A simple application demonstrating video capture using Webcam on OpenCV

opencv_video_capture.py

# A simple program that captures video from webcam and displays it on the screen
import numpy as np
import cv2

cap = cv2.VideoCapture(0)

while(True):
    ret,frame = cap.read()

    frame = cv2.resize(frame,(0,0),fx = 0.5, fy = 0.5)
    cv2.imshow("Frame",frame)

    ch = cv2.waitKey(1)
    if ch & 0xFF == ord('q'):
        break

cap.release()
cv2.destroyAllWindows()