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 vote164 views1 answer
Jinja for items in list
Python
0 vote213 views1 answer
Beautifulsoup remove empty tags
Python
0 vote203 views1 answer
C# script for download music from telegram channel
Python
17 votes206 views2 answers
Python filter data from list
Python
0 vote204 views1 answer
Is python procedural
Python
0 vote199 views1 answer
Children beautiful soup
Python
1 vote230 views1 answer
Flask authentication user without database
Python Flask
0 vote194 views1 answer
Install python package from git colab
Python
0 vote208 views2 answers
How to read specific words from a file in python
Python
0 vote213 views2 answers
The module in NAME could not be imported: django.contrhtmlib.auth.password_validation.UserAttributeSimilarityValidator. Check your AUTH_PASSWORD_VALIDATORS setting.
Python