{"id":1104463,"date":"2025-01-08T16:20:51","date_gmt":"2025-01-08T08:20:51","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1104463.html"},"modified":"2025-01-08T16:20:55","modified_gmt":"2025-01-08T08:20:55","slug":"python%e5%a6%82%e4%bd%95%e8%af%bb%e5%8f%96%e4%ba%8c%e7%bb%b4%e7%a0%81%e4%bf%a1%e6%81%af","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1104463.html","title":{"rendered":"python\u5982\u4f55\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f"},"content":{"rendered":"

\"python\u5982\u4f55\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\"<\/p>\n

Python \u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u4e3b\u8981\u5305\u62ec\u4f7f\u7528 pyzbar \u5e93\u3001opencv \u5e93\u3001\u4ee5\u53ca zxing \u5e93\u6765\u5b9e\u73b0\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u8bb2\u89e3\u5982\u4f55\u4f7f\u7528\u8fd9\u51e0\u79cd\u65b9\u6cd5\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\uff0c\u5e76\u8be6\u7ec6\u4ecb\u7ecd pyzbar \u5e93\u7684\u4f7f\u7528\u3002<\/strong><\/p>\n<\/p>\n

\u4e00\u3001PYZBAR \u5e93<\/p>\n<\/p>\n

Pyzbar \u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u5e93\uff0c\u4e13\u95e8\u7528\u4e8e\u89e3\u6790\u548c\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4ee5\u53ca\u6761\u5f62\u7801\u3002\u5b83\u662f\u57fa\u4e8e ZBar \u4e8c\u7ef4\u7801\u626b\u63cf\u5e93\u7684 Python \u5c01\u88c5\u3002\u4f7f\u7528 Pyzbar \u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\u975e\u5e38\u7b80\u5355\uff0c\u4e0b\u9762\u662f\u5177\u4f53\u64cd\u4f5c\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n

1\u3001\u5b89\u88c5 pyzbar \u5e93\u548c\u76f8\u5173\u4f9d\u8d56<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5 pyzbar \u5e93\u3001opencv-python \u5e93\u4ee5\u53ca Pillow \u5e93\uff0c\u8fd9\u4e9b\u5e93\u53ef\u4ee5\u901a\u8fc7 pip \u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n

pip install pyzbar opencv-python Pillow<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684 Python \u811a\u672c\u6765\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\uff1a<\/p>\n<\/p>\n
from pyzbar.pyzbar import decode<\/p>\n
from PIL import Image<\/p>\n
\u6253\u5f00\u4e8c\u7ef4\u7801\u56fe\u7247<\/strong><\/h2>\n
image = Image.open('qrcode.png')<\/p>\n
\u4f7f\u7528 pyzbar \u89e3\u7801\u4e8c\u7ef4\u7801\u4fe1\u606f<\/strong><\/h2>\n
decoded_objects = decode(image)<\/p>\n
\u6253\u5370\u89e3\u7801\u7ed3\u679c<\/strong><\/h2>\n
for obj in decoded_objects:<\/p>\n
    print("Type:", obj.type)<\/p>\n
    print("Data:", obj.data.decode('utf-8'))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528 Pillow \u5e93\u6253\u5f00\u4e8c\u7ef4\u7801\u56fe\u7247\uff0c\u7136\u540e\u4f7f\u7528 pyzbar \u7684 decode \u51fd\u6570\u89e3\u7801\u56fe\u7247\u4e2d\u7684\u4e8c\u7ef4\u7801\u4fe1\u606f\u3002\u89e3\u7801\u7ed3\u679c\u4f1a\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u5bf9\u8c61\u7684\u5217\u8868\uff0c\u6bcf\u4e2a\u5bf9\u8c61\u4ee3\u8868\u4e00\u4e2a\u4e8c\u7ef4\u7801\u6216\u6761\u5f62\u7801\u3002\u6211\u4eec\u53ef\u4ee5\u4ece\u5bf9\u8c61\u4e2d\u83b7\u53d6\u4e8c\u7ef4\u7801\u7c7b\u578b\u548c\u6570\u636e\uff0c\u5e76\u5c06\u6570\u636e\u89e3\u7801\u4e3a\u5b57\u7b26\u4e32\u683c\u5f0f\u8fdb\u884c\u6253\u5370\u3002<\/strong><\/p>\n<\/p>\n
\u4e8c\u3001OPENCV \u5e93<\/p>\n<\/p>\n
OpenCV\uff08Open Source Computer Vision Library\uff09\u662f\u4e00\u4e2a\u5f00\u6e90\u8ba1\u7b97\u673a\u89c6\u89c9\u548c\u673a\u5668\u5b66\u4e60<\/a>\u8f6f\u4ef6\u5e93\u3002\u5b83\u5305\u542b\u4e86\u8bb8\u591a\u5f3a\u5927\u7684\u56fe\u50cf\u5904\u7406\u548c\u8ba1\u7b97\u673a\u89c6\u89c9\u51fd\u6570\u3002\u4f7f\u7528 OpenCV \u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
