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遥感技术与应用  2014, Vol. 29 Issue (1): 88-93    DOI: 10.11873/j.issn.1004-0323.2014.1.0088
遥感应用     
地形对蚀变信息光谱影响研究与应用
韩晓静,邢立新,潘军,周彩彩,于一凡,董连英
(吉林大学地球探测科学与技术学院,吉林 长春 130026)
Research and Application of Topographic Influence on Altered Information Spectrum
Han Xiaojing,Xing Lixin,Pan Jun,Zhou Caicai,Yu Yifan,Dong Lianying
(College of Geoexploration Science and Technology,Jilin University,Changchun 130026,China)
 全文: PDF(2625 KB)  
摘要:

通过加入地形因子进行相关光谱信息分区来提取蚀变信息,首先利用ASTER影像立体像对提取DEM,进行地形(坡向)划分,即分为阳坡、半阳坡、半阴坡、阴坡4类型,将相对应的区域统计其波谱信息,分为不同的波谱区,然后分别用主成分分析法提取蚀变信息。结果表明:波谱分区蚀变信息提取方法能够更加有效地识别出各个波谱区的蚀变异常信息,有效减小地形因素对蚀变信息提取结果的影响,并且在研究区得到很好的应用。

关键词: ASTER坡向波谱分区主成分分析法蚀变信息    
Abstract:

Terrain factor is added to correlative spectrum information partition to extract alteration information,firstly using ASTER image stereo pairs extract DEM,and classify study areas by terrain(slope),which is the sunny,semi\|sunny,semi-shade,the shade.The corresponding area is divided into four different spectral region according to its spectrum statistical information.Then using principal component analysis extract alteration information.The results show that the spectral partition alteration information extraction method can be more effective to identify the various spectral region alteration information,and reduce terrain effect on alteration information extraction results effectively,finaly,obtain very good application in the study area.

Key words: ASTER    Aspect    Spectral partition    PCA    Alteration information
收稿日期: 2012-12-03 出版日期: 2014-05-14
:  TP 79  
基金资助:

中热红外多/高光谱矿物填图及遥感异常信息提取技术应用研究(1212010761502)。

作者简介: 韩晓静(1988-),女,山西忻州人,硕士研究生,主要从事遥感与地理信息系统方面的研究。Email:hanxiaojing_1988@163.com。
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引用本文:

韩晓静,邢立新,潘军,周彩彩,于一凡,董连英. 地形对蚀变信息光谱影响研究与应用[J]. 遥感技术与应用, 2014, 29(1): 88-93.

Han Xiaojing,Xing Lixin,Pan Jun,Zhou Caicai,Yu Yifan,Dong Lianying. Research and Application of Topographic Influence on Altered Information Spectrum. Remote Sensing Technology and Application, 2014, 29(1): 88-93.

链接本文:

http://www.rsta.ac.cn/CN/10.11873/j.issn.1004-0323.2014.1.0088        http://www.rsta.ac.cn/CN/Y2014/V29/I1/88

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