使用python编写识别条形码时,这一步barcodes = decode(gray),输出是None,求助应该怎么办
import pyzbar.pyzbar as pyzbar
import numpy
from PIL import Image, ImageDraw, ImageFont
import cv2 as cv
frame = cv.imread(“C:/Users/lzx/Desktop/ppic/123.png”)
gray = cv.cvtColor(frame, cv.COLOR_BGR2GRAY)
barcodes = decode(gray)
print(barcodes)
代码如上,进行到barcodes = decode(gray),就无法继续解码了,求解答
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