The main contributions of the dissertation were as follows: 1. Data pre-processing technologies such as singular points elimination, data densification and radius compensation were studied. 2.
归纳起来，论文主要完成了以下工作：1。研究了异常点的剔除、测量点的增密、半径补偿等数据预处理技术。
The main contributions of the dissertation were as follows: 1. Data pre-processing technologies such as singular points elimination, data densification and radius compensation were studied. 2.
归纳起来，论文主要完成了以下工作：1。研究了异常点的剔除、测量点的增密、半径补偿等数据预处理技术。
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