本篇文章為大家展示了使用OpenCV怎么對(duì)人臉圖像進(jìn)行卡通化,內(nèi)容簡(jiǎn)明扼要并且容易理解,絕對(duì)能使你眼前一亮,通過(guò)這篇文章的詳細(xì)介紹希望你能有所收獲。
import cv2 import numpy as np
在這個(gè)轉(zhuǎn)換中,我們將找到圖像的邊緣,并使用雙邊濾波器和位操作符制作一個(gè)卡通化的圖像。
# 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()
在第二次變換中,我們嘗試用一個(gè)邊緣保持濾波器來(lái)模糊圖像,并在邊緣上加入一個(gè)閾值。在這里我們使用的是高斯模糊。
#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()
在這一變換過(guò)程中,我們將運(yùn)用風(fēng)格化的手法,創(chuàng)造出形象的卡通效果。
cartoon_image = cv2.stylization(image, sigma_s=150, sigma_r=0.25) cv2.imshow('cartoon', cartoon_image) cv2.waitKey(0) cv2.destroyAllWindows()
在這個(gè)變換中,我們將分別創(chuàng)建一個(gè)彩色和黑白的鉛筆素描草圖形象。
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()
上述內(nèi)容就是使用OpenCV怎么對(duì)人臉圖像進(jìn)行卡通化,你們學(xué)到知識(shí)或技能了嗎?如果還想學(xué)到更多技能或者豐富自己的知識(shí)儲(chǔ)備,歡迎關(guān)注創(chuàng)新互聯(lián)行業(yè)資訊頻道。
標(biāo)題名稱:使用OpenCV怎么對(duì)人臉圖像進(jìn)行卡通化-創(chuàng)新互聯(lián)
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