基于ENVI和GIS的矿物精细化提取与分析  

Refined Extraction and Analysis of Minerals Based on ENVI and GIS

作　　者：李慧敏 王瑞雪[1] 李文超 罗闰豪 LI Huimin;WANG Ruixue;LI Wenchao;LUO Runhao(College of Land and Resources Engineering,Kunming University of Science and Technology,Kunming 650093,China)

机构地区：[1]昆明理工大学国土资源工程学院,云南昆明650093

出　　处：《软件导刊》2024年第3期150-156,共7页Software Guide

基　　金：云南锡业股份有限公司科技计划项目(GF-2021-01);企业基础研究应用基础研究联合专项(202101BC070001003)。

摘　　要：为充分发挥ENVI和GIS等遥感软件在高光谱矿物精细化提取与分析中的作用,以云南个旧老厂矿区及外围为研究区,采用国产GF-5遥感数据,基于ENVI平台采用光谱角匹配法和波谱特征拟合法对研究区的蚀变矿物信息进行精细化提取,基于统计分析软件和GIS平台,对提取的研究区蚀变矿物信息进行数理统计、相关性和地物化遥等综合分析。研究显示,基于国产GF-5数据提取的研究区蚀变异常信息与该区地质和物化探信息吻合较好。研究表明,利用国产GF-5数据,基于ENVI和GIS等软件平台可对研究区蚀变矿物进行精细化提取与分析,为该区传统地质找矿工作提供参考。In order to give full play to the application of remote sensing software such as ENVI and GIS in the fine extraction and analysis of hyperspectral minerals,taking the old factory mining area and its periphery in Gejiu,Yunnan as the research area,the domestic GF-5 remote sensing data are used to extract the altered mineral information in the study area based on ENVI platform by spectral angle matching method and spectral feature fitting method.Based on statistical analysis software and GIS platform,the extracted altered mineral information in the study area is comprehensively analyzed by mathematical statistics,correlation and geophysical and geochemical remote sensing.The study shows that the alteration anomaly information extracted from the domestic GF-5 data is in good agreement with the geological and geophysical and geochemical information in the study area.The research shows that the domestic GF-5 data can be used to extract and analyze the altered minerals in the study area based on ENVI and GIS software platforms,and provide reference for the traditional geological prospecting work in the area.

关 键 词：国产GF-5遥感数据 ENVI 光谱角匹配法 波谱特征拟合法 蚀变矿物信息 GIS 

分 类 号：P627[天文地球—地质矿产勘探]