Python-openCV开运算

#coding=utf-8
import cv2
import numpy as np
img=cv2.imread('timg.jpeg',cv2.CV_LOAD_IMAGE_GRAYSCALE)
#创建矩形结构单元
g=cv2.getStructuringElement(cv2.MORPH_RECT,(9,9))
#形态学处理,开运算
img_open=cv2.morphologyEx(img,cv2.MORPH_OPEN,g)

img_hat=img-img_open
cv2.imshow('img',img)
#cv2.imshow('erode',edge_dilate)
cv2.imshow('img_open',img_open)
cv2.imshow('img_open_',img_hat)
cv2.waitKey(0)
cv2.destroyAllWindows()