Hi,
import numpy as np
import cv2
img=cv2.imread('4.jpg',0)
cv2.imshow('image',img)
k=cv2.waitKey(0)
if k == 27:
cv2.destroyAllWindows()
#cv2.destroyWindow('image')
elif k == ord('S'):
cv2.imwrite('image.png',img)
cv2.destroyAllWindows()
when I run this code,it is not possible to close the image window by
pressing esc key,and if going to close by using mouse the window will hang.
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