人脸检测是指对于任意一副给定的图像，采用一定的策略对其进行搜索以确定其中是否含有人脸，如果是则返回一脸的位置、大小和姿态。-Face detection is a means for any one given image, the use of a certain strategy to search for it to determine whether it contains a human face, and if so return look the location, size, a