这是一个opencv 做的人脸表情检测程序，加载图片可以检测出人脸位置，以及 人脸表情。人脸转角不能太大，或者检测不准确。-This is a facial expression do opencv testing procedures, load the image can be detected face position and facial expression. Face the corner not too big, or detection is not accurate.

该程序是基于OPenCV的人脸五官位置的标定识别程序-The calibration procedure is based on the identification procedures OPenCV position of facial features