opencv中值滤波

#中值
import cv2 as cv
import numpy as np
from matplotlib import pyplot as plt
img = cv.imread('test.jpg')
median = cv.medianBlur(img,9)
plt.subplot(121),plt.imshow(img),plt.title('Original')
plt.xticks([]),plt.yticks([])
plt.subplot(122),plt.imshow(median),plt.title('median')
plt.xticks([]),plt.yticks([])
plt.show()