QRcode
Test Your Imports 测试引用包
import cv2
import numpy as np
Scan a QR Code
import cv2
import numpy as np
cap = cv2.VideoCapture(0)
qrDecoder = cv2.QRCodeDetector()
while True:
_, frame = cap.read()
# Detect and decode the qrcode
data,bbox,rectifiedImage = qrDecoder.detectAndDecode(frame)
if len(data)>0:
print("Decoded Data : {}".format(data))
cv2.putText(frame, format(data), tuple(bbox[0][0]), cv2.FONT_HERSHEY_COMPLEX, 2, (100,170,0), 3)
# Display barcode and QR code location
print(bbox)
cv2.line(frame, tuple(bbox[0][0]), tuple(bbox[0][1]), (255,0,0), 3)
cv2.line(frame, tuple(bbox[0][1]), tuple(bbox[0][2]), (255,0,0), 3)
cv2.line(frame, tuple(bbox[0][2]), tuple(bbox[0][3]), (255,0,0), 3)
cv2.line(frame, tuple(bbox[0][0]), tuple(bbox[0][3]), (255,0,0), 3)
else:
print("QR Code not detected")
cv2.imshow("Frame", frame)
key = cv2.waitKey(1)
if key == 27:
break
# When everything is done, release the capture 完成所有工作后,释放摄像头
cap.release()
cv2.destroyAllWindows()
Open a web browser
import webbrowser
url = 'http://marcellotania.com/'
# MacOS
chrome_path = 'open -a /Applications/Google\ Chrome.app %s'
# Windows
# chrome_path = 'C:/Program Files (x86)/Google/Chrome/Application/chrome.exe %s'
# Linux
# chrome_path = '/usr/bin/google-chrome %s'
webbrowser.get(chrome_path).open(url)
Scan a QR code and open a web browser
import cv2
import numpy as np
import webbrowser
cap = cv2.VideoCapture(1)
qrDecoder = cv2.QRCodeDetector()
while True:
_, frame = cap.read()
# Detect and decode the qrcode
data,bbox,rectifiedImage = qrDecoder.detectAndDecode(frame)
if len(data)>0:
print("Decoded Data : {}".format(data))
# Display barcode and QR code location
print(bbox)
cv2.line(frame, tuple(bbox[0][0]), tuple(bbox[0][1]), (255,0,0), 3)
cv2.line(frame, tuple(bbox[0][1]), tuple(bbox[0][2]), (255,0,0), 3)
cv2.line(frame, tuple(bbox[0][2]), tuple(bbox[0][3]), (255,0,0), 3)
cv2.line(frame, tuple(bbox[0][0]), tuple(bbox[0][3]), (255,0,0), 3)
url = format(data)
# MacOS
chrome_path = 'open -a /Applications/Google\ Chrome.app %s'
# Windows
# chrome_path = 'C:/Program Files (x86)/Google/Chrome/Application/chrome.exe %s'
# Linux
# chrome_path = '/usr/bin/google-chrome %s'
webbrowser.get(chrome_path).open(url)
break
else:
print("QR Code not detected")
cv2.imshow("Frame", frame)
key = cv2.waitKey(1)
if key == 27:
break
# When everything is done, release the capture 完成所有工作后,释放摄像头
cap.release()
cv2.destroyAllWindows()
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