Open cv read webcam

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

17 votes297 views4 answers
Python optional arguments
Python
0 vote421 views2 answers
Find All Occurrences of a Substring in a String in Python
Python
6 votes338 views1 answer
Get all combinations from two lists python
Python
0 vote332 views1 answer
Django post request 403 forbidden
Python
0 vote320 views1 answer
Sql o que é
Python
1 vote345 views1 answer
Python oprators
Python
6 votes421 views1 answer
Cors error in flask
Python Flask
-3 votes375 views3 answers
Chatterbot python
Python
0 vote330 views1 answer
Separating a relational plot based on a sixth variable | seaborn relational plot
Python
-1 vote360 views1 answer
Py string find regex pos
Python