1\u3001\u5b89\u88c5 opencv-python \u5e93<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5 opencv-python \u5e93\uff1a<\/p>\n<\/p>\n
pip install opencv-python<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684 Python \u811a\u672c\u6765\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\uff1a<\/p>\n<\/p>\n
import cv2<\/p>\n
\u6253\u5f00\u4e8c\u7ef4\u7801\u56fe\u7247<\/strong><\/h2>\n
image = cv2.imread('qrcode.png')<\/p>\n
\u521d\u59cb\u5316\u4e8c\u7ef4\u7801\u68c0\u6d4b\u5668<\/strong><\/h2>\n
detector = cv2.QRCodeDetector()<\/p>\n
\u68c0\u6d4b\u5e76\u89e3\u7801\u4e8c\u7ef4\u7801\u4fe1\u606f<\/strong><\/h2>\n
data, bbox, _ = detector.detectAndDecode(image)<\/p>\n
\u6253\u5370\u89e3\u7801\u7ed3\u679c<\/strong><\/h2>\n
if data:<\/p>\n
    print("Data:", data)<\/p>\n
else:<\/p>\n
    print("QR Code not detected")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528 OpenCV \u5e93\u8bfb\u53d6\u4e8c\u7ef4\u7801\u56fe\u7247\uff0c\u7136\u540e\u521d\u59cb\u5316\u4e00\u4e2a QRCodeDetector \u5bf9\u8c61\u3002\u4f7f\u7528 detectAndDecode \u65b9\u6cd5\u68c0\u6d4b\u5e76\u89e3\u7801\u4e8c\u7ef4\u7801\u4fe1\u606f\uff0c\u5982\u679c\u68c0\u6d4b\u5230\u4e8c\u7ef4\u7801\u5219\u8fd4\u56de\u6570\u636e\uff0c\u5426\u5219\u63d0\u793a\u672a\u68c0\u6d4b\u5230\u4e8c\u7ef4\u7801\u3002<\/strong><\/p>\n<\/p>\n
\u4e09\u3001ZXING \u5e93<\/p>\n<\/p>\n
ZXing\uff08Zebra Crossing\uff09\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u591a\u683c\u5f0f\u4e00\u7ef4\/\u4e8c\u7ef4\u6761\u7801\u56fe\u50cf\u5904\u7406\u5e93\u3002\u4f7f\u7528 ZXing \u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
1\u3001\u5b89\u88c5 zxing \u5e93<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5 zxing \u5e93\uff1a<\/p>\n<\/p>\n
pip install pyzxing<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684 Python \u811a\u672c\u6765\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\uff1a<\/p>\n<\/p>\n
from pyzxing import BarCodeReader<\/p>\n
\u521d\u59cb\u5316\u6761\u7801\u9605\u8bfb\u5668<\/strong><\/h2>\n
reader = BarCodeReader()<\/p>\n
\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f<\/strong><\/h2>\n
barcode = reader.decode('qrcode.png')<\/p>\n
\u6253\u5370\u89e3\u7801\u7ed3\u679c<\/strong><\/h2>\n
if barcode:<\/p>\n
    print("Data:", barcode['parsed'])<\/p>\n
else:<\/p>\n
    print("QR Code not detected")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528 pyzxing \u5e93\u521d\u59cb\u5316\u4e00\u4e2a BarCodeReader \u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528 decode \u65b9\u6cd5\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\u3002\u5982\u679c\u68c0\u6d4b\u5230\u4e8c\u7ef4\u7801\u5219\u8fd4\u56de\u6570\u636e\uff0c\u5426\u5219\u63d0\u793a\u672a\u68c0\u6d4b\u5230\u4e8c\u7ef4\u7801\u3002<\/strong><\/p>\n<\/p>\n
\u56db\u3001\u603b\u7ed3<\/p>\n<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u4e09\u79cd\u65b9\u6cd5\uff0cPython \u53ef\u4ee5\u8f7b\u677e\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u5b8c\u6210\u4e8c\u7ef4\u7801\u8bfb\u53d6\u4efb\u52a1\u3002Pyzbar \u5e93\u9002\u7528\u4e8e\u5927\u591a\u6570\u4e8c\u7ef4\u7801\u8bfb\u53d6\u573a\u666f\uff0cOpenCV \u5e93\u529f\u80fd\u5f3a\u5927\u4e14\u652f\u6301\u591a\u79cd\u56fe\u50cf\u5904\u7406\u64cd\u4f5c\uff0cZXing \u5e93\u5219\u9002\u7528\u4e8e\u9700\u8981\u5904\u7406\u591a\u79cd\u6761\u7801\u683c\u5f0f\u7684\u573a\u666f\u3002\u5e0c\u671b\u672c\u6587\u80fd\u591f\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\u3002<\/strong><\/p>\n<\/p>\n
