How to open webcam with python

import cv2

cap = cv2.VideoCapture(0)

# Check if the webcam is opened correctly
if not cap.isOpened():
    raise IOError("Cannot open webcam")

while True:
    ret, frame = cap.read()
    frame = cv2.resize(frame, None, fx=0.5, fy=0.5, interpolation=cv2.INTER_AREA)
    cv2.imshow('Input', frame)

    c = cv2.waitKey(1)
    if c == 27:
        break

cap.release()
cv2.destroyAllWindows()

Source: subscription.packtpub.com

Similar codes

0 vote168 views2 answers
How to increment a variable in python]
Python
10 votes161 views2 answers
Python color in console
Python
0 vote148 views1 answer
Python valueerror "invalid syntax for number"
Python
61 votes145 views3 answers
How to make python remove the duplicates in list
Python
0 vote166 views1 answer
How to return value in new record to odoo
Python
17 votes153 views4 answers
Pandas return row
Python
0 vote180 views1 answer
Python tkinter get image size
Python
0 vote174 views1 answer
Redirect the Python Script Output to File
Python
0 vote164 views1 answer
Echo $pythonpath ubuntu set default
Python
2 votes189 views1 answer
Python write a list to a file line by line
Python