Extracting the geophysical information of mining area in Guye, it divides seven categories of the features in the mining area, and used the confusion matrix to analyze the accuracy of the three methods. The results show that the object-oriented multi-scale segmentation method can achieve a total accuracy of 88. 547 0％ without"salt and pepper phenomenon".%以唐山市古冶矿区为对象进行地物信息提取,将矿区地物分为七大类并运用混淆矩阵对三种方法进行精度分析.研究表明:面向对象的多尺度分割方法提取效果,避开了"椒盐现象"分类总精度可达88.547 0％.
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