📅  最后修改于: 2022-03-11 14:45:21.521000             🧑  作者: Mango
import cv2
import os.path
while not os.path.isfile("myImage.jpg"):
#ignore if no such file is present.
pass
img = cv2.imread("myImage.jpg", 0)
cv2.imwrite("result.jpg", img)