085586733273952, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, companyId=1208085586720691037, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 Qinghai Geological Survey Institute, The northern Qinghai-Tibet Plateau Geological Processes and Mineral Resources Laboratory, Xining 810012, China), AuthorCompanyExt(id=1208085586754245479, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, companyId=1208085586720691037, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 青藏高原北部地质过程与矿产资源重点实验室, 西宁 810012)])]), Author(id=1208085588016731119, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1208085588222251008, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, authorId=1208085588016731119, language=EN, stringName=De-lin LI, firstName=De-lin, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1 Institute of Geological Survey of Qinghai Province, Xining 810012, China
2 Qinghai Remote Sensing Big Data Engineering Technology Research Center, Xining 810012, China
3 Qinghai Geological Survey Institute, The northern Qinghai-Tibet Plateau Geological Processes and Mineral Resources Laboratory, Xining 810012, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1208085588301942793, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, authorId=1208085588016731119, language=CN, stringName=李得林, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1 青海省地质调查院, 西宁 810012
2 青海省遥感大数据工程技术研究中心, 西宁 810012
3 青藏高原北部地质过程与矿产资源重点实验室, 西宁 810012, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1208085586204791608, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, xref=1, ext=[AuthorCompanyExt(id=1208085586213180218, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, companyId=1208085586204791608, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 Institute of Geological Survey of Qinghai Province, Xining 810012, China), AuthorCompanyExt(id=1208085586288677699, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, companyId=1208085586204791608, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 青海省地质调查院, 西宁 810012)]), AuthorCompany(id=1208085586578084687, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, xref=2, ext=[AuthorCompanyExt(id=1208085586586473299, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, companyId=1208085586578084687, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 青海省遥感大数据工程技术研究中心, 西宁 810012)]), AuthorCompany(id=1208085586720691037, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, xref=3, ext=[AuthorCompanyExt(id=1208085586733273952, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, companyId=1208085586720691037, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3 青藏高原北部地质过程与矿产资源重点实验室, 西宁 810012)])]), Author(id=1208085588419383318, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1208085588561989678, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, authorId=1208085588419383318, language=EN, stringName=Rong-fang XIN, firstName=Rong-fang, middleName=null, lastName=XIN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1 Institute of Geological Survey of Qinghai Province, Xining 810012, China
2 Qinghai Remote Sensing Big Data Engineering Technology Research Center, Xining 810012, China
3 Qinghai Geological Survey Institute, The northern Qinghai-Tibet Plateau Geological Processes and Mineral Resources Laboratory, Xining 810012, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1208085588759121982, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, authorId=1208085588419383318, language=CN, stringName=辛荣芳, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1 青海省地质调查院, 西宁 810012
