# -*- coding: utf-8 -*-

#线性锐化滤波-拉普拉斯算子进行二维卷积计算

#code:myhaspl@myhaspl.com

import cv2

import numpy as np

from scipy import signal

fn="test6.jpg"

myimg=cv2.imread(fn)

img=cv2.cvtColor(myimg,cv2.COLOR_BGR2GRAY)

srcimg=np.array(img,np.double)

myh=np.array([[0,1,0],[1,-4,1],[0,1,0]])

myj=signal.convolve2d(srcimg,myh,mode="same")

jgimg=img-myj

cv2.imshow('src',img)

cv2.imshow('dst',jgimg)

cv2.waitKey()

cv2.destroyAllWindows()

本博客全部内容是原创，假设转载请注明来源

http://blog.csdn.net/myhaspl/