Article(id=1243954929157648487, tenantId=1146029695717560320, journalId=1149651085930835976, issueId=1243954925370196248, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-4193.2020.04.012, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1558022400000, receivedDateStr=2019-05-17, revisedDate=1566316800000, revisedDateStr=2019-08-21, acceptedDate=null, acceptedDateStr=null, onlineDate=1774511566676, onlineDateStr=2026-03-26, pubDate=1587744000000, pubDateStr=2020-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1774511566676, onlineIssueDateStr=2026-03-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774511566676, creator=13701087609, updateTime=1774511566676, updator=13701087609, issue=Issue{id=1243954925370196248, tenantId=1146029695717560320, journalId=1149651085930835976, year='2020', volume='42', issue='4', pageStart='1', pageEnd='136', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1774511565773, creator=13701087609, updateTime=1774511565773, updator=13701087609, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=104, endPage=112, ext={EN=ArticleExt(id=1243954929577078890, articleId=1243954929157648487, tenantId=1146029695717560320, journalId=1149651085930835976, language=EN, title=Extracting mangrove information using MNF transformation based on HY-1C CZI spectral indices reconstruction data, columnId=1243954929497387113, journalTitle=Haiyang Xuebao, columnName=Marine Technology, runingTitle=null, highlight=null, articleAbstract=
In this study, we first used the spectral vegetation indices such as normalized difference vegetation index (NDVI), normalized difference water index (NDWI), atmospheric impedance vegetation index (ARPI) and visible spectrum slope ratio of coastal zone imager (CVSSR) to reconstruct the HY-1C coastal zone imager (CZI) image data of the Shankou mangrove national ecosystem nature reserve in Guangxi. And then, the minimum noise fraction rotation (MNF) was used to enhance the spectral difference between mangroves and general terrestrial vegetation on the reconstructed multi-band data set. We established a decision tree based on the MNF components to achieve automatic extracting mangrove information. The results show that the spectral indices reconstruction data and its MNF transformation can effectively enhance the difference between the mangroves and the general terrestrial vegetation on CZI images, the mangrove information can be effectively extracted by our decision tree. Compared with the experts’ interpretation results, the extracted accuracy of area of our method is over 90%. The overall detection accuracy is 88% after verification by random sample points.
, correspAuthors=Li Liu, authorNote=null, correspAuthorsNote=null, copyrightStatement=Haiyang Xuebao, 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=Chao Liang, Li Liu, Jianqiang Liu, Bin Zou, Yarong Zou, Songxue Cui), CN=ArticleExt(id=1243954933104488619, articleId=1243954929157648487, tenantId=1146029695717560320, journalId=1149651085930835976, language=CN, title=基于HY-1C CZI影像光谱指数重构数据MNF变换的红树林提取, columnId=1243954929677742188, journalTitle=海洋学报, columnName=海洋技术, runingTitle=null, highlight=null, articleAbstract=
