利用python 如何在图片中性别人物的识别

#coding=utf-8
#性别识别

import cv2
from keras.models import load_model
import numpy as np
import ChineseText

img = cv2.imread("img/gather.png")
face_classifier = cv2.CascadeClassifier(
  "C:\Python36\Lib\site-packages\opencv-master\data\haarcascades\haarcascade_frontalface_default.xml"
)
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
faces = face_classifier.detectMultiScale(
  gray, scaleFactor=1.2, minNeighbors=3, minSize=(140, 140))

gender_classifier = load_model(
  "classifier/gender_models/simple_CNN.81-0.96.hdf5")
gender_labels = {0: '女', 1: '男'}
color = (255, 255, 255)

for (x, y, w, h) in faces:
  face = img[(y - 60):(y + h + 60), (x - 30):(x + w + 30)]
  face = cv2.resize(face, (48, 48))
  face = np.expand_dims(face, 0)
  face = face / 255.0
  gender_label_arg = np.argmax(gender_classifier.predict(face))
  gender = gender_labels[gender_label_arg]
  cv2.rectangle(img, (x, y), (x + h, y + w), color, 2)
  img = ChineseText.cv2ImgAddText(img, gender, x + h, y, color, 30)

cv2.imshow("Image", img)
cv2.waitKey(0)
cv2.destroyAllWindows()