from
PIL
import
Image
img
=
Image.
open
(
'tmp.jpg'
)
img
=
img.convert(
"RGBA"
)
pixdata
=
img.load()
for
y
in
xrange
(img.size[
1
]):
for
x
in
xrange
(img.size[
0
]):
if
pixdata[x, y][
0
] <
90
:
pixdata[x, y]
=
(
0
,
0
,
0
,
255
)
for
y
in
xrange
(img.size[
1
]):
for
x
in
xrange
(img.size[
0
]):
if
pixdata[x, y][
1
] <
136
:
pixdata[x, y]
=
(
0
,
0
,
0
,
255
)
for
y
in
xrange
(img.size[
1
]):
for
x
in
xrange
(img.size[
0
]):
if
pixdata[x, y][
2
] >
0
:
pixdata[x, y]
=
(
255
,
255
,
255
,
255
)
img.save(
"input-black.gif"
,
"GIF"
)
im_orig
=
Image.
open
(
'input-black.gif'
)
big
=
im_orig.resize((
1000
,
500
), Image.NEAREST)