zbar 条形码识别算法 import time import cv2 import numpy as np import pyzbar.pyzbar as pyzbar from PIL import Image, ImageDraw, ImageFont image = cv2.imread('aaa/3.jpg') t1 = time.time() contours_img = image.copy() contours_img2 = image.copy() ##灰度图 gray = cv2.cvtColor