通过对图片进行一系列的处理，提取人脸的大致框架，然后通过眼睛、嘴巴的建模，最后得到图片中人脸比较精确的位置。-Through a series of image processing to extract the general fr a mework of the face, and then through the eyes, mouth, modeling, and finally get the picture more precise location of the human fac