人脸检测是人脸识别最重要的一步，它基本上是一个图像分割问题,将图像分为两部分:一个有脸区和另外一个无脸区。人脸检测的好坏影响人脸识别的效果。-Face Detection Face recognition is the most important step, it is basically a problem of image segmentation. the image is divided into two parts : a face and the other a faceless district. Face Detection Face recognition is good or bad influence results.