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单词
principal component transformation
释义
principal component transformation
Encyclopedia
工学
遥感图像变换
释
principal component transformation
主分量变换
主成分分析或主分量分析技术。由原始图像数据协方差矩阵的特征值和特征向量建立起来的变换核,将光谱特征空间原始数据向量投影到平行于地物集群椭球体各结构轴的主成分方向,从而突出和保留主要地物类别信息,用来进行图像增强、特征选择和图像压缩的处理方法。
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