二维码识别器

Author: makelove

my10-识别二维码/QR_Scaner1.py

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+# -*- coding: utf-8 -*-
+# @Time    : 2018-12-31 18:35
+# @Author  : play4fun
+# @File    : QR_Scaner1.py
+# @Software: PyCharm
+
+"""
+QR_Scaner1.py:
+"""
+
+from pyzbar.pyzbar import decode
+# from PIL import Image
+import cv2
+
+
+def main():
+    fp = 'macbookPro.jpg'
+    # img = Image.open(fp)
+    # img.show()
+    image = cv2.imread(fp)
+    barcodes = decode(image)
+    decoded = barcodes[0]
+    print(decoded)
+    #
+    url: bytes = decoded.data
+    url = url.decode()
+    print(url)
+    # rect
+    rect = decoded.rect
+    print(rect)  # Rect(left=19, top=19, width=292, height=292)
+
+    # loop over the detected barcodes
+    for barcode in barcodes:
+        # extract the bounding box location of the barcode and draw the
+        # bounding box surrounding the barcode on the image
+        (x, y, w, h) = barcode.rect
+        cv2.rectangle(image, (x, y), (x + w, y + h), (0, 0, 255), 2)
+
+        # the barcode data is a bytes object so if we want to draw it on
+        # our output image we need to convert it to a string first
+        barcodeData = barcode.data.decode("utf-8")
+        barcodeType = barcode.type
+
+        # draw the barcode data and barcode type on the image
+        text = "{} ({})".format(barcodeData, barcodeType)
+        cv2.putText(image, text, (x, y - 10), cv2.FONT_HERSHEY_SIMPLEX,
+                    0.5, (0, 0, 255), 2)
+
+        # print the barcode type and data to the terminal
+        print("[INFO] Found {} barcode: {}".format(barcodeType, barcodeData))
+
+    # show the output image
+    cv2.imshow("Image", image)
+    cv2.imwrite('macbook_qr_rect.jpg', image)
+    cv2.waitKey(0)  # 按任意键退出
+
+
+if __name__ == '__main__':
+    main()

my10-识别二维码/macbookPro.jpg

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+
+# 创建二维码
+
+- 参考
+    - https://github.com/lincolnloop/python-qrcode
+    - [使用Python的库qrcode生成二维码](https://www.jianshu.com/p/b4b14e314b2a)
+
+- 安装
+    - pip install qrcode[pil]
+
+- 创建
+```python
+import qrcode
+
+url='https://item.jd.com/7842699.html'
+img = qrcode.make(url, border=6)
+img.save('macbookPro.jpg')
+
+```
+
+-
+```bash
+qr 'Some data' > test.png
+```

my10-识别二维码/macbook_qr_rect.jpg

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+## my10-识别二维码
+
+- 参考
+    - https://github.com/NaturalHistoryMuseum/pyzbar
+    - [用ZBar做OpenCV识别器-条形码+二维码](https://www.pyimagesearch.com/2018/05/21/an-opencv-barcode-and-qr-code-scanner-with-zbar/)
+
+- 安装
+    - 安装 ZBar
+        - Ubuntu
+            -  sudo apt-get install libzbar0
+        - macOS Mojave
+            -  brew install zbar
+    - pip install pyzbar