...集法”亦颇具意思，其将丛集化问题公式化成侦测一个函数Г最佳化部分的问题，并同时将特征空间之群组的散布矩阵(scatter matrix)最小化，即是，他们在此以RBF函数(radial basis function)作为其核心函数。
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©$¨´d 关 键 词 学习子空间; 性能函数; 散布矩阵; 最小描述长度 [gap=728]Key words study subspace; performance function; spread matrix; minimum description
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For those standard face images, regarding the between class scatter matrix as generating matrix, it extracts the algebraic features of face images through K L transform.
该方法对于经过预处理的标准人脸图像，以类间散布矩阵为产生矩阵，通过K-L变换降维并提取人脸图像的代数特征。
参考来源 - 基于K·2,447,543篇论文数据，部分数据来源于NoteExpress
首先根据总体散布矩阵构造无相关投影空间。
First, an uncorrelated projection space is constructed based on the total population scatter matrix.
利用空间变换的有关理论，使得变换后的核总体散布矩阵满足非奇异性；
Firstly space transform method was used to transform initial kernel between class scatter matrix and kernel total scatter matrix, so the kernel total scatter matrix became positive definition.
首先，通过重新定义样本的类内散布矩阵和类间散布矩阵，提出了一种新的零空间法。
First, by redefining the within class scatter matrix and the between class scatter matrix, a new null space method was presented.
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