使用OpenCV实现人脸图像卡通化的示例代码

import cv2
import numpy as np

# Reading the Image 
image = cv2.imread("image1.jpg")
# Finding the Edges of Image
gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY) 
gray = cv2.medianBlur(gray, 7) 
edges = cv2.adaptiveThreshold(gray, 255, cv2.ADAPTIVE_THRESH_MEAN_C, cv2.THRESH_BINARY, 9, 10)
# Making a Cartoon of the image
color = cv2.bilateralFilter(image, 12, 250, 250) 
cartoon = cv2.bitwise_and(color, color, mask=edges)
#Visualize the cartoon image 
cv2.imshow("Cartoon", cartoon) 
cv2.waitKey(0) # "0" is Used to close the image window
cv2.destroyAllWindows()

#convert to gray scale
grayImage = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
#apply gaussian blur
grayImage = cv2.GaussianBlur(grayImage, (3, 3), 0)
#detect edges
edgeImage = cv2.Laplacian(grayImage, -1, ksize=5)
edgeImage = 255 - edgeImage
#threshold image
ret, edgeImage = cv2.threshold(edgeImage, 150, 255, cv2.THRESH_BINARY)
#blur images heavily using edgePreservingFilter
edgePreservingImage = cv2.edgePreservingFilter(image, flags=2, sigma_s=50, sigma_r=0.4)
#create output matrix
output =np.zeros(grayImage.shape)
#combine cartoon image and edges image
output = cv2.bitwise_and(edgePreservingImage, edgePreservingImage, mask=edgeImage)
#Visualize the cartoon image 
cv2.imshow("Cartoon", output) 
cv2.waitKey(0) # "0" is Used to close the image window
cv2.destroyAllWindows()

cartoon_image = cv2.stylization(image, sigma_s=150, sigma_r=0.25) 
cv2.imshow('cartoon', cartoon_image) 
cv2.waitKey(0) 
cv2.destroyAllWindows()

cartoon_image1, cartoon_image2 = cv2.pencilSketch(image, sigma_s=60, sigma_r=0.5, shade_factor=0.02) 
cv2.imshow('pencil', cartoon_image1) 
cv2.waitKey() 
cv2.destroyAllWindows()

cv2.imshow('pencil', cartoon_image2)  
cv2.waitKey()  
cv2.destroyAllWindows()