//1 ¶
RGB channel ¶
해 . editPlus ,ㅠ cmd 행한 ^^
~cpp
//2005.12.29
import Image
im = Image.open("lena.jpg")
imR = Image.new("RGB", im.size)
imG = Image.new("RGB", im.size)
imB = Image.new("RGB", im.size)
# 파 512 size.
for x in range(512):
for y in range(512):
r,g,b = im.getpixel((x,y))
imR.putpixel((x,y), (r, 0, 0))
imG.putpixel((x,y), (0, g, 0))
imB.putpixel((x,y), (0, 0, b))
imR.show()
imG.show()
imB.show()
RGB Gray화 ¶
~cpp
//2005.12.30
import Image
im = Image.open("lena.jpg")
imR = Image.new("P", im.size)
imG = Image.new("P", im.size)
imB = Image.new("P", im.size)
for x in range(512):
for y in range(512):
r,g,b = im.getpixel((x,y))
imR.putpixel((x,y), r)
imG.putpixel((x,y), g)
imB.putpixel((x,y), b)
imR.show()
imG.show()
imB.show()
.
Whitening ¶
~cpp
//2005. 12. 31
import Image
im = Image.open("lena.jpg")
imW = Image.new("RGB", im.size)
for x in range(50, 100):
for y in range(50, 100):
r,g,b = im.getpixel((x,y))
imW.putpixel((x,y), (r+30, g+30, b+30)
imW.show()
Darkening ¶
~cpp
//2005. 12. 31
import Image
im = Image.open("lena.jpg")
imD = Image.new("RGB", im.size)
for x in range(100, 150):
for y in range(100, 150):
r,g,b = im.getpixel((x,y))
imD.putpixel((x,y), (r-30, g-30, b-30)
imW.show()