\u65e0\u8bba\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\uff0c\u90fd\u9700\u8981\u6ce8\u610f\u4e8c\u7ef4\u7801\u56fe\u7247\u7684\u8d28\u91cf\u548c\u6e05\u6670\u5ea6\u3002\u9ad8\u8d28\u91cf\u7684\u4e8c\u7ef4\u7801\u56fe\u7247\u53ef\u4ee5\u63d0\u9ad8\u8bc6\u522b\u7387\u548c\u89e3\u7801\u901f\u5ea6\u3002\u5982\u679c\u9047\u5230\u8bc6\u522b\u7387\u4f4e\u6216\u65e0\u6cd5\u8bc6\u522b\u7684\u95ee\u9898\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u8c03\u6574\u56fe\u7247\u7684\u5206\u8fa8\u7387\u3001\u5bf9\u6bd4\u5ea6\u548c\u4eae\u5ea6\u7b49\u53c2\u6570\uff0c\u4ee5\u63d0\u9ad8\u4e8c\u7ef4\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/strong><\/p>\n<\/p>\n
\u4e94\u3001PYZBAR \u5e93\u8be6\u7ec6\u4f7f\u7528\u4ecb\u7ecd<\/p>\n<\/p>\n
Pyzbar \u5e93\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u4e8c\u7ef4\u7801\u548c\u6761\u5f62\u7801\u89e3\u7801\u5de5\u5177\uff0c\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5176\u4f7f\u7528\u65b9\u6cd5\u548c\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<\/p>\n
1\u3001\u5b89\u88c5 pyzbar \u5e93\u548c\u76f8\u5173\u4f9d\u8d56<\/p>\n<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5 pyzbar \u5e93\u3001opencv-python \u5e93\u4ee5\u53ca Pillow \u5e93\uff0c\u8fd9\u4e9b\u5e93\u53ef\u4ee5\u901a\u8fc7 pip \u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n
pip install pyzbar opencv-python Pillow<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f<\/p>\n<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684 Python \u811a\u672c\u6765\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\uff1a<\/p>\n<\/p>\n
from pyzbar.pyzbar import decode<\/p>\n
from PIL import Image<\/p>\n
\u6253\u5f00\u4e8c\u7ef4\u7801\u56fe\u7247<\/strong><\/h2>\n
image = Image.open('qrcode.png')<\/p>\n
\u4f7f\u7528 pyzbar \u89e3\u7801\u4e8c\u7ef4\u7801\u4fe1\u606f<\/strong><\/h2>\n
decoded_objects = decode(image)<\/p>\n
\u6253\u5370\u89e3\u7801\u7ed3\u679c<\/strong><\/h2>\n
for obj in decoded_objects:<\/p>\n
    print("Type:", obj.type)<\/p>\n
    print("Data:", obj.data.decode('utf-8'))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528 Pillow \u5e93\u6253\u5f00\u4e8c\u7ef4\u7801\u56fe\u7247\uff0c\u7136\u540e\u4f7f\u7528 pyzbar \u7684 decode \u51fd\u6570\u89e3\u7801\u56fe\u7247\u4e2d\u7684\u4e8c\u7ef4\u7801\u4fe1\u606f\u3002\u89e3\u7801\u7ed3\u679c\u4f1a\u8fd4\u56de\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u5bf9\u8c61\u7684\u5217\u8868\uff0c\u6bcf\u4e2a\u5bf9\u8c61\u4ee3\u8868\u4e00\u4e2a\u4e8c\u7ef4\u7801\u6216\u6761\u5f62\u7801\u3002\u6211\u4eec\u53ef\u4ee5\u4ece\u5bf9\u8c61\u4e2d\u83b7\u53d6\u4e8c\u7ef4\u7801\u7c7b\u578b\u548c\u6570\u636e\uff0c\u5e76\u5c06\u6570\u636e\u89e3\u7801\u4e3a\u5b57\u7b26\u4e32\u683c\u5f0f\u8fdb\u884c\u6253\u5370\u3002<\/p>\n<\/p>\n
3\u3001\u8bfb\u53d6\u6761\u5f62\u7801\u4fe1\u606f<\/p>\n<\/p>\n
Pyzbar \u5e93\u4e0d\u4ec5\u53ef\u4ee5\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\uff0c\u8fd8\u53ef\u4ee5\u8bfb\u53d6\u6761\u5f62\u7801\u4fe1\u606f\u3002\u6211\u4eec\u53ea\u9700\u8981\u5c06\u4e8c\u7ef4\u7801\u56fe\u7247\u66ff\u6362\u4e3a\u6761\u5f62\u7801\u56fe\u7247\uff0c\u4ee3\u7801\u57fa\u672c\u4fdd\u6301\u4e0d\u53d8\uff1a<\/p>\n<\/p>\n
from pyzbar.pyzbar import decode<\/p>\n
from PIL import Image<\/p>\n
\u6253\u5f00\u6761\u5f62\u7801\u56fe\u7247<\/strong><\/h2>\n
image = Image.open('barcode.png')<\/p>\n
\u4f7f\u7528 pyzbar \u89e3\u7801\u6761\u5f62\u7801\u4fe1\u606f<\/strong><\/h2>\n
decoded_objects = decode(image)<\/p>\n
\u6253\u5370\u89e3\u7801\u7ed3\u679c<\/strong><\/h2>\n
for obj in decoded_objects:<\/p>\n
    print("Type:", obj.type)<\/p>\n
    print("Data:", obj.data.decode('utf-8'))<\/p>\n
<\/code><\/pre>\n<\/p>\n
4\u3001\u5904\u7406\u591a\u79cd\u683c\u5f0f\u7684\u4e8c\u7ef4\u7801\u548c\u6761\u5f62\u7801<\/p>\n<\/p>\n
