核图形嵌入，供大家学习交流，注释有使用说明！-Nuclear embedded graphics for them to learn from the exchange of Notes are used to explain!

从理论上证明了KGE框架内的各种核算法其实质是KPCA+LGE框架内的线性降维算法，并且基于所给出的理论框架提出了一种综合利用零空间和非零空间 鉴别信息的组合方法．-Theoretically proved that the KGE various accounting method within the framework of its essence is the KPCA+ LGE within the framework of linear dimensionality reduc

一系列降维算法，包括LGE,KGE,KLPP,OLEG,KPCA，将高维空间的数据降低的低维，主要用来进行人脸识别以等方面的特征提取,总共5个算法。-isometric projection to feature extraction