read live video from usb opencv python
import cv2 cap = cv2.VideoCapture() # The device number might be 0 or 1 depending on the device and the webcam cap.open(0, cv2.CAP_DSHOW) while(True): ret, frame = cap.read() cv2.imshow('frame', frame) if cv2.waitKey(1) & 0xFF == ord('q'): break cap.release() cv2.destroyAllWindows()