| 新疆哈密三种典型蚀变矿物的HyMap高光谱遥感信息提取 |
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| 引用本文： | 阚明哲,田庆久,张宗贵. 新疆哈密三种典型蚀变矿物的HyMap高光谱遥感信息提取[J].国土资源遥感,2005,16(1):37-40. |
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| 作者姓名： | 阚明哲 田庆久 张宗贵 |
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| 作者单位： | 1. 南京大学国际地球系统科学研究所,南京,210093
2. 中国国土资源航空物探遥感中心,北京,100083 |
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| 基金项目： | 国家863计划项目(2001AA136020-5),中国地质调查局"新疆东天山土屋—延东地区航空成像光谱地质调查"项目(编号:70701207005)资助。 |
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| 摘 要： | 利用机载的可见光、近红外及短波红外成像光谱(ＨyMap)数据,对新疆哈密地区岩矿信息识别方法进行研究。基于方解石、
绿泥石和绢云母3种常见蚀变矿物的光谱特征,在遥感数据定标和反射率图像转换的基础上,应用光谱角度模型（SAM）分类法进行自
动匹配识别和信息提取。通过掩膜技术进行方解石、绿泥石和绢云母矿物填图,并结合实验室光谱数据库光谱进行了验证。
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| 关 键 词： | HyMap 高光谱遥感 蚀变矿物 信息提取 光谱 |
| 文章编号： | 1001-070X(2005)01-0037-04 |
THE EXTRACTION OF HYMAP HYPERSPECTRAL REMOTE SENSING INFORMATION FROM THREE TYPICAL ALTERED MINERALS IN HAMI AREA, XINJIANG |
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| KAN Ming-zhe,TIAN Qing-jiu,ZHANG Zong-gui.THE EXTRACTION OF HYMAP HYPERSPECTRAL REMOTE SENSING INFORMATION FROM THREE TYPICAL ALTERED MINERALS IN HAMI AREA, XINJIANG[J].Remote Sensing for Land & Resources,2005,16(1):37-40. |
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| Authors: | KAN Ming-zhe TIAN Qing-jiu ZHANG Zong-gui |
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| Institution: | 1.International Institute for Earth System Science, Nanjing University, Nanjing 210093,China; 2.China Aero Geophysical Survey and Remote Sensing Center for Land and Resources, Beijing 100083,China |
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| Abstract: | The study of mineral information reorganization method was carried out by means of the airborne visible light and near infrared and short-wave infrared imaging spectrometry (HyMap) data from Hami area of Xinjiang. By analyzing spectral features of three kinds of familiar altered minerals (calcite, chlorite and muscovite) and using the calibration of the remote sensing data and spectral reflectance retrieval, the authors employed spectral angle mapper (SAM) to extract mineral information from the three kinds of altered minerals. With the mask technique, the mineral distribution maps of calcite, chlorite and muscovite were compiled. In combination with the spectra of spectral libraries, the authors also effectively carried out the verification. |
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| Keywords: | Hymap Hyperspectral remote sensing Altered minerals Information reorganization Spectra |
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