access webcam using opencv
import cv2
cap = cv2.VideoCapture(0)
while True:
ret, frame = cap.read()
cv2.imshow('webcam feed' , frame)
if cv2.waitKey(1) & 0xFF == ord(' '):
break
cap.release()
cv2.destroyAllWindows()
#by using the spacebar you will be able to finish the process of video capturing
#in opencv and the window will closeopencv webcam python
import numpy as np
import cv2
cap = cv2.VideoCapture(0)
while(True):
# Capture frame-by-frame
ret, frame = cap.read()
# Our operations on the frame come here
gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
# Display the resulting frame
cv2.imshow('frame',gray)
if cv2.waitKey(1) & 0xFF == ord('q'):
break
# When everything done, release the capture
cap.release()
cv2.destroyAllWindows()how to show webcam in opencv
import cv2
cap = cv2.VideoCapture(0)
while True:
success, img = cap.read()
cv2.imshow("Webcam", img)
if cv2.waitKey(1) == ord('q'):
breakOpencv Webcam
import cv2
frameWidth = 640
frameHeight = 480
cap = cv2.VideoCapture(0)
cap.set(3, frameWidth)
cap.set(4, frameHeight)
cap.set(10,150)
while True:
success, img = cap.read()
cv2.imshow("Result", img)
if cv2.waitKey(1) and 0xFF == ord('q'):
breakCopyright © 2021 Codeinu
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