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

4 votes286 views1 answer
Django objects.create()
Python
1 vote306 views1 answer
Python get object attribute by string
Python
33 votes309 views4 answers
Python check folder exist
Python
5 votes310 views1 answer
Python plot multiple lines in same figure
Python
0 vote307 views1 answer
Read list stored as a string with pandas read csv
Python
6 votes316 views3 answers
%s in python
Python
0 vote316 views1 answer
How to leave a function python
Python
1 vote311 views1 answer
What is Python's dynamic type system
Python
3 votes314 views1 answer
Access the value in settings django
Python
3 votes301 views2 answers
How to print answer 2 decimal places in python 3
Python