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Mineral contents determination and accuracy evaluation based on classification of petrographic images
Author(s): YE Runqing, NIU Ruiqing, ZHANG Liangpei, YI Shunhua
Pages: 810-
815,822
Year: 2011
Issue:
5
Journal: Journal of China University of Mining & Technology
Keyword: mineral content; accuracy evaluation; petrographic image; Multi-resolution Segmentation;
Abstract: 针对传统矿物含量测定中存在人为误差、缺乏精度评价等问题,提出了基于图像分类的矿物含量测定及精度评价方法,该方法通过统计分类后图像中每种矿物的像元数量测定矿物含量,并采用混淆矩阵评价含量测定精度.根据岩石图像的光谱和纹理特征,提出了两种基本的矿物含量测定方式:1)对于纹理简单、矿物光谱区分度大的岩石图像,采用直接分类方式测定矿物含量,花岗岩手标本照片矿物分类实验表明监督分类效果优于非监督分类,且监督...
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