Pyzbar \u5e93\u652f\u6301\u591a\u79cd\u683c\u5f0f\u7684\u4e8c\u7ef4\u7801\u548c\u6761\u5f62\u7801\uff0c\u5305\u62ec QR Code\u3001EAN-13\u3001UPC-A\u3001Code 128 \u7b49\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u540c\u6837\u7684\u65b9\u6cd5\u8bfb\u53d6\u4e0d\u540c\u683c\u5f0f\u7684\u4e8c\u7ef4\u7801\u548c\u6761\u5f62\u7801\u4fe1\u606f\uff1a<\/p>\n<\/p>\n
from pyzbar.pyzbar import decode<\/p>\n
from PIL import Image<\/p>\n
\u6253\u5f00\u56fe\u7247<\/strong><\/h2>\n
image = Image.open('multiformat.png')<\/p>\n
\u4f7f\u7528 pyzbar \u89e3\u7801\u56fe\u7247\u4e2d\u7684\u4e8c\u7ef4\u7801\u548c\u6761\u5f62\u7801\u4fe1\u606f<\/strong><\/h2>\n
decoded_objects = decode(image)<\/p>\n
\u6253\u5370\u89e3\u7801\u7ed3\u679c<\/strong><\/h2>\n
for obj in decoded_objects:<\/p>\n
    print("Type:", obj.type)<\/p>\n
    print("Data:", obj.data.decode('utf-8'))<\/p>\n
<\/code><\/pre>\n<\/p>\n
5\u3001\u5904\u7406\u65cb\u8f6c\u6216\u53d8\u5f62\u7684\u4e8c\u7ef4\u7801<\/p>\n<\/p>\n
\u6709\u65f6\u5019\u6211\u4eec\u9047\u5230\u7684\u4e8c\u7ef4\u7801\u53ef\u80fd\u662f\u65cb\u8f6c\u6216\u53d8\u5f62\u7684\uff0c\u8fd9\u4f1a\u5f71\u54cd\u8bc6\u522b\u6548\u679c\u3002Pyzbar \u5e93\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u53ef\u4ee5\u5904\u7406\u8fd9\u79cd\u60c5\u51b5\uff0c\u4f46\u4e3a\u4e86\u63d0\u9ad8\u8bc6\u522b\u7387\uff0c\u6211\u4eec\u53ef\u4ee5\u5bf9\u56fe\u7247\u8fdb\u884c\u9884\u5904\u7406\uff1a<\/p>\n<\/p>\n
from pyzbar.pyzbar import decode<\/p>\n
from PIL import Image, ImageEnhance<\/p>\n
\u6253\u5f00\u56fe\u7247<\/strong><\/h2>\n
image = Image.open('rotated_qrcode.png')<\/p>\n
\u8c03\u6574\u56fe\u7247\u4eae\u5ea6\u548c\u5bf9\u6bd4\u5ea6<\/strong><\/h2>\n
enhancer = ImageEnhance.Contrast(image)<\/p>\n
image = enhancer.enhance(2.0)<\/p>\n
\u4f7f\u7528 pyzbar \u89e3\u7801\u4e8c\u7ef4\u7801\u4fe1\u606f<\/strong><\/h2>\n
decoded_objects = decode(image)<\/p>\n
\u6253\u5370\u89e3\u7801\u7ed3\u679c<\/strong><\/h2>\n
for obj in decoded_objects:<\/p>\n
    print("Type:", obj.type)<\/p>\n
    print("Data:", obj.data.decode('utf-8'))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86 Pillow \u5e93\u7684 ImageEnhance \u6a21\u5757\u5bf9\u56fe\u7247\u7684\u5bf9\u6bd4\u5ea6\u8fdb\u884c\u4e86\u8c03\u6574\uff0c\u4ee5\u63d0\u9ad8\u4e8c\u7ef4\u7801\u7684\u53ef\u8bfb\u6027\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u63d0\u9ad8\u65cb\u8f6c\u6216\u53d8\u5f62\u4e8c\u7ef4\u7801\u7684\u8bc6\u522b\u7387\u3002<\/p>\n<\/p>\n
\u516d\u3001OPENCV \u5e93\u8be6\u7ec6\u4f7f\u7528\u4ecb\u7ecd<\/p>\n<\/p>\n
OpenCV \u5e93\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u56fe\u50cf\u5904\u7406\u548c\u8ba1\u7b97\u673a\u89c6\u89c9\u5e93\uff0c\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5176\u4f7f\u7528\u65b9\u6cd5\u548c\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<\/p>\n
1\u3001\u5b89\u88c5 opencv-python \u5e93<\/p>\n<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5 opencv-python \u5e93\uff1a<\/p>\n<\/p>\n
pip install opencv-python<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f<\/p>\n<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684 Python \u811a\u672c\u6765\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\uff1a<\/p>\n<\/p>\n
import cv2<\/p>\n
\u6253\u5f00\u4e8c\u7ef4\u7801\u56fe\u7247<\/strong><\/h2>\n
image = cv2.imread('qrcode.png')<\/p>\n
\u521d\u59cb\u5316\u4e8c\u7ef4\u7801\u68c0\u6d4b\u5668<\/strong><\/h2>\n
detector = cv2.QRCodeDetector()<\/p>\n
\u68c0\u6d4b\u5e76\u89e3\u7801\u4e8c\u7ef4\u7801\u4fe1\u606f<\/strong><\/h2>\n
data, bbox, _ = detector.detectAndDecode(image)<\/p>\n
