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需要依赖pyzbar库，依赖zbar库，可搜索安装。
from pyzbar.pyzbar import decode from PIL import Image import os import cv2 import numpy as np def test_image_dir(): for one in os.listdir("./images"): # image=cv2.imread(filepath) image = Image.open("./images/" + one) results = decode(image) info = "{}\t size: {} ".format(one, len(results)) for res in results: info += "{}({}), {}\t".format(res.data, res.type, res.rect) # print("size: {}".format(len(a))) # print(a[0].type, a[0].data, a[0].rect) print(info) """ [ Decoded( data=b'Foramenifera', type='CODE128', rect=Rect(left=37, top=550, width=324, height=76), polygon=[ Point(x=37, y=551), Point(x=37, y=625), Point(x=361, y=626), Point(x=361, y=550) ] ) Decoded( data=b'Rana temporaria', type='CODE128', rect=Rect(left=4, top=0, width=390, height=76), polygon=[ Point(x=4, y=1), Point(x=4, y=75), Point(x=394, y=76), Point(x=394, y=0) ] ) ] """ import requests as req from io import BytesIO import base64 def test_image_url(): all_no = 0 right_no = 0 # 329/393 0.83715 qr_file = "image_urls.txt" # 150 0标签， 其他所有数据 no_qr_file = "not_qr_image_urls.txt" with open(no_qr_file) as f: for line in f: key = line.strip() url = "https://si.geilicdn.com/{}".format(key) resp = req.get(url) image1 = Image.open(BytesIO(resp.content)) results = decode(image1) all_no += 1 if len(results) > 0: right_no += 1 info = "{}\t size: {} ".format(key, len(results)) for res in results: info += "{}({}), {}\t".format(res.data, res.type, res.rect) # print("size: {}".format(len(a))) # print(a[0].type, a[0].data, a[0].rect) print(info) print("{}/{}".format(right_no, all_no)) def test_image_file(): all_no = 0 right_no = 0 key2label = {} with open("./label.result") as f: for line in f: image_key, label = line.strip().split(" ") key2label[image_key] = int(label) fout = open("pyzbar_qr_result.txt", "w") with open("./data.base64") as f: for line in f: try: image_key, itemid, b64str = line.strip().split("\t") image_file = base64.b64decode(b64str) img_array = np.asarray(bytearray(image_file), dtype=np.uint8) image1 = cv2.imdecode(img_array, cv2.IMREAD_COLOR) # image1 = Image.open(BytesIO(image_file)) results = decode(image1) all_no += 1 """ if key2label[image_key] == "13": if len(results) > 0: right_no += 1 else: print("============ {} {}".format(image_key, results)) else: if len(results) == 0: right_no += 1 else: print("============ {} {}".format(image_key, results)) """ info = "{}\t{}\t{}\t".format(image_key, key2label[image_key], len(results)) for res in results: # TODO: 判断 one 的长度大于0, 纯数字也有问题 info += "{},".format(res.data.decode()) # print("size: {}".format(len(a))) # print(a[0].type, a[0].data, a[0].rect) info += "\n" fout.write(info) except Exception as e: print("{} {}".format(line[:100], e)) fout.close() print("{}/{}".format(right_no, all_no)) # test_image_file() def formats(): f1 = "./pyzbar_qr_result.txt" f2 = "./pyzbar_qr_result.txt_2" f2 = open(f2, "w") with open(f1) as f: for line in f: # bj-vshop-422200229-1539101143736-1554816003_984_984.jpg 0 1 b'https://u.wechat.com/ED9hyuR9PJVnPFZIxwSdO9o', datas = line.strip().split("\t") if len(datas) == 3: f2.write(line) elif len(datas) == 4: image_key, label, sizes, data = datas data = data.split(",")[:-1] info = "" for one in data: # TODO: 判断 one 的长度大于0, 纯数字也有问题 info += "{},".format(eval(one).decode()) f2.write("{}\t{}\t{}\t{}\n".format(image_key, label, sizes, info)) else: print("error {}".format(line.strip())) f2.close() def save_diff_images(): mp = {} with open("./see_diff.txt") as f: for line in f: if "all:" in line: continue image_key, label, pyzbar, quirc = line.strip().split("\t") mp[image_key.strip()] = "{}_pyzbar{}_quirc{}".format(label, pyzbar, quirc) with open("./data.base64") as f: for line in f: try: image_key, itemid, b64str = line.strip().split("\t") if image_key in mp: image_file = base64.b64decode(b64str) img_array = np.asarray(bytearray(image_file), dtype=np.uint8) image1 = cv2.imdecode(img_array, cv2.IMREAD_COLOR) cv2.imwrite("./diff_images/{}_{}".format(mp[image_key], image_key), image1) except Exception as e: print("{} {}".format(line[:100], e)) save_diff_images() 文章来源: https://blog.csdn.net/wyBluewind/article/details/90340456