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as berak said you need to add a delay before enter the while loop import numpy as np import cv2 import time
import numpy as np import cv2 import time
cap = cv2.VideoCapture(0) print(cap.isOpened()) time.sleep(5) while(True): # Capture frame-by-frame ret, frame = cap.read() print(ret) # 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()
cap = cv2.VideoCapture(0) print(cap.isOpened())
time.sleep(5) while(True): # Capture frame-by-frame ret, frame = cap.read() print(ret)
# 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
cap.release() cv2.destroyAllWindows()