\u6253\u5370\u89e3\u7801\u7ed3\u679c<\/strong><\/h2>\n
if data:<\/p>\n
    print("Data:", data)<\/p>\n
else:<\/p>\n
    print("QR Code not detected")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528 OpenCV \u5e93\u8bfb\u53d6\u4e8c\u7ef4\u7801\u56fe\u7247\uff0c\u7136\u540e\u521d\u59cb\u5316\u4e00\u4e2a QRCodeDetector \u5bf9\u8c61\u3002\u4f7f\u7528 detectAndDecode \u65b9\u6cd5\u68c0\u6d4b\u5e76\u89e3\u7801\u4e8c\u7ef4\u7801\u4fe1\u606f\uff0c\u5982\u679c\u68c0\u6d4b\u5230\u4e8c\u7ef4\u7801\u5219\u8fd4\u56de\u6570\u636e\uff0c\u5426\u5219\u63d0\u793a\u672a\u68c0\u6d4b\u5230\u4e8c\u7ef4\u7801\u3002<\/p>\n<\/p>\n
3\u3001\u8bfb\u53d6\u6761\u5f62\u7801\u4fe1\u606f<\/p>\n<\/p>\n
OpenCV \u5e93\u4e5f\u53ef\u4ee5\u8bfb\u53d6\u6761\u5f62\u7801\u4fe1\u606f\uff0c\u4f46\u9700\u8981\u4e00\u4e9b\u989d\u5916\u7684\u5904\u7406\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 cv2.findContours \u65b9\u6cd5\u68c0\u6d4b\u6761\u5f62\u7801\u7684\u8fb9\u754c\uff0c\u7136\u540e\u4f7f\u7528 cv2.boundingRect \u65b9\u6cd5\u63d0\u53d6\u6761\u5f62\u7801\u533a\u57df\uff1a<\/p>\n<\/p>\n
import cv2<\/p>\n
\u6253\u5f00\u6761\u5f62\u7801\u56fe\u7247<\/strong><\/h2>\n
image = cv2.imread('barcode.png')<\/p>\n
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)<\/p>\n
blur = cv2.GaussianBlur(gray, (3, 3), 0)<\/p>\n
edges = cv2.Canny(blur, 50, 150)<\/p>\n
\u68c0\u6d4b\u6761\u5f62\u7801\u8fb9\u754c<\/strong><\/h2>\n
contours, _ = cv2.findContours(edges, cv2.RETR_EXTERNAL, cv2.CHAI<\/a>N_APPROX_SIMPLE)<\/p>\n
for contour in contours:<\/p>\n
    x, y, w, h = cv2.boundingRect(contour)<\/p>\n
    barcode = image[y:y + h, x:x + w]<\/p>\n
    cv2.imshow("Barcode", barcode)<\/p>\n
    cv2.waitKey(0)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5c06\u56fe\u7247\u8f6c\u6362\u4e3a\u7070\u5ea6\u56fe\u50cf\uff0c\u7136\u540e\u4f7f\u7528\u9ad8\u65af\u6a21\u7cca\u548c Canny \u8fb9\u7f18\u68c0\u6d4b\u65b9\u6cd5\u68c0\u6d4b\u6761\u5f62\u7801\u7684\u8fb9\u754c\u3002\u63a5\u7740\uff0c\u6211\u4eec\u4f7f\u7528 cv2.findContours \u65b9\u6cd5\u68c0\u6d4b\u6761\u5f62\u7801\u7684\u8f6e\u5ed3\uff0c\u5e76\u4f7f\u7528 cv2.boundingRect \u65b9\u6cd5\u63d0\u53d6\u6761\u5f62\u7801\u533a\u57df\u3002<\/p>\n<\/p>\n
4\u3001\u5904\u7406\u65cb\u8f6c\u6216\u53d8\u5f62\u7684\u4e8c\u7ef4\u7801<\/p>\n<\/p>\n
\u6709\u65f6\u5019\u6211\u4eec\u9047\u5230\u7684\u4e8c\u7ef4\u7801\u53ef\u80fd\u662f\u65cb\u8f6c\u6216\u53d8\u5f62\u7684\uff0c\u8fd9\u4f1a\u5f71\u54cd\u8bc6\u522b\u6548\u679c\u3002OpenCV \u5e93\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u53ef\u4ee5\u5904\u7406\u8fd9\u79cd\u60c5\u51b5\uff0c\u4f46\u4e3a\u4e86\u63d0\u9ad8\u8bc6\u522b\u7387\uff0c\u6211\u4eec\u53ef\u4ee5\u5bf9\u56fe\u7247\u8fdb\u884c\u9884\u5904\u7406\uff1a<\/p>\n<\/p>\n
import cv2<\/p>\n
\u6253\u5f00\u56fe\u7247<\/strong><\/h2>\n
image = cv2.imread('rotated_qrcode.png')<\/p>\n
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)<\/p>\n
blur = cv2.GaussianBlur(gray, (3, 3), 0)<\/p>\n
edges = cv2.Canny(blur, 50, 150)<\/p>\n
\u68c0\u6d4b\u4e8c\u7ef4\u7801\u8fb9\u754c<\/strong><\/h2>\n
contours, _ = cv2.findContours(edges, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)<\/p>\n
for contour in contours:<\/p>\n
    rect = cv2.minAreaRect(contour)<\/p>\n
    box = cv2.boxPoints(rect)<\/p>\n
    box = np.int0(box)<\/p>\n
    cv2.drawContours(image, [box], 0, (0, 0, 255), 2)<\/p>\n
cv2.imshow("Detected QR Code", image)<\/p>\n
cv2.waitKey(0)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86 cv2.minAreaRect \u65b9\u6cd5\u68c0\u6d4b\u4e8c\u7ef4\u7801\u7684\u6700\u5c0f\u5916\u63a5\u77e9\u5f62\uff0c\u5e76\u4f7f\u7528 cv2.boxPoints \u65b9\u6cd5\u83b7\u53d6\u77e9\u5f62\u7684\u9876\u70b9\u5750\u6807\u3002\u63a5\u7740\uff0c\u6211\u4eec\u4f7f\u7528 cv2.drawContours \u65b9\u6cd5\u7ed8\u5236\u4e8c\u7ef4\u7801\u7684\u8fb9\u754c\u3002<\/p>\n<\/p>\n
