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我正在學習Python的opencv,我已經使用opencv完美地運行了我的視頻,但是我想在視頻上製作邊框。這是我到目前爲止所嘗試的,但它沒有奏效。如何使用opencv和python在視頻流上製作邊框?
import cv2
import numpy as np
cam=cv2.VideoCapture(1)
waitTime=50
while (1):
ret,frame=cam.read()
#cv2.copyMakeBorder(frame,1000,1000,1000,1000,cv2.BORDER_CONSTANT,value=[0,255,255])
cv2.imshow("frame",frame)
cv2.copyMakeBorder(frame,1000,1000,1000,1000,cv2.BORDER_CONSTANT,value=[0,200,200])
#cv2.setMouseCallback('frame',draw)
if cv2.waitKey(waitTime) & 0xFF==ord('q'):
break
cam.release()
cv2.destroyAllWindows()