| 成像光谱技术在典型蚀变矿物识别和填图中的应用 |
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| 引用本文： | 刘圣伟,甘甫平,闫柏琨,杨苏明 王润生,王青华,唐攀科.成像光谱技术在典型蚀变矿物识别和填图中的应用[J].中国地质,2006,33(1):178-186. |
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| 作者姓名： | 刘圣伟 甘甫平 闫柏琨 杨苏明 王润生 王青华 唐攀科 |
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| 作者单位： | 1. 中国国土资源航空物探遥感中心,北京,100083
2. 中国地质大学,北京,100083 |
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| 基金项目： | 国家科技攻关项目;中国地质调查局地质调查项目;中国科学院资助项目;国土资源部百名优秀青年科技人才计划 |
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| 摘 要： | 成像光谱矿物识别和填图技术是中国国土资源调查和监测重点发展的高新技术之一。笔者以国土资源调查应用为主要目标,研究了成像光谱矿物识别和矿物填图技术实用化中的一些关键技术问题。分析了白云母和绿泥石两种重要蚀变矿物的光谱特征及光谱变异特征;以新疆东天山黄山地区的HyMap数据为例,对目前已较为系统化的成像光谱识别技术(如MNF变换、像元纯度指数PPI和N维可视化端元识别NDVI)在典型蚀变矿物识别和填图中的应用进行介绍。
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| 关 键 词： | 成像光谱 矿物填图 矿物光谱 HyMAP 黄山 |
| 文章编号： | 1000-3657（2006）01-0178-09 |
| 收稿时间： | 2005-03-02 |
| 修稿时间： | 2005-03-022005-09-20 |
Application of the imaging spectroscopic technique in mineral identification and mapping |
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| LIU Sheng-wei,GAN Fu-ping,YAN Bo-kun,YANG Su-ming,WANG Run-sheng,WANG Qing-hu,TANG Pan-ke.Application of the imaging spectroscopic technique in mineral identification and mapping[J].Chinese Geology,2006,33(1):178-186. |
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| Authors: | LIU Sheng-wei GAN Fu-ping YAN Bo-kun YANG Su-ming WANG Run-sheng WANG Qing-hu TANG Pan-ke |
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| Institution: | 1. China Aero Geophysical Survey and Remote Sensing Center for Land and Resources, Beijing 100083, China; 2. China University of Geosciences, Betting 100083, China |
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| Abstract: | The imaging spectroscopic identifying and mapping technique is one of the advanced new techniques that are now mainly developed in land and resource survey and monitoring. The main purpose of this study is to apply this technique in land and resource survey. For this purpose, the authors have studied some key technical problems arising in the utilization of the imaging spectroscopic technique for mineral identifying and mapping. The spectral features and variations of two important alteration minerals-muscovite and chlorite-are analyzed. Taking for example HyMap data from the Huangshan area, East Tianshan Mountains, Xinjiang, this paper introduces the application of some systematized imaging spectroscopic data processing techniques such as MNF trans-formation, pixel purity index (PPI) and n-dimensional visualized identification (NDVI) of endmembers in the identification and mapping of typical alteration minerals. |
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| Keywords: | imaging spectroscopy mineral mapping mineral spectra HyMap Huangshan |
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