基于Python OpenCV的人脸定位(face ,smile,eyes) import cv2 as cv fd = cv.CascadeClassifier('face.xml')#脸部定位器 ed = cv.CascadeClassifier('eye.xml')#眼睛定位器 sd = cv.CascadeClassifier('smile.xml')#笑容定位器 vc = cv.VideoCapture(0)