油画效果代码:
import cv2
import numpy as np
img = cv2.imread('image1.jpg',1)
cv2.imshow('src',img)
imgInfo = img.shape
height = imgInfo[0]
width = imgInfo[1]
gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
dst = np.zeros((height,width,3),np.uint8)
for i in range(4,height-4):
for j in range(4,width-4):
array1 = np.zeros(8,np.uint8)
for m in range(-4,4):
for n in range(-4,4):
p1 = int(gray[i+m,j+n]/32)
array1[p1] = array[p1]+1
currentMax = array1[0]
l = 0
for k in range(0,8):
if currentMax<array1[k]:
currentMax = array1[k]
l = k
for m in range(-4,4):
for n in range(-4,4):
if gray[i+m,j+n]>=(l*32) and gray[i+m,j+n]<=((l+1)*32):
(b,g,r) = img[i+m,j+n]
dst[i,j] = (b,g,r)
cv2.imshow('dst',dst)
cv2.waitKey(0)