python 컬러 그림 을 그 레이스 케 일 로 변환 합 니 다.

from PIL import Image
import os
 
#     ：    （RGB）        （255,255,255）
image = "Annie1.jpg"
img = Image.open(image)
img_all = "  " + image
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) #     
#
# img_L=img.convert('L')
# print(img_L)
# img_get_L=img_L.getpixel((0,0)) #        
# print(img_get_L)
 
#        
Pen_size = 3
#      
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):
  #      
  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
 
  #   ----  
  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
 
  #   ----  
  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
 
  #   ----  
  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
 
  #   ----  
  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)' % '        ')
os.system(img_all)