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import cv2
def open(image_path):
# 图像的二值化
src = cv2.imread(image_path, cv2.IMREAD_UNCHANGED)
# 交叉结构元
kernel = cv2.getStructuringElement(cv2.MORPH_CROSS, (5, 5))
# 进行开运算
open = cv2.morphologyEx(src, cv2.MORPH_OPEN, kernel)
cv2.imshow('result', open)
cv2.waitKey(0)
cv2.destroyAllWindows()