| 基于最大噪声分量变换（MNF）和矿物标识的植被区蚀变信息提取 |
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| 引用本文： | 王爱云.基于最大噪声分量变换（MNF）和矿物标识的植被区蚀变信息提取[J].地质与勘探,2011,47(4):710-718. |
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| 作者姓名： | 王爱云 |
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| 作者单位： | 1. 中国地质科学院矿产资源研究所,北京,100037
2. 云南省地质调查局,云南昆明,650051 |
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| 基金项目： | 国家科技支撑课题(编号:2006BAB01A07); 中央公益性科研院所基本科研业务费专项资金项目(编号:K0925)资助 |
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| 摘 要： | 以往常规的遥感找矿的方法是主成分分析和比值方法，在植被发育的区域，利用这些常规方法难以识别矿物蚀变信息。本文提出了一种方法，将已知目标矿物转换为图像像元作为标识谱，利用植被在短波红外是暗目标和最大信噪比MNF变换可以有效的突出信息的前提，可以快速比对提取蚀变信息。以云南中句地区的普朗一红山斑岩成矿带为例，进行绢英岩化和...
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| 关 键 词： | 蚀变 短波红外 MNF 矿物标识 植被 |
| 收稿时间： | 2011/3/13 0:00:00 |
| 修稿时间： | 5/9/2011 12:00:00 AM |
Mapping Mineralogical Alteration Using MNF Transfrom and Mineral in Vegetated Areas |
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| WANG Ai-yun.Mapping Mineralogical Alteration Using MNF Transfrom and Mineral in Vegetated Areas[J].Geology and Prospecting,2011,47(4):710-718. |
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| Authors: | WANG Ai-yun |
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| Institution: | WANG Ai-yun1,WANG An-jian1,LI Li-hui2,(1.Institute of Mineral Resources,China Academy of Geological Sciences,Beijing 100037,2.Yunnan Institute of Geological Survey,Kunming,Yunnan 650051) |
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| Abstract: | Mapping of altered rocks in areas with heavy vegetation is difficult by using principal component analysis and band ratios to remote sensing data,which have been commonly applied to locate hydrothermal alteration zones related to metallic deposits.We propose a method to effectively map altered rocks,which is based on that the reflectance of green vegetation is low in the shortwave infrared portion and maximum signal to noise ratio(MNF) transform can reduce the effect caused by the vetetation.This technique ... |
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| Keywords: | alteration shortwave infrared maximum singal to noise ratio mineral indicator vegetation |
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