本文基于广西山口国家红树林生态自然保护区的HY-1C卫星的海岸带成像仪(Coastal Zone Imager,CZI)影像,分析了红树林与一般陆地植被的光谱特征及其光谱指数的相关性,采用归一化差值植被指数(Normalized Difference Vegetation Index,NDVI)、归一化差异水分指数(Normalized Difference Water Index,NDWI)、大气阻抗植被指数(Atmospheric Impedance Vegetation Index,ARVI)及利用CZI波段构建的光谱斜率比(CZI Visible Spectrum Slope Ratio,CVSSR)4个指数替代CZI原始波段形成重构数据,基于重构数据的最小噪声分离变换(Minimum Noise Fraction Rotation,MNF)结果分量,建立决策树并实现了红树林信息的自动提取。研究结果表明:结合本文所选光谱指数重构数据及MNF变换方法,能够有效增强CZI影像上红树林与一般陆地植被的光谱差异,基于MNF变换分量建立的决策树可有效提取红树林信息,经与专家解译结果比对,本文方法面积准确率达90%以上;经随机样本点验证,总体检测精度为88%。
, correspAuthors=刘利, authorNote=null, correspAuthorsNote=
, copyrightStatement=版权所有©《海洋学报》编辑部 2023
梁超,刘利,刘建强,等. 基于HY-1C CZI影像光谱指数重构数据MNF变换的红树林提取[J]. 海洋学报,2020,42(4):104–112,doi:10.3969/j.issn.0253−4193.2020.04.012Liang Chao,Liu Li,Liu Jianqiang, et al. Extracting mangrove information using MNF transformation based on HY-1C CZI spectral indices reconstruction data[J]. Haiyang Xuebao,2020, 42(4):104–112,doi:10.3969/j.issn.0253−4193.2020.04.012
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1 National Satellite Ocean Application Service, Ministry of Natural Resources, Beijing 100081, China
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1 自然资源部 国家卫星海洋应用中心,北京 100081
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梁超(1985-),男,陕西省咸阳市人,主要研究方向为卫星海洋遥感应用。E-mail:liangchao@mail.nsoas.org.cn
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梁超(1985-),男,陕西省咸阳市人,主要研究方向为卫星海洋遥感应用。E-mail:liangchao@mail.nsoas.org.cn
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1 National Satellite Ocean Application Service, Ministry of Natural Resources, Beijing 100081, China
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1 自然资源部 国家卫星海洋应用中心,北京 100081
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1 National Satellite Ocean Application Service, Ministry of Natural Resources, Beijing 100081, China
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1 National Satellite Ocean Application Service, Ministry of Natural Resources, Beijing 100081, China
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1 自然资源部 国家卫星海洋应用中心,北京 100081
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Image Analysis, Classification and Change Detection in Remote Sensing: with Algorithms for ENVI/IDL[M]. New York: CRC Press, 2014., articleTitle=null, refAbstract=null)], funds=[Fund(id=1246538015464645101, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, awardId=null, language=CN, fundingSource=国家重点研发计划(2018YFB0505001-04)。, fundOrder=null, country=null)], companyList=[AuthorCompany(id=1246538009856860345, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, xref=1, ext=[AuthorCompanyExt(id=1246538009865248953, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, companyId=1246538009856860345, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Study area location and the CZI original image of HY-1C satellite, figureFileSmall=jDVr1eo/LmTirPytha1ZRg==, figureFileBig=+bHRnBohaK0+Mukq3s+hgQ==, tableContent=null), ArticleFig(id=1246538013245858179, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=CN, label=图1, caption=
