Python 人脸识别 OpenCV (

import cv2

# 引入人像识别训练库“haarcascade_frontalface_default.xml
face_patterns = cv2.CascadeClassifier(r'D:\opencv-master\data\haarcascades\haarcascade_frontalface_alt.xml')

# 读取图片
image = cv2.imread('C:/Users/x230/Desktop/DSCF9093.JPG')

# 获取识别到的人脸
faces = face_patterns.detectMultiScale(image, scaleFactor=1.1, minNeighbors=4, minSize=(40, 40))

# 将识别到的人脸框出来
for (x, y, w, h) in faces:
    cv2.rectangle(image, (x, y), (x+w, y+h), (0, 255, 0), 2)

# 生成一张新的图片保存识别结果
cv2.imwrite('C:/Users/x230/Desktop/result.png', image)