本文实例为大家分享了Python将图片彩色转化为素描的具体代码,供大家参考,具体内容如下
第一种:
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from PIL import Image, ImageFilter, ImageOps
img = Image. open ( 'E:\\picture\\1.png' )
def dodge(a, b, alpha):
return min ( int (a * 255 / ( 256 - b * alpha)), 255 )
def draw(img, blur = 25 , alpha = 1.0 ):
img1 = img.convert( 'L' ) #图片转换成灰色
img2 = img1.copy()
img2 = ImageOps.invert(img2)
for i in range (blur): #模糊度
img2 = img2. filter (ImageFilter.BLUR)
width, height = img1.size
for x in range (width):
for y in range (height):
a = img1.getpixel((x, y))
b = img2.getpixel((x, y))
img1.putpixel((x, y), dodge(a, b, alpha))
img1.show()
img1.save( 'E:\\picture\\10.png' )
draw(img)
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第二种:
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from PIL import Image
import os
# 图像组成:红绿蓝 (RGB)三原色组成 亮度(255,255,255)
image = "E:\\picture\\123.png"
img = Image. open (image)
img_all = "E:\\picture\\1234.png"
new = Image.new( "L" , img.size, 255 )
width, height = img.size
img = img.convert( "L" )
# print(img.size)
# print(img.mode) #RBG
#
# img_get = img.getpixel((0, 0))
# print(img_get) #三原色通道
#
# img_L=img.convert('L')
# print(img_L)
# img_get_L=img_L.getpixel((0,0)) #换算 得到灰度值
# print(img_get_L)
# 定义画笔的大小
Pen_size = 3
# 色差扩散器
Color_Diff = 6
for i in range (Pen_size + 1 , width - Pen_size - 1 ):
for j in range (Pen_size + 1 , height - Pen_size - 1 ):
# 原始的颜色
originalColor = 255
lcolor = sum ([img.getpixel((i - r, j)) for r in range (Pen_size)]) / / Pen_size
rcolor = sum ([img.getpixel((i + r, j)) for r in range (Pen_size)]) / / Pen_size
# 通道----颜料
if abs (lcolor - rcolor) > Color_Diff:
originalColor - = ( 255 - img.getpixel((i, j))) / / 4
new.putpixel((i, j), originalColor)
ucolor = sum ([img.getpixel((i, j - r)) for r in range (Pen_size)]) / / Pen_size
dcolor = sum ([img.getpixel((i, j + r)) for r in range (Pen_size)]) / / Pen_size
# 通道----颜料
if abs (ucolor - dcolor) > Color_Diff:
originalColor - = ( 255 - img.getpixel((i, j))) / / 4
new.putpixel((i, j), originalColor)
acolor = sum ([img.getpixel((i - r, j - r)) for r in range (Pen_size)]) / / Pen_size
bcolor = sum ([img.getpixel((i + r, j + r)) for r in range (Pen_size)]) / / Pen_size
# 通道----颜料
if abs (acolor - bcolor) > Color_Diff:
originalColor - = ( 255 - img.getpixel((i, j))) / / 4
new.putpixel((i, j), originalColor)
qcolor = sum ([img.getpixel((i + r, j - r)) for r in range (Pen_size)]) / / Pen_size
wcolor = sum ([img.getpixel((i - r, j + r)) for r in range (Pen_size)]) / / Pen_size
# 通道----颜料
if abs (qcolor - wcolor) > Color_Diff:
originalColor - = ( 255 - img.getpixel((i, j))) / / 4
new.putpixel((i, j), originalColor)
new.save(img_all)
i = os.system( 'mshta vbscript createobject("sapi.spvoice").speak("%s")(window.close)' % '您的图片转换好了' )
os.system(img_all)
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如果报错
可以直接安装
命令pip install Pillow即可
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/ahaotata/article/details/83830802