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'''
黑帽运算
'''
import cv2
import numpy as np
image = cv2.imread("image\\closing.PNG", cv2.IMREAD_UNCHANGED)
kernel = np.ones((5,5), np.uint8) #定义核。5行5列。
result = cv2.morphologyEx(image, cv2.MORPH_BLACKHAT, kernel) #黑帽运算
cv2.imshow("image", image)
cv2.imshow("result", result)
cv2.imshow("result", result)
cv2.waitKey()
cv2.destroyAllWindows()
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