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比值合成和特征主成分选择技术在提取油区信息中的应用
The Application of Band Ratio Compsite And Feature-oriented Principal Component Selection in the Extraction of Oil-gas Signature
【摘要】 根据烃类微渗漏蚀变物质的波谱特性,在TM影像上研究了三种计算机提取油气信息的方法:(1)比值合成法;(2)六波段特征主成分选择→IHS逆变换→彩色合成;(3)四波段特征主成分选择→IHS逆变换→彩色合成。利用这些方法有效地提取了油气信息,取得了较好的实际效果。
【Abstract】 After having fully studied the spectral properties of typical hydrocarbon alternationminerals,and the physical geographical features of a certain oil area in East China,the au-thors present the research of direct oil exploration by extracting hydrocarbon microseepagesignatures with TM data,In this paper,three function-combined image process methodsare introduced,and oil-gas signatures have been successfully extracted with them,whichis also supported by the material of geochemical exploration in the same area.
【关键词】 比值合成;
特征主成分选择;
烃类微渗漏;
信息提取;
【Key words】 Hydrocarbon microseepage; Band ratio composite; Feature-orientedprincipal component selection; Signature extraction;
【Key words】 Hydrocarbon microseepage; Band ratio composite; Feature-orientedprincipal component selection; Signature extraction;
- 【文献出处】 遥感技术与应用 ,REMOTE SENSING TECHNOLOGY AND APPLICATION , 编辑部邮箱 ,1995年03期
- 【分类号】TE19
- 【被引频次】12
- 【下载频次】58