Using C + + language of the PCA-SIFT algorithm, can be used for visual odometer feature extraction and matching results with good match

alglib是一套跨平台并且用多语言实现的通用数值计算和数值处理库，例如，其分别用Java、C++、Pascal等分别实现了功能和接口相同的库。系统中包含了矩阵运算、傅立叶变换、PCA、KMean等的实现。-alglib--a numeric and data processing library which is cross platforms and languages.

C语言源程序，PCA人脸识别算法，主要是eig特征分量选取的源程序和欧式空间匹配程序、特征脸提取程序-C language source code, PCA face recognition algorithm, eig characteristic component selected source and match the European space program, eigenface extraction procedures