采用归一化反距离加权插值法计算纠正后像素点的属性值。
The value of output pixels is calculated by the distance inverse weight method.
利用层次分析方法给出了样本指标的权重，进一步引入了加权相似系数和加权距离系数的计算公式。
The weights of sample index are given by analytical hierarchy process, and expressions of weighted similar coefficient and weighted distance coefficient are induced.
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