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遥感技术与应用  2016, Vol. 31 Issue (4): 756-763    DOI: 10.11873/j.issn.1004-0323.2016.4.0756
数据与图像处理     
基于图像模拟的蚀变矿物信息提取技术评价
马斅良1,2,王钦军2,陈玉2
(1.中国地质大学(北京),北京 100083;2.中国科学院遥感与数字地球研究所,北京 100094)
Evaluation of Extraction Technology for Alteration Mineral Information based on Image Simulation
Ma Xiaoliang1,2,Wang Qinjun2,Chen Yu2
(1.China University of Geosciences (Beijing),Beijing 100083,China;
2.The Institute of Remote Sensing and Digital Earth,Chinese Academy
of Sciences,Beijing 100094,China)
 全文: PDF(4572 KB)  
摘要:

针对不同混合背景下蚀变矿物信息提取技术的响应程度这一问题,基于图像模拟,采用比值法(RM)、主成分分析法(PCA)和光谱角匹配法(SAM)3种蚀变矿物信息提取技术针对两种蚀变矿物(羟基、铁染)在模拟野外地物混合背景的情形下进行提取实验,并进行响应程度的定量统计和对比分析。结果表明:无论是纵向(不同算法之间)还是横向(同种算法针对不同种矿物蚀变信息)的算法响应程度均存在差异性,通过寻找响应程度的大致相同区间,可以在彼此间建立联系的纽带。不同的响应程度对应的丰度值能够反映不同算法针对两种蚀变矿物信息所能提取出来的大致混合背景。实验〖JP3〗结果对于在不同混合背景下的合理选取算法及算法提取效果的对比评价等方面都具有实际参考价值。

关键词: 蚀变信息提取图像模拟响应程度混合背景    
Abstract:

In view of the problem of the response of the altered mineral extraction technology in different mixed background,based on the image simulation,this paper used the ratio method,principal component analysis and spectral angle mapper the three commonly used alteration mineral extraction technology for two common alteration minerals (hydroxy,iron staining) extraction experiment in the simulated mixed background,and carried out the statistical analysis of the degree response.The result showed that there were differences in longitudinal (among different algorithms) or horizontal (the same algorithm for different kinds of mineral alteration information) algorithm response,but this study can establish a link between them through the same degree of response range,and the corresponding abundance values of the different degrees of algorithm response can reflect the general mixed background of different algorithms for the two kinds of altered mineral information.The research results provide practical reference value for the reasonable selection of the algorithm and the comparison of the results of the algorithm in different mixed background.
 

Key words: Alteration    Information extraction    Image simulation    The degree of response    Mixed background
收稿日期: 2015-10-12 出版日期: 2016-10-14
:  TP 75  
基金资助:

国家科技支撑计划项目(2012BAC16B01),国家自然科学基金项目(41171280),中国科学院“西部之光人才培养计划”项目(Y32301101A)。

通讯作者: 陈玉(1983-),男,江苏徐州人,助理研究员,主要从事灾害遥感、资源环境遥感研究。Email:yuchen@ceode.ac.cn。    
作者简介: 马斅良(1989-),男,山西朔州人,硕士研究生,主要从事遥感找矿基础研究。Email:maxiaoliang1989120@126.com。
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引用本文:

马斅良,王钦军,陈玉. 基于图像模拟的蚀变矿物信息提取技术评价[J]. 遥感技术与应用, 2016, 31(4): 756-763.

Ma Xiaoliang,Wang Qinjun,Chen Yu. Evaluation of Extraction Technology for Alteration Mineral Information based on Image Simulation. Remote Sensing Technology and Application, 2016, 31(4): 756-763.

链接本文:

http://www.rsta.ac.cn/CN/10.11873/j.issn.1004-0323.2016.4.0756        http://www.rsta.ac.cn/CN/Y2016/V31/I4/756

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