2 青海省遥感大数据工程技术研究中心, 西宁 810012
3 青藏高原北部地质过程与矿产资源重点实验室, 西宁 810012, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1208085586204791608, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, xref=1, ext=[AuthorCompanyExt(id=1208085586213180218, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, companyId=1208085586204791608, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1 Institute of Geological Survey of Qinghai Province, Xining 810012, China), AuthorCompanyExt(id=1208085586288677699, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, companyId=1208085586204791608, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 青海省地质调查院, 西宁 810012)]), AuthorCompany(id=1208085586578084687, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, xref=2, ext=[AuthorCompanyExt(id=1208085586586473299, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, companyId=1208085586578084687, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 Qinghai Remote Sensing Big Data Engineering Technology Research Center, Xining 810012, China), AuthorCompanyExt(id=1208085586599056211, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, companyId=1208085586578084687, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 青海省遥感大数据工程技术研究中心, 西宁 810012)]), AuthorCompany(id=1208085586720691037, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, xref=3, ext=[AuthorCompanyExt(id=1208085586733273952, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, companyId=1208085586720691037, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 Qinghai Geological Survey Institute, The northern Qinghai-Tibet Plateau Geological Processes and Mineral Resources Laboratory, Xining 810012, China), AuthorCompanyExt(id=1208085586754245479, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, companyId=1208085586720691037, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 青藏高原北部地质过程与矿产资源重点实验室, 西宁 810012)]), AuthorCompany(id=1208085586896851826, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, xref=4, ext=[AuthorCompanyExt(id=1208085586913629042, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, companyId=1208085586896851826, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4 Geological Environment Monitoring Station of Qinghai Provincial, Xining 810001, China), AuthorCompanyExt(id=1208085586917823347, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, companyId=1208085586896851826, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4 青海省地质环境监测总站, 西宁 810001)])], figs=[ArticleFig(id=1208085593054089589, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=EN, label=Fig.1, caption=
Map of geographical location and geomorphic characteristics of the experimental site, figureFileSmall=IXTzYFrkLhXJQ/6wVYqaCQ==, figureFileBig=+zoT5UdiYOsvqVGPaouTuw==, tableContent=null), ArticleFig(id=1208085593150558594, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=CN, label=图1, caption=
试验区地理位置及地貌特征图, figureFileSmall=IXTzYFrkLhXJQ/6wVYqaCQ==, figureFileBig=+zoT5UdiYOsvqVGPaouTuw==, tableContent=null), ArticleFig(id=1208085593284776335, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=EN, label=Fig.2, caption=
Sentinel-2 image of the experimental site, figureFileSmall=ikpOWaBdx5SbFOB7iq7KjQ==, figureFileBig=opUFGVPLwIxtI4fEP36xLg==, tableContent=null), ArticleFig(id=1208085593452548502, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=CN, label=图2, caption=
