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Python_opencv(邊緣保留濾波EPF)

邊緣保留濾波(EPF)
 

import cv2 as cv
import numpy as np

def bi_demo(image):   #高斯雙邊
    ##dst=cv.bilateralFilter(image,0,100,15)
    dst=cv.bilateralFilter(src=image,d=0,sigmaColor=100,sigmaSpace=15)
    cv.imshow("bi_demo",dst)
    kennel=np.array([[0,-1,0],[-1,5,-1],[0,-1,0]],np.float32)   #銳化操作,試圖向更立體
    dst1=cv.filter2D(dst,-1,kennel)         #-1表示和原圖一樣
    cv.imshow("new",dst1)

def shift_demo(image):   #均值偏移
    dst=cv.pyrMeanShiftFiltering(image,10,50)
    cv.imshow("shift_demo",dst)


print('---Hello Python-----')
src=cv.imread('E:/aaaxuexi/python_z/zhanglaoshi/lianxi/liuyifei.jpg')
cv.imshow('xiaojiejie',src)
bi_demo(src)
shift_demo(src)
cv.waitKey(0)
cv.destroyAllWindows()

原圖:

均值遷移:

高斯雙邊: