用OpenCV的MeanShift函数实现： 先人脸识别，再跟踪人脸。-With MeanShift from OpenCV, first face detecting, then face tracking...

Abstract We present a component-based, trainable system for detecting frontal and near-frontal views of faces in still gray images. The system consists of a two-level hierarchy of Support Vector Machine (SVM) classifiers. On the first level,

人脸检测程,直接编译就可运行，非常全面好懂，初学者的开门钥匙-face detecting best for beginner

detecting face in a fixed img. Java code