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内蒙古四子王旗北部地区遥感矿化蚀变信息提取研究

发表时间:2009-11-15  浏览量:1333  下载量:652
全部作者: 芦雪,刘李
作者单位: 中国地质大学(北京)土地科学技术学院
摘 要: 以内蒙古自治区四子王旗北部地区为研究对象,利用Landsat7 ETM+卫星数据,结合该区地质及成矿作用特征,采用“预处理—掩膜—主成分分析—阈值处理”的方法,成功地提取了该区矿化蚀变信息;并对获得的矿化蚀变信息与已知的地质、构造及矿产信息进行了叠加集成,通过对蚀变信息分布特征的分析,评价了提取结果的准确性,为进一步找矿提供了有利的依据。
关 键 词: 遥感地质;矿化蚀变;主成分分析;阈值
Title: The research of information extraction of remote sensing miner alized alteration in the north area of Siziwangqi, Inner Mongolia
Author: LU Xue, LIU Li
Organization: School of Land Science and Technology, China University of Geosciences (Beijing)
Abstract: This paper took the north area of Siziwangqi in Inner Mongolia as study object, combined internal areal geology and mineralization characteristics, and used Landsat7 ETM+ satellite data and pretreatment-mask-principal component analysis (PCA)-threshold treatment method to extract mineralized alteration information. The information of mineralized alteration obtained from ETM+ data and geological and mineral data were integrated. The paper analyzed the alteration information distribution characteristics and evaluated the accuracy of the extraction results, providing a basis for further prospecting.
Key words: remote sensing geology; mineralized alteration; principal component analysis; threshold
发表期数: 2009年11月第21期
引用格式: 芦雪,刘李. 内蒙古四子王旗北部地区遥感矿化蚀变信息提取研究[J]. 中国科技论文在线精品论文,2009,2(21):2323-2328.
 
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