text: import cv2
  from picture_show import (
      Pic,
      Or_show,
      show,
  )
  
  #利用opencv进行中值滤波处理
  def cv2_medianblur():
      Pic_c = Pic().pic_c()
      md_img = cv2.medianBlur(Pic_c, 7)
      Or_show()
      show(md_img, 'md_woman')