通过眨眼频率识别来进行疲劳判断，利用opencv来进行人脸眼部区域的识别-By blink frequency identification to determine the fatigue, for use opencv eye face recognition area

利用opencv图像库编写，应用于利用usb摄像头锁定人眼位置，并捕捉眨眼动作-Opencv image library to write usb camera application is to lock the location of the human eye and capture the blink of an eye movement