研究区位置与HY-1C卫星CZI原始影像, figureFileSmall=jDVr1eo/LmTirPytha1ZRg==, figureFileBig=+bHRnBohaK0+Mukq3s+hgQ==, tableContent=null), ArticleFig(id=1246538013375881607, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=EN, label=Fig. 2, caption=
The research flow chart, figureFileSmall=h7FMm0FBCUOFMaauxJofMA==, figureFileBig=nyLDYlDt/ncxaWUVgo5ccw==, tableContent=null), ArticleFig(id=1246538013472350603, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=CN, label=图2, caption=
本文研究方法流程图, figureFileSmall=h7FMm0FBCUOFMaauxJofMA==, figureFileBig=nyLDYlDt/ncxaWUVgo5ccw==, tableContent=null), ArticleFig(id=1246538013535265166, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=EN, label=Fig. 3, caption=
Spectral curves of mangrove (a) and general terrestrial vegetation (b) on CZI image, figureFileSmall=lhaQB4I0jIvwnMp6MUQokQ==, figureFileBig=giMsi/B/B20n1gAKEQo3RA==, tableContent=null), ArticleFig(id=1246538013593985426, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=CN, label=图3, caption=
CZI影像上红树林(a)与一般陆地植被(b)光谱曲线, figureFileSmall=lhaQB4I0jIvwnMp6MUQokQ==, figureFileBig=giMsi/B/B20n1gAKEQo3RA==, tableContent=null), ArticleFig(id=1246538013686260117, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=EN, label=Fig. 4, caption=
Histograms of apparent reflectance distribution of mangroves (a) and general terrestrial vegetation (b), figureFileSmall=RFsAVXcxXxLARQV0rcDCyA==, figureFileBig=f9znVPBRD3zoood04+b5Tg==, tableContent=null), ArticleFig(id=1246538013757563288, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=CN, label=图4, caption=
红树林(a)与一般陆地植被(b)表观反射率分布直方图, figureFileSmall=RFsAVXcxXxLARQV0rcDCyA==, figureFileBig=f9znVPBRD3zoood04+b5Tg==, tableContent=null), ArticleFig(id=1246538013900169629, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=EN, label=Fig. 5, caption=
Histograms of the spectral index reconstruction data, figureFileSmall=tDrbLHvP9Z3RgRhLUQx2pw==, figureFileBig=hTsdKW7BXzpeSLTNm0FaNw==, tableContent=null), ArticleFig(id=1246538014009221540, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=CN, label=图5, caption=
光谱指数重构数据样本直方图, figureFileSmall=tDrbLHvP9Z3RgRhLUQx2pw==, figureFileBig=hTsdKW7BXzpeSLTNm0FaNw==, tableContent=null), ArticleFig(id=1246538014118273452, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=EN, label=Fig. 6, caption=
The 4 MNF components of the reconstruction data, figureFileSmall=2iAx7l2QcOuElGHcd2kgTg==, figureFileBig=qNQ5g/slTaI0AiCGjLarOw==, tableContent=null), ArticleFig(id=1246538014223131054, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=CN, label=图6, caption=
重构后数据MNF的4个分量, figureFileSmall=2iAx7l2QcOuElGHcd2kgTg==, figureFileBig=qNQ5g/slTaI0AiCGjLarOw==, tableContent=null), ArticleFig(id=1246538014302822835, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=EN, label=Fig. 7, caption=
Histograms of MNF components of the spectral index reconstruction data, figureFileSmall=iX5dnCVtbsLtuA6PHuXvVQ==, figureFileBig=apiNh/63XoC+UK/qx3yZyA==, tableContent=null), ArticleFig(id=1246538014390903224, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=CN, label=图7, caption=
