基于opencv的PCA程序，不是调用opencv的PCA函数，而是利用opencv的读写，根据主成分算法原理而写的！-PCA program based on OpenCV, OpenCV PCA function is not called, but to read and write using OpenCV, based on the algorithm of principal component and write!

用OpenCV实现的人脸识别sift算法程序,主要是C语言写的，调用了一些OpenCV的函数库-OpenCV achieve recognition sift algorithm program is mainly written in C language, called some of the OpenCV library

图像处理中人脸检测代码，并有主函数调用程序，采用Haar特征检测人脸。-Image processing human face detection code, and the main function of the calling program, Haar feature detection face.