试验区Sentinel-2影像, figureFileSmall=ikpOWaBdx5SbFOB7iq7KjQ==, figureFileBig=opUFGVPLwIxtI4fEP36xLg==, tableContent=null), ArticleFig(id=1208085593590960544, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=EN, label=Fig.3, caption=
DEM data of the experimental site, figureFileSmall=ikXU/va1BfJrJpFJvJ+80w==, figureFileBig=wvcwzwF8n/H798nvu6/tkg==, tableContent=null), ArticleFig(id=1208085593758732711, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=CN, label=图3, caption=
试验区DEM数据, figureFileSmall=ikXU/va1BfJrJpFJvJ+80w==, figureFileBig=wvcwzwF8n/H798nvu6/tkg==, tableContent=null), ArticleFig(id=1208085593884561837, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=EN, label=Fig.4, caption=
The overall flow chart, figureFileSmall=GUMbaN65SsrqGsyxXIBf5g==, figureFileBig=LRCzdnpXr5zgzJpDV0boAQ==, tableContent=null), ArticleFig(id=1208085595071549881, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=CN, label=图4, caption=
总体技术流程图, figureFileSmall=GUMbaN65SsrqGsyxXIBf5g==, figureFileBig=LRCzdnpXr5zgzJpDV0boAQ==, tableContent=null), ArticleFig(id=1208085595222544838, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=EN, label=Fig.5, caption=
Multi-scale segmentation results of the experimental site, figureFileSmall=qi5dYU5gsAKsLkJ1SsppuA==, figureFileBig=nVGg89w33n52enuffI/t/A==, tableContent=null), ArticleFig(id=1208085595390317007, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=CN, label=图5, caption=
试验区多尺度分割图斑结果, figureFileSmall=qi5dYU5gsAKsLkJ1SsppuA==, figureFileBig=nVGg89w33n52enuffI/t/A==, tableContent=null), ArticleFig(id=1208085595549700571, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=EN, label=Fig.6, caption=
Glacier distribution ture values and extraction results of the experimental site, figureFileSmall=vLYTGwuXqQ2Xb1fCgyFQ3w==, figureFileBig=+aKqVdiLqD5r8Rqtq8ugcg==, tableContent=null), ArticleFig(id=1208085595734249964, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=CN, label=图6, caption=
试验区冰川分布真值与提取结果, figureFileSmall=vLYTGwuXqQ2Xb1fCgyFQ3w==, figureFileBig=+aKqVdiLqD5r8Rqtq8ugcg==, tableContent=null), ArticleFig(id=1208085595881050614, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=EN, label=Fig.7, caption=
Detailed graph of the results of multi-feature combination and mean feature extraction in the experimental site, figureFileSmall=kHidc6l6BV4UGvLIlO1bCw==, figureFileBig=qT6NAwdjXMVcUKpmtlQJow==, tableContent=null), ArticleFig(id=1208085595994296834, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=CN, label=图7, caption=
试验区多特征组合与均值特征提取结果细节图, figureFileSmall=kHidc6l6BV4UGvLIlO1bCw==, figureFileBig=qT6NAwdjXMVcUKpmtlQJow==, tableContent=null), ArticleFig(id=1208085596132708877, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=EN, label=Fig.8, caption=
Comparison between multi-feature combination extraction and neighborhood feature extraction, figureFileSmall=Qntmq8qEuBVDkBIFD8Tk+Q==, figureFileBig=wqYbiBYIJ+PCrIED5Y0SIA==, tableContent=null), ArticleFig(id=1208085596224983576, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=CN, label=图8, caption=
多特征组合与邻域特征提取结果比较, figureFileSmall=Qntmq8qEuBVDkBIFD8Tk+Q==, figureFileBig=wqYbiBYIJ+PCrIED5Y0SIA==, tableContent=null), ArticleFig(id=1208085596363395617, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=EN, label=Table 1, caption=
Main band parameters of Sentinel-2 satellite
, figureFileSmall=null, figureFileBig=null, tableContent=
| 传感器 | 波段 | 波长/μm | 空间分辨率/m |
