今天 平安夜 Python 送你一顶圣诞帽 @微信官方
import cv2
# OpenCV 人脸检测
face_patterns = cv2.CascadeClassifier(
'haarcascade_frontalface_default.xml'
)
sample_image = cv2.imread('img/face2.jpg')
faces = face_patterns.detectMultiScale(
sample_image,
scaleFactor=1.1,
minNeighbors=8,
minSize=(50, 50)
)