python get webcam code example
Example 1: how to open webcam with python
import cv2
cap = cv2.VideoCapture(0)
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()
Example 2: 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'):
break