多光谱成 像仪 | 1:海岸/气溶胶波段 | 0.433 | 60 |
| 2:蓝波段 | 0.490 | 10 |
| 3:绿波段 | 0.560 | 10 |
| 4:红波段 | 0.665 | 10 |
| 5:植被红边波段 | 0.705 | 20 |
| 6:植被红边波段 | 0.740 | 20 |
| 7:植被红边波段 | 0.783 | 20 |
| 8:近红外波段 | 0.842 | 10 |
| 8:A-近红外波段(窄) | 0.865 | 20 |
| 9:水蒸气波段 | 0.945 | 60 |
| 10:短波红外波段 | 1.375 | 60 |
| 11:短波红外波段 | 1.610 | 20 |
| 12:短波红外波段 | 2.190 | 20 |
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Sential-2卫星主要波段参数
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| 传感器 | 波段 | 波长/μm | 空间分辨率/m |
多光谱成 像仪 | 1:海岸/气溶胶波段 | 0.433 | 60 |
| 2:蓝波段 | 0.490 | 10 |
| 3:绿波段 | 0.560 | 10 |
| 4:红波段 | 0.665 | 10 |
| 5:植被红边波段 | 0.705 | 20 |
| 6:植被红边波段 | 0.740 | 20 |
| 7:植被红边波段 | 0.783 | 20 |
| 8:近红外波段 | 0.842 | 10 |
| 8:A-近红外波段(窄) | 0.865 | 20 |
| 9:水蒸气波段 | 0.945 | 60 |
| 10:短波红外波段 | 1.375 | 60 |
| 11:短波红外波段 | 1.610 | 20 |
| 12:短波红外波段 | 2.190 | 20 |
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Feature correlation statistics table
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| 特征 | B-Mean | SWIR1-Mean | B-Std | G-Std | NIR-Std | SWIR1-Std | NDSI | DEM |
| B-Mean | 1.000 | | | | | | | |
| SWIR1-Mean | -0.349 | 1.000 | | | | | | |
| B-Std | 0.594 | -0.270 | 1.000 | | | | | |
| G-Std | 0.541 | -0.194 | 0.894 | 1.000 | | | | |
| NIR-Std | 0.425 | -0.073 | 0.658 | 0.829 | 1.000 | | | |
| SWIR1-Std | -0.150 | -0.109 | 0.179 | 0.175 | 0.228 | 1.000 | | |
| NDSI | 0.853 | -0.738 | 0.581 | 0.521 | 0.383 | -0.085 | 1.000 | |
| DEM | -0.038 | 0.050 | -0.027 | -0.021 | -0.014 | -0.001 | -0.051 | 1.000 |
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特征相关性统计表
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| 特征 | B-Mean | SWIR1-Mean | B-Std | G-Std | NIR-Std | SWIR1-Std | NDSI | DEM |
| B-Mean | 1.000 | | | | | | | |
| SWIR1-Mean | -0.349 | 1.000 | | | | | | |
| B-Std | 0.594 | -0.270 | 1.000 | | | | | |
| G-Std | 0.541 | -0.194 | 0.894 | 1.000 | | | | |
| NIR-Std | 0.425 | -0.073 | 0.658 | 0.829 | 1.000 | | | |
| SWIR1-Std | -0.150 | -0.109 | 0.179 | 0.175 | 0.228 | 1.000 | | |
| NDSI | 0.853 | -0.738 | 0.581 | 0.521 | 0.383 | -0.085 | 1.000 | |
| DEM | -0.038 | 0.050 | -0.027 | -0.021 | -0.014 | -0.001 | -0.051 | 1.000 |
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Multi-feature combination rule set
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| 类型 | 提取规则集 |
| 冰川 | 规则1 | IF B-Std≤2 012.197 and NDSI ≤ 0.027 and DEM > 3 862.061 and SWIR1-Mean≤ 13 325 and B-Mean>18 020.387 |
| 规则2 | IF G-Std> 4 062.874 and NDSI ≤ 0.113 and DEM > 4 251.944 and B-Mean > 18 020.387 |
| 规则3 | IF DEM > 4 269.164 and B-Mean > 18 020.387 |
| 规则4 | IF DEM > 4 306.618 and B-Mean > 17 927.063 |
| 规则5 | IF NIR-Std> 1 293.764 and NDSI ≤ 0.027 and DEM > 3 862.061 and SWIR1-Std ≤13 325 and B-Mean > 18 020.387 |
| 规则6 | IF NDSI ≤0.113 and DEM > 4 109.698 and SWIR1-Mean ≤16 662.381 and B-Mean >18 020.387 |
| 规则7 | IF SWIR1-Std > 371.375 and G-Std≤ 4 062.874 and NDSI ≤ 0.113 and DEM > 4 109.698 and B-Mean > 18 020.387 |
| 规则8 | IF NIR-Std> 5 799.014 and NDSI ≤0.113 and DEM > 4 109.698 |
| 非冰川 | 规则1 | IF DEM > 2 360 and DEM ≤4 306.618 and B-Mean≤18 020.387 |
| 规则2 | IF B-Mean ≤17 927.063 |
| 规则3 | IF DEM > 2 360 and DEM ≤4 109.698 |
| 规则4 | IF NDSI≤0.113 and DEM > 2 360 and DEM≤4 306.618 and SWIR1-Mean > 16 662.381 |
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多特征组合规则集
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| 类型 | 提取规则集 |
| 冰川 | 规则1 | IF B-Std≤2 012.197 and NDSI ≤ 0.027 and DEM > 3 862.061 and SWIR1-Mean≤ 13 325 and B-Mean>18 020.387 |
