将所以的人脸图像规一化，用灰度投影法定位脸的左右两侧，再用灰度投影大致定位眼睛，根据眼睛的距离进行几何缩放，将人脸规一化。-Willthereforefaceimageofoneofregulation,usinggray-scaleprojectionmethodofpositioningtherightandleftface,andthenmoreorlessgrayprojectorpositioningtheeyes,undertheeyesofthedistancegeometryscaling,willfaceoneofregulation.