\u4e03\u3001ZXING \u5e93\u8be6\u7ec6\u4f7f\u7528\u4ecb\u7ecd<\/p>\n<\/p>\n
ZXing \u5e93\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u591a\u683c\u5f0f\u4e00\u7ef4\/\u4e8c\u7ef4\u6761\u7801\u56fe\u50cf\u5904\u7406\u5e93\uff0c\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5176\u4f7f\u7528\u65b9\u6cd5\u548c\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<\/p>\n
1\u3001\u5b89\u88c5 zxing \u5e93<\/p>\n<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5 zxing \u5e93\uff1a<\/p>\n<\/p>\n
pip install pyzxing<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f<\/p>\n<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684 Python \u811a\u672c\u6765\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\uff1a<\/p>\n<\/p>\n
from pyzxing import BarCodeReader<\/p>\n
\u521d\u59cb\u5316\u6761\u7801\u9605\u8bfb\u5668<\/strong><\/h2>\n
reader = BarCodeReader()<\/p>\n
\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f<\/strong><\/h2>\n
barcode = reader.decode('qrcode.png')<\/p>\n
\u6253\u5370\u89e3\u7801\u7ed3\u679c<\/strong><\/h2>\n
if barcode:<\/p>\n
    print("Data:", barcode['parsed'])<\/p>\n
else:<\/p>\n
    print("QR Code not detected")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528 pyzxing \u5e93\u521d\u59cb\u5316\u4e00\u4e2a BarCodeReader \u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528 decode \u65b9\u6cd5\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\u3002\u5982\u679c\u68c0\u6d4b\u5230\u4e8c\u7ef4\u7801\u5219\u8fd4\u56de\u6570\u636e\uff0c\u5426\u5219\u63d0\u793a\u672a\u68c0\u6d4b\u5230\u4e8c\u7ef4\u7801\u3002<\/p>\n<\/p>\n
3\u3001\u8bfb\u53d6\u6761\u5f62\u7801\u4fe1\u606f<\/p>\n<\/p>\n
ZXing \u5e93\u4e5f\u53ef\u4ee5\u8bfb\u53d6\u6761\u5f62\u7801\u4fe1\u606f\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5c06\u4e8c\u7ef4\u7801\u56fe\u7247\u66ff\u6362\u4e3a\u6761\u5f62\u7801\u56fe\u7247\uff0c\u4ee3\u7801\u57fa\u672c\u4fdd\u6301\u4e0d\u53d8\uff1a<\/p>\n<\/p>\n
from pyzxing import BarCodeReader<\/p>\n
\u521d\u59cb\u5316\u6761\u7801\u9605\u8bfb\u5668<\/strong><\/h2>\n
reader = BarCodeReader()<\/p>\n
\u8bfb\u53d6\u6761\u5f62\u7801\u4fe1\u606f<\/strong><\/h2>\n
barcode = reader.decode('barcode.png')<\/p>\n
\u6253\u5370\u89e3\u7801\u7ed3\u679c<\/strong><\/h2>\n
if barcode:<\/p>\n
    print("Data:", barcode['parsed'])<\/p>\n
else:<\/p>\n
    print("Barcode not detected")<\/p>\n
<\/code><\/pre>\n<\/p>\n
4\u3001\u5904\u7406\u591a\u79cd\u683c\u5f0f\u7684\u4e8c\u7ef4\u7801\u548c\u6761\u5f62\u7801<\/p>\n<\/p>\n
ZXing \u5e93\u652f\u6301\u591a\u79cd\u683c\u5f0f\u7684\u4e8c\u7ef4\u7801\u548c\u6761\u5f62\u7801\uff0c\u5305\u62ec QR Code\u3001EAN-13\u3001UPC-A\u3001Code 128 \u7b49\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u540c\u6837\u7684\u65b9\u6cd5\u8bfb\u53d6\u4e0d\u540c\u683c\u5f0f\u7684\u4e8c\u7ef4\u7801\u548c\u6761\u5f62\u7801\u4fe1\u606f\uff1a<\/p>\n<\/p>\n
from pyzxing import BarCodeReader<\/p>\n
\u521d\u59cb\u5316\u6761\u7801\u9605\u8bfb\u5668<\/strong><\/h2>\n
reader = BarCodeReader()<\/p>\n
\u8bfb\u53d6\u591a\u79cd\u683c\u5f0f\u7684\u4e8c\u7ef4\u7801\u548c\u6761\u5f62\u7801\u4fe1\u606f<\/strong><\/h2>\n
barcode = reader.decode('multiformat.png')<\/p>\n
\u6253\u5370\u89e3\u7801\u7ed3\u679c<\/strong><\/h2>\n
if barcode:<\/p>\n
    print("Data:", barcode['parsed'])<\/p>\n
else:<\/p>\n
    print("Code not detected")<\/p>\n
<\/code><\/pre>\n<\/p>\n
5\u3001\u5904\u7406\u65cb\u8f6c\u6216\u53d8\u5f62\u7684\u4e8c\u7ef4\u7801<\/p>\n<\/p>\n