| 规则2 | IF G-Std> 4 062.874 and NDSI ≤ 0.113 and DEM > 4 251.944 and B-Mean > 18 020.387 |
| 规则3 | IF DEM > 4 269.164 and B-Mean > 18 020.387 |
| 规则4 | IF DEM > 4 306.618 and B-Mean > 17 927.063 |
| 规则5 | IF NIR-Std> 1 293.764 and NDSI ≤ 0.027 and DEM > 3 862.061 and SWIR1-Std ≤13 325 and B-Mean > 18 020.387 |
| 规则6 | IF NDSI ≤0.113 and DEM > 4 109.698 and SWIR1-Mean ≤16 662.381 and B-Mean >18 020.387 |
| 规则7 | IF SWIR1-Std > 371.375 and G-Std≤ 4 062.874 and NDSI ≤ 0.113 and DEM > 4 109.698 and B-Mean > 18 020.387 |
| 规则8 | IF NIR-Std> 5 799.014 and NDSI ≤0.113 and DEM > 4 109.698 |
| 非冰川 | 规则1 | IF DEM > 2 360 and DEM ≤4 306.618 and B-Mean≤18 020.387 |
| 规则2 | IF B-Mean ≤17 927.063 |
| 规则3 | IF DEM > 2 360 and DEM ≤4 109.698 |
| 规则4 | IF NDSI≤0.113 and DEM > 2 360 and DEM≤4 306.618 and SWIR1-Mean > 16 662.381 |
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Neighborhood feature rule set
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| 类型 | 提取规则集 |
| 冰川 | 规则1 | IF邻接度> 0.873 |
| 规则2 | IF邻接度≥0.659 and 坡向≤ 86.545° |
| 非冰川 | 规则1 | IF邻接度< 0.659 or 坡向> 86.545° |
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邻域特征规则集
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| 类型 | 提取规则集 |
| 冰川 | 规则1 | IF邻接度> 0.873 |
| 规则2 | IF邻接度≥0.659 and 坡向≤ 86.545° |
| 非冰川 | 规则1 | IF邻接度< 0.659 or 坡向> 86.545° |
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Quantitative comparison table of glacier distribution ture values and extraction results
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| 量化指标 | 冰川分布 真值 | 多特征 提取结果 | 均值提取 结果 |
| 面积/km2 | 69.68 | 99.58 | 137.34 |
| 全区面积占比/% | 1.09 | 1.56 | 2.15 |
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冰川分布真值与提取结果对比量化表
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| 量化指标 | 冰川分布 真值 | 多特征 提取结果 | 均值提取 结果 |
| 面积/km2 | 69.68 | 99.58 | 137.34 |
| 全区面积占比/% | 1.09 | 1.56 | 2.15 |
), ArticleFig(id=1208085597672018548, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=EN, label=Table 6, caption=
Confusion matrix statistical table of multi-featurecombination extraction in the experimental site
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| 项目 | 分类 | 预测值 |
| 冰川 | 非冰川 | 合计 |
| 真值 | 冰川 | 5 902 | 694 | 6 596 |
| 非冰川 | 118 | 31 433 | 31 551 |
| 合计 | 6 020 | 32 127 | 38 147 |
| 总体精度/% | 97.87 |
), ArticleFig(id=1208085597818819194, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=CN, label=表6, caption=
试验区多特征组合提取结果混淆矩阵统计表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 分类 | 预测值 |
| 冰川 | 非冰川 | 合计 |
| 真值 | 冰川 | 5 902 | 694 | 6 596 |
| 非冰川 | 118 | 31 433 | 31 551 |
| 合计 | 6 020 | 32 127 | 38 147 |
| 总体精度/% | 97.87 |
), ArticleFig(id=1208085597953036931, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=EN, label=Table 7, caption=
Confusion matrix statistical table of spectral Mean feature extraction in the experimental site
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 分类 | 预测值 |
| 冰川 | 非冰川 | 合计 |
| 真值 | 冰川 | 6 019 | 0 | 6 019 |
| 非冰川 | 2 830 | 29 298 | 32 128 |
| 合计 | 8 849 | 29 298 | 38 147 |
| 总体精度/% | 92.58 |
), ArticleFig(id=1208085598150169228, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1208051033545216801, language=CN, label=表7, caption=
试验区光谱均值特征提取结果混淆矩阵统计表
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| 项目 | 分类 | 预测值 |
| 冰川 | 非冰川 | 合计 |
| 真值 | 冰川 | 6 019 | 0 | 6 019 |
| 非冰川 | 2 830 | 29 298 | 32 128 |
| 合计 | 8 849 | 29 298 | 38 147 |
| 总体精度/% | 92.58 |
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