好玩Python——PIL项目实训(四)——美白磨皮
1 # 图像基础调整: 图像的亮度、对比度、色度,还可以用于增强图像的锐度,美白 2 # """ 3 4 from PIL import Image 5 from PIL import ImageEnhance 6 import cv2 7 import numpy as np 8 9 10 # image = Image.open('14.jpg') 11 #image.show() 12 def BrightnessEnhancement(brightness): 13 # ''' 14 # #亮度增强 :brightness在(0-1)之间,新图像较原图暗,在(1-~)新图像较原图亮 , 15 # ##brightness=1,保持原图像不变;可自定义参数范围 16 # ''' 17 image = Image.open(filepath) 18 enh_bri = ImageEnhance.Brightness(image) 19 # brightness =1.5 20 image_brightened = enh_bri.enhance(brightness) 21 image_brightened.show() 22 23 def ContrastEnhancement(contrast): 24 # ''' 25 # #对比度增强: 可自定义参数contrast范围,contrast=1,保持原图像不变 26 # ''' 27 image = Image.open(filepath) 28 enh_con = ImageEnhance.Contrast(image) 29 # contrast =1.5 30 image_contrasted = enh_con.enhance(contrast) 31 image_contrasted.show() 32 33 def ColorEnhancement(color): 34 # ''' 35 # #色度增强 : 饱和度 color=1,保持原图像不变 36 # ''' 37 image = Image.open(filepath) 38 enh_col = ImageEnhance.Color(image) 39 # color =0.8 40 image_colored = enh_col.enhance(color) 41 image_colored.show() 42 43 def SharpnessEnhancement(sharpness): 44 # ''' 45 # #锐度增强: 清晰度 sharpness=1,保持原图像不变 46 # ''' 47 image = Image.open(filepath) 48 enh_sha = ImageEnhance.Sharpness(image) 49 # sharpness = 2 50 image_sharped = enh_sha.enhance(sharpness) 51 image_sharped.show() 52 53 def Filter(image): 54 # """ 55 # 色彩窗的半径 56 # 图像将呈现类似于磨皮的效果 57 # """ 58 #image:输入图像,可以是Mat类型, 59 # 图像必须是8位或浮点型单通道、三通道的图像 60 #0:表示在过滤过程中每个像素邻域的直径范围,一般为0 61 #后面两个数字:空间高斯函数标准差,灰度值相似性标准差 62 image =cv2.imread(filepath) 63 Remove=cv2.bilateralFilter(image,0,0,10) 64 cv2.imshow('filter',Remove) 65 cv2.waitKey(0) 66 cv2.destroyAllWindows() 67 # res = np.uint8(np.clip((1.2 * image + 10), 0, 255)) 68 # tmp = np.hstack((dst, res)) 69 # cv2.imshow('bai',res) 70 71 72 def WhiteBeauty(image,whi): 73 # ''' 74 # 美白 75 # ''' 76 import cv2 77 78 image =cv2.imread(filepath) 79 white = np.uint8(np.clip((whi * image + 10), 0, 255)) 80 cv2.imshow('bai',white) 81 cv2.waitKey(0) 82 cv2.destroyAllWindows() 83 84 85 86 if __name__ =="__main__": 87 filepath = 'D:\\python\\img\\WDC.jpg' 88 #原始图像 89 brightness = 1.5 90 contrast = 0.2 91 color=1.9 92 sharpness=0.1 93 BrightnessEnhancement(brightness) 94 ContrastEnhancement(contrast) 95 ColorEnhancement(color) 96 SharpnessEnhancement(sharpness) 97 whi = 1.2 98 image =cv2.imread('D:\\python\\img\\WDC.jpg') 99 Filter(image) 100 WhiteBeauty(image,whi)
原图为:
努力地向月光下的影子——骇客靠拢!!!
黎明之花,待时绽放