opencv滤波

#方框滤波
import cv2
import numpy as np
img = cv2.imread('test.jpg', cv2.IMREAD_UNCHANGED)
r = cv2.boxFilter(img,-1,(3,3),normalize=1)
d = cv2.boxFilter(img,-1,(3,3),normalize=0)
cv2.namedWindow('img',cv2.WINDOW_AUTOSIZE)
cv2.namedWindow('r',cv2.WINDOW_AUTOSIZE)
cv2.namedWindow('d',cv2.WINDOW_AUTOSIZE)
cv2.imshow('img',img)
cv2.imshow('r',r)
cv2.imshow('d',d)
cv2.waitKey(0)
cv2.destoryAllWindows()