光谱指数重构数据MNF结果样本直方图, figureFileSmall=iX5dnCVtbsLtuA6PHuXvVQ==, figureFileBig=apiNh/63XoC+UK/qx3yZyA==, tableContent=null), ArticleFig(id=1246538014499955131, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=EN, label=Fig. 8, caption=
Decision tree for mangrove extracting, figureFileSmall=XT4HH4TKb6h+uwozTkCWZA==, figureFileBig=azQ35Uu4/5mlIK4bgCrJjQ==, tableContent=null), ArticleFig(id=1246538014562869695, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=CN, label=图8, caption=
红树林提取决策树, figureFileSmall=XT4HH4TKb6h+uwozTkCWZA==, figureFileBig=azQ35Uu4/5mlIK4bgCrJjQ==, tableContent=null), ArticleFig(id=1246538014659338692, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=EN, label=Fig. 9, caption=
Mangrove extraction results, figureFileSmall=bQ+Jf+xNIBJH8z+EqUxWZw==, figureFileBig=Nbo4JN2XDqsPpLb0AmVqKg==, tableContent=null), ArticleFig(id=1246538014718058953, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=CN, label=图9, caption=
研究区红树林提取结果分布, figureFileSmall=bQ+Jf+xNIBJH8z+EqUxWZw==, figureFileBig=Nbo4JN2XDqsPpLb0AmVqKg==, tableContent=null), ArticleFig(id=1246538014789362125, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=EN, label=Table 1, caption=
The main technical indicators of HY-1C satellite CZI sensor
, figureFileSmall=null, figureFileBig=null, tableContent=
| 波段 | 波长范围/nm | 空间分辨率/m |
| 1 | 420~500 | 50 |
| 2 | 520~600 | 50 |
| 3 | 610~690 | 50 |
| 4 | 760~890 | 50 |
), ArticleFig(id=1246538014852276687, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=CN, label=表1, caption=
HY-1C卫星CZI传感器主要技术指标
, figureFileSmall=null, figureFileBig=null, tableContent=
| 波段 | 波长范围/nm | 空间分辨率/m |
| 1 | 420~500 | 50 |
| 2 | 520~600 | 50 |
| 3 | 610~690 | 50 |
| 4 | 760~890 | 50 |
), ArticleFig(id=1246538014940357076, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=EN, label=Table 2, caption=
List of vegetation spectral indices used in this paper
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 英文全称 | 简写 | 公式 | 选择依据 |
| 注:NIR代表近红外波段,R代表红波段,G代表绿波段,B代表蓝波段。 |
| 归一化差值植被指数 | Normalized Difference Vegetation Index | NDVI | $(NIR-R)/(NIR+R) $ | 对绿色植被敏感,常用于植被状态研究 |
| 比值植被指数 | Ratio Vegetation Index | RVI | $R/NIR $ | 对浓密覆盖植被敏感 |
| 红色植被指数 | Red Vegetation Index | RI | $(R-G)/(R+G) $ | 对土壤颜色影响的植被指数的校正 |
| 结构不敏感色素指数 | Structure Insensitive Pigment Index | SIPI | $(NIR-B)/(NIR+R) $ | 标识植被冠层胁迫性的增加 |
| 归一化差异水分指数 | Normalized Difference Water Index | NDWI | $(G-NIR)/(G+NIR) $ | 对土壤湿度敏感 |
| 归一化差异绿度指数 | Normalized Difference Greenness Index | NDGI | $(G-R)/(G+R) $ | 用于检验不同活力植被形式 |
| 修改型土壤调节植被指数 | Modified Soil-adjusted Vegetation Index | MSAVI | $[2NIR + 1 - \sqrt { { {\left( {2NIR + 1} \right)}^2} - 8\left( {NIR - R} \right)} ]/2$ | 调整土壤背景对植被指数的影响,并减少裸土的影响 |
| 增强型植被指数 | Enhanced Vegetation Index | EVI | $2.5[(NIR-R)/(NIR+6R-7.5B+1)] $ | 同时修订土壤背景和大气噪声的影响 |
| 大气阻抗植被指数 | Atmospheric Impedance Vegetation Index | ARVI | $[NIR-(2R-B)]/[NIR+(2R-B)] $ | 减少大气散射对植被指数的影响 |
| CZI蓝红波段比 | CZI Blue-Red Wave Segment Ratio | CBRI | $(B-R)/(B+R) $ | 反映不同地物在CZI波段之间差异性变化 |