\u6709\u65f6\u5019\u6211\u4eec\u9047\u5230\u7684\u4e8c\u7ef4\u7801\u53ef\u80fd\u662f\u65cb\u8f6c\u6216\u53d8\u5f62\u7684\uff0c\u8fd9\u4f1a\u5f71\u54cd\u8bc6\u522b\u6548\u679c\u3002ZXing \u5e93\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u53ef\u4ee5\u5904\u7406\u8fd9\u79cd\u60c5\u51b5\uff0c\u4f46\u4e3a\u4e86\u63d0\u9ad8\u8bc6\u522b\u7387\uff0c\u6211\u4eec\u53ef\u4ee5\u5bf9\u56fe\u7247\u8fdb\u884c\u9884\u5904\u7406\uff1a<\/p>\n<\/p>\n
from pyzxing import BarCodeReader<\/p>\n
from PIL import Image, ImageEnhance<\/p>\n
\u6253\u5f00\u56fe\u7247<\/strong><\/h2>\n
image = Image.open('rotated_qrcode.png')<\/p>\n
\u8c03\u6574\u56fe\u7247\u4eae\u5ea6\u548c\u5bf9\u6bd4\u5ea6<\/strong><\/h2>\n
enhancer = ImageEnhance.Contrast(image)<\/p>\n
image = enhancer.enhance(2.0)<\/p>\n
\u4fdd\u5b58\u9884\u5904\u7406\u540e\u7684\u56fe\u7247<\/strong><\/h2>\n
image.save('preprocessed_qrcode.png')<\/p>\n
\u521d\u59cb\u5316\u6761\u7801\u9605\u8bfb\u5668<\/strong><\/h2>\n
reader = BarCodeReader()<\/p>\n
\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f<\/strong><\/h2>\n
barcode = reader.decode('preprocessed_qrcode.png')<\/p>\n
\u6253\u5370\u89e3\u7801\u7ed3\u679c<\/strong><\/h2>\n
if barcode:<\/p>\n
    print("Data:", barcode['parsed'])<\/p>\n
else:<\/p>\n
    print("QR Code not detected")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86 Pillow \u5e93\u7684 ImageEnhance \u6a21\u5757\u5bf9\u56fe\u7247\u7684\u5bf9\u6bd4\u5ea6\u8fdb\u884c\u4e86\u8c03\u6574\uff0c\u5e76\u4fdd\u5b58\u4e86\u9884\u5904\u7406\u540e\u7684\u56fe\u7247\u3002\u63a5\u7740\uff0c\u6211\u4eec\u4f7f\u7528 ZXing \u5e93\u8bfb\u53d6\u9884\u5904\u7406\u540e\u7684\u4e8c\u7ef4\u7801\u4fe1\u606f\u3002<\/p>\n<\/p>\n
\u516b\u3001\u5e38\u89c1\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6848<\/p>\n<\/p>\n
\u5728\u5b9e\u9645\u4f7f\u7528\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\uff0c\u4e0b\u9762\u5217\u51fa\u4e86\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u53ca\u5176\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<\/p>\n
1\u3001\u4e8c\u7ef4\u7801\u56fe\u7247\u6a21\u7cca\u6216\u4e0d\u6e05\u6670\uff0c\u5bfc\u81f4\u8bc6\u522b\u7387\u4f4e\uff1a<\/p>\n<\/p>\n
\u89e3\u51b3\u65b9\u6848\uff1a\u5c1d\u8bd5\u63d0\u9ad8\u56fe\u7247\u5206\u8fa8\u7387\uff0c\u8c03\u6574\u56fe\u7247\u5bf9\u6bd4\u5ea6\u548c\u4eae\u5ea6\uff0c\u6216\u8005\u4f7f\u7528\u9ad8\u8d28\u91cf\u7684\u4e8c\u7ef4\u7801\u751f\u6210\u5de5\u5177\u751f\u6210\u6e05\u6670\u7684\u4e8c\u7ef4\u7801\u56fe\u7247\u3002<\/p>\n<\/p>\n
2\u3001\u4e8c\u7ef4\u7801\u56fe\u7247\u65cb\u8f6c\u6216\u53d8\u5f62\uff0c\u5bfc\u81f4\u65e0\u6cd5\u8bc6\u522b\uff1a<\/p>\n<\/p>\n
\u89e3\u51b3\u65b9\u6848\uff1a\u5bf9\u56fe\u7247\u8fdb\u884c\u9884\u5904\u7406\uff0c\u4f8b\u5982\u8c03\u6574\u56fe\u7247\u5bf9\u6bd4\u5ea6\u3001\u65cb\u8f6c\u56fe\u7247\u7b49\uff0c\u4ee5\u63d0\u9ad8\u4e8c\u7ef4\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n
3\u3001\u8bfb\u53d6\u6761\u5f62\u7801\u4fe1\u606f\u65f6\uff0c\u65e0\u6cd5\u6b63\u786e\u68c0\u6d4b\u6761\u5f62\u7801\u8fb9\u754c\uff1a<\/p>\n<\/p>\n
\u89e3\u51b3\u65b9\u6848\uff1a\u5c1d\u8bd5\u8c03\u6574\u6761\u5f62\u7801\u56fe\u7247\u7684\u5206\u8fa8\u7387\uff0c\u4f7f\u7528\u9ad8\u65af\u6a21\u7cca\u548c\u8fb9\u7f18\u68c0\u6d4b\u65b9\u6cd5\u63d0\u9ad8\u6761\u5f62\u7801\u8fb9\u754c\u68c0\u6d4b\u7684\u51c6\u786e\u6027\u3002<\/p>\n<\/p>\n
4\u3001\u4f7f\u7528 pyzbar \u5e93\u65f6\uff0c\u51fa\u73b0 ImportError \u6216\u5176\u4ed6\u4f9d\u8d56\u9519\u8bef\uff1a<\/p>\n<\/p>\n
\u89e3\u51b3\u65b9\u6848\uff1a\u786e\u4fdd\u5df2\u7ecf\u6b63\u786e\u5b89\u88c5 pyzbar \u5e93\u53ca\u5176\u4f9d\u8d56\u9879\uff08opencv-python \u548c Pillow \u5e93\uff09\uff0c\u5e76\u4f7f\u7528\u6b63\u786e\u7684 Python \u7248\u672c\u3002<\/p>\n<\/p>\n
