Methods: Analyzing polymorphics of commercial medicinal materials "Qian-Hu" at different regions by RAPD technique and constructing a clustering tree diagram.
方法：采用RAPD技术对不同产地的商品药材前胡进行多态性分析，并构建聚类树型图。
By means of analyzing kernel clustering algorithm and rough set theory, a novel clustering algorithm, rough kernel k-means clustering algorithm, was proposed for clustering analysis.
通过研究核聚类算法，以及粗糙集，提出了一个新的用于聚类分析的粗糙核聚类方法。
Firstly, according to the clustering character of skin color, the human hand is segmented via building the skin color model by analyzing the characters of common color Spaces.
首先，根据肤色的聚类特征，在对比分析常用彩色空间特性的基础上建立肤色模型，对人手进行分割。
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