| CZI蓝绿波段比 | CZI Blue-Green Wave Segment Ratio | CBGI | $(B-G)/(B+G) $ | 反映不同地物在CZI波段之间差异性变化 |
| CZI近红外蓝光波段比 | CZI Near Infrared-Blue Wave Segment Ratio | CNBI | $(NIR-B)/(NIR+B) $ | 反映不同地物在CZI波段之间差异性变化 |
| CZI可见光光谱斜率比 | CZI Visible Spectrum Slope Ratio | CVSSR | $\left( {\dfrac{{R - G}}{{650 - 560}}} \right)\bigg/\left( {\dfrac{{G - B}}{{560 - 460}}} \right)$ | 反映不同植被在可见光波段的光谱形态差异 |
), ArticleFig(id=1246538015061991902, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=CN, label=表2, caption=
本文使用的植被光谱指数列表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称 | 英文全称 | 简写 | 公式 | 选择依据 |
| 注:NIR代表近红外波段,R代表红波段,G代表绿波段,B代表蓝波段。 |
| 归一化差值植被指数 | Normalized Difference Vegetation Index | NDVI | $(NIR-R)/(NIR+R) $ | 对绿色植被敏感,常用于植被状态研究 |
| 比值植被指数 | Ratio Vegetation Index | RVI | $R/NIR $ | 对浓密覆盖植被敏感 |
| 红色植被指数 | Red Vegetation Index | RI | $(R-G)/(R+G) $ | 对土壤颜色影响的植被指数的校正 |
| 结构不敏感色素指数 | Structure Insensitive Pigment Index | SIPI | $(NIR-B)/(NIR+R) $ | 标识植被冠层胁迫性的增加 |
| 归一化差异水分指数 | Normalized Difference Water Index | NDWI | $(G-NIR)/(G+NIR) $ | 对土壤湿度敏感 |
| 归一化差异绿度指数 | Normalized Difference Greenness Index | NDGI | $(G-R)/(G+R) $ | 用于检验不同活力植被形式 |
| 修改型土壤调节植被指数 | Modified Soil-adjusted Vegetation Index | MSAVI | $[2NIR + 1 - \sqrt { { {\left( {2NIR + 1} \right)}^2} - 8\left( {NIR - R} \right)} ]/2$ | 调整土壤背景对植被指数的影响,并减少裸土的影响 |
| 增强型植被指数 | Enhanced Vegetation Index | EVI | $2.5[(NIR-R)/(NIR+6R-7.5B+1)] $ | 同时修订土壤背景和大气噪声的影响 |
| 大气阻抗植被指数 | Atmospheric Impedance Vegetation Index | ARVI | $[NIR-(2R-B)]/[NIR+(2R-B)] $ | 减少大气散射对植被指数的影响 |
| CZI蓝红波段比 | CZI Blue-Red Wave Segment Ratio | CBRI | $(B-R)/(B+R) $ | 反映不同地物在CZI波段之间差异性变化 |
| CZI蓝绿波段比 | CZI Blue-Green Wave Segment Ratio | CBGI | $(B-G)/(B+G) $ | 反映不同地物在CZI波段之间差异性变化 |
| CZI近红外蓝光波段比 | CZI Near Infrared-Blue Wave Segment Ratio | CNBI | $(NIR-B)/(NIR+B) $ | 反映不同地物在CZI波段之间差异性变化 |
| CZI可见光光谱斜率比 | CZI Visible Spectrum Slope Ratio | CVSSR | $\left( {\dfrac{{R - G}}{{650 - 560}}} \right)\bigg/\left( {\dfrac{{G - B}}{{560 - 460}}} \right)$ | 反映不同植被在可见光波段的光谱形态差异 |
), ArticleFig(id=1246538015158460898, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=EN, label=Table 3, caption=
Correlation coefficients between NDVI and the other spectral indices
, figureFileSmall=null, figureFileBig=null, tableContent=
| 光谱指数 | 与NDVI之间相关系数 | | 光谱指数 | 与NDVI之间相关系数 |
| RVI | −0.985 | | MSAVI | 0.978 |
| RI | 0.413 | | EVI | 0.989 |
| SIPI | 0.989 | | CBRI | −0.004 |
| NDWI | −0.996 | | CBGI | 0.608 |
| NDGI | −0.413 | | ARVI | −0.238 |
| CNBI | 0.996 | | CVSSR | −0.063 |
), ArticleFig(id=1246538015254929894, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1243954929157648487, language=CN, label=表3, caption=
NDVI与其他光谱指数间的相关系数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 光谱指数 | 与NDVI之间相关系数 | | 光谱指数 | 与NDVI之间相关系数 |
| RVI | −0.985 | | MSAVI | 0.978 |
| RI | 0.413 | | EVI | 0.989 |
| SIPI | 0.989 | | CBRI | −0.004 |
| NDWI | −0.996 | | CBGI | 0.608 |
| NDGI | −0.413 | | ARVI | −0.238 |
| CNBI | 0.996 | | CVSSR | −0.063 |
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