基于类内子空间学习的局部线性嵌入算法

Local linear embedding algorithm based on intra-class subspace learning

为了充分利用样本的类别信息,提取出更加有效的分类特征,提出一种基于类内子空间学习的局部线性嵌入算法。该算法首先获取类内离散矩阵的子空间,然后采用类内子空间构成类间离散矩阵;为了进一步增强算法的性能,使用了结合最大边界准则与局部线性嵌入算法的目标函数。最后在人脸数据库上的实验结果表明,同其他算法相比,ISL/LLE算法具有更好的识别性能。

In order to make full use of the class information of the sample and extract more effective classification features,a local linear embedding algorithm based on intra-class subspace learning is proposed.The algorithm first obtains the subspace of the intra-class discrete matrix,and then uses the intra-class subspace to form the inter-class discrete matrix.To further enhance the performance of the algorithm,the objective function combining the maximum margin criterion and the locally linear embedding is utilized.Finally,the experimental results on the face database show that the ISL/LLE algorithm has better recognition performance than other algorithms.