Bpes是基于特征提取和特征选择的算法，多用于已分类的数据集中的边界数据的检测，对于边界数据中的未分类数据及模糊数据具有很好的检测效果。可适用于分类器的构建。-Bpes is based on the feature extraction and feature selection algorithms, used to have more classification, the data of the boundary of the data set of unclassified data for the boundary data and fuzzy data have very good detection effect.Can be applied to construction of classifier.