\u603b\u7ed3<\/p>\n<\/p>\n
\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u8be6\u7ec6\u8bb2\u89e3\u4e86\u5982\u4f55\u4f7f\u7528 pyzbar \u5e93\u3001opencv \u5e93\u4ee5\u53ca zxing \u5e93\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\uff0c\u5e76\u4ecb\u7ecd\u4e86\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\u3002\u5e0c\u671b\u672c\u6587\u80fd\u591f\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\uff0c\u8ba9\u60a8\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u80fd\u591f\u66f4\u9ad8\u6548\u5730\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\u3002<\/strong><\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5b89\u88c5\u8bfb\u53d6\u4e8c\u7ef4\u7801\u6240\u9700\u7684\u5e93\uff1f<\/strong>
\u8981\u5728Python\u4e2d\u8bfb\u53d6\u4e8c\u7ef4\u7801\uff0c\u901a\u5e38\u9700\u8981\u5b89\u88c5opencv-python<\/code>\u548cpyzbar<\/code>\u8fd9\u4e24\u4e2a\u5e93\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5728\u547d\u4ee4\u884c\u4e2d\u5b89\u88c5\uff1a  <\/p>\n
pip install opencv-python pyzbar\n<\/code><\/pre>\n
\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u5e93\u6765\u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\u4e86\u3002<\/p>\n
\u4f7f\u7528Python\u8bfb\u53d6\u4e8c\u7ef4\u7801\u65f6\uff0c\u5982\u4f55\u5904\u7406\u8bfb\u53d6\u5931\u8d25\u7684\u60c5\u51b5\uff1f<\/strong>
\u5728\u4f7f\u7528Python\u8bfb\u53d6\u4e8c\u7ef4\u7801\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u8bfb\u53d6\u5931\u8d25\u7684\u60c5\u51b5\uff0c\u5982\u4e8c\u7ef4\u7801\u6a21\u7cca\u6216\u635f\u574f\u3002\u5efa\u8bae\u5728\u4ee3\u7801\u4e2d\u52a0\u5165\u5f02\u5e38\u5904\u7406\u673a\u5236\u3002\u4f8b\u5982\uff0c\u4f7f\u7528try-except\u8bed\u53e5\u6765\u6355\u6349\u8bfb\u53d6\u9519\u8bef\uff0c\u5e76\u63d0\u4f9b\u7528\u6237\u53cb\u597d\u7684\u63d0\u793a\uff0c\u6307\u5bfc\u7528\u6237\u91cd\u65b0\u626b\u63cf\u6e05\u6670\u7684\u4e8c\u7ef4\u7801\u3002<\/p>\n
\u6211\u53ef\u4ee5\u4f7f\u7528Python\u8bfb\u53d6\u4e0d\u540c\u7c7b\u578b\u7684\u4e8c\u7ef4\u7801\u5417\uff1f<\/strong>
\u662f\u7684\uff0cPython\u53ef\u4ee5\u8bfb\u53d6\u591a\u79cd\u7c7b\u578b\u7684\u4e8c\u7ef4\u7801\uff0c\u5305\u542b\u6807\u51c6\u4e8c\u7ef4\u7801\uff08QR Code\uff09\u3001\u6761\u5f62\u7801\u7b49\u3002\u4f7f\u7528pyzbar<\/code>\u5e93\u65f6\uff0c\u5b83\u652f\u6301\u591a\u79cd\u683c\u5f0f\u7684\u6761\u5f62\u7801\uff0c\u53ea\u9700\u786e\u4fdd\u4e8c\u7ef4\u7801\u7684\u5185\u5bb9\u683c\u5f0f\u7b26\u5408\u6807\u51c6\u5373\u53ef\u3002\u901a\u8fc7\u7b80\u5355\u7684\u4ee3\u7801\u4fee\u6539\uff0c\u53ef\u4ee5\u8f7b\u677e\u8bc6\u522b\u8fd9\u4e9b\u4e0d\u540c\u7c7b\u578b\u7684\u4e8c\u7ef4\u7801\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python \u8bfb\u53d6\u4e8c\u7ef4\u7801\u4fe1\u606f\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u4e3b\u8981\u5305\u62ec\u4f7f\u7528 pyzbar \u5e93\u3001opencv \u5e93\u3001\u4ee5\u53ca zxing […]","protected":false},"author":3,"featured_media":1104471,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1104463"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1104463"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1104463\/revisions"}],"predecessor-version":[{"id":1104473,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1104463\/revisions\/1104473"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1104471"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1104463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1104463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1104463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}