opencv-face recognition

Some modifications to the code  of https://blog.csdn.net/weixin_46291251/article/details/117996591

import cv2
import numpy as np
import os
import shutil
import threading
import tkinter as tk
from PIL import Image, ImageTk

choice = 0

# 首先读取config文件，第一行代表当前已经储存的人名个数，接下来每一行是（id，name）标签和对应的人名
id_dict = {}  # 字典里存的是id——name键值对
Total_face_num = 999  # 已经被识别有用户名的人脸个数,

camera = cv2.VideoCapture(0)  # 摄像头
success, img = camera.read()  # 从摄像头读取照片
W_size = 0.1 * camera.get(3)
H_size = 0.1 * camera.get(4)



def init():  # 将config文件内的信息读入到字典中
    f = open('config.txt')
    global Total_face_num
    Total_face_num = int(f.readline())

    for i in range(int(Total_face_num)):
        line = f.readline()
        id_name = line.split(' ')