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()accessing camera with python
import cv2
vid = cv2.VideoCapture(0)
while True:
ret, frame = vid.read()
cv2.imshow('Controlling my computer camera', frame)
if cv2.waitKey(4) & 0xFF == ord('q'):
break
vid.release()
cv2.destroyAllWindows()Copyright © 2021 Codeinu
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