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体验新版 GitCode,发现更多精彩内容 >>
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382e154c
编写于
7月 01, 2011
作者:
A
Alexander Mordvintsev
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
morphology python sample
上级
ad454d83
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
54 addition
and
12 deletion
+54
-12
samples/python2/common.py
samples/python2/common.py
+3
-0
samples/python2/morphology.py
samples/python2/morphology.py
+51
-12
未找到文件。
samples/python2/common.py
浏览文件 @
382e154c
...
...
@@ -54,3 +54,6 @@ def mtx2rvec(R):
axis
=
np
.
cross
(
vt
[
0
],
vt
[
1
])
return
axis
*
np
.
arctan2
(
s
,
c
)
def
draw_str
(
dst
,
(
x
,
y
),
s
):
cv2
.
putText
(
dst
,
s
,
(
x
+
1
,
y
+
1
),
cv2
.
FONT_HERSHEY_PLAIN
,
1.0
,
(
0
,
0
,
0
),
thickness
=
2
,
linetype
=
cv2
.
CV_AA
)
cv2
.
putText
(
dst
,
s
,
(
x
,
y
),
cv2
.
FONT_HERSHEY_PLAIN
,
1.0
,
(
255
,
255
,
255
),
linetype
=
cv2
.
CV_AA
)
samples/python2/morphology.py
浏览文件 @
382e154c
import
numpy
as
np
import
cv2
img
=
cv2
.
imread
(
'../cpp/baboon.jpg'
,
False
)
def
callback
(
k
):
k
=
2
*
(
k
-
10
)
st
=
cv2
.
getStructuringElement
(
cv2
.
MORPH_ELLIPSE
,
(
abs
(
k
),
abs
(
k
)))
op
=
cv2
.
MORPH_BLACKHAT
if
k
>
0
:
op
=
cv2
.
MORPH_TOPHAT
res
=
cv2
.
morphologyEx
(
img
,
op
,
st
)
cv2
.
imshow
(
'img'
,
res
)
if
__name__
==
'__main__'
:
import
sys
from
itertools
import
cycle
from
common
import
draw_str
callback
(
20
)
cv2
.
createTrackbar
(
'k'
,
'img'
,
10
,
20
,
callback
)
try
:
fn
=
sys
.
argv
[
1
]
except
:
fn
=
'../cpp/baboon.jpg'
img
=
cv2
.
imread
(
fn
)
modes
=
cycle
([
'erode/dilate'
,
'open/close'
,
'blackhat/tophat'
,
'gradient'
])
str_modes
=
cycle
([
'ellipse'
,
'rect'
,
'cross'
])
cur_mode
=
modes
.
next
()
cur_str_mode
=
str_modes
.
next
()
cv2
.
waitKey
()
def
update
(
dummy
=
None
):
sz
=
cv2
.
getTrackbarPos
(
'op/size'
,
'morphology'
)
iters
=
cv2
.
getTrackbarPos
(
'iters'
,
'morphology'
)
opers
=
cur_mode
.
split
(
'/'
)
if
len
(
opers
)
>
1
:
sz
=
sz
-
10
op
=
opers
[
sz
>
0
]
sz
=
abs
(
sz
)
else
:
op
=
opers
[
0
]
sz
=
sz
*
2
+
1
str_name
=
'MORPH_'
+
cur_str_mode
.
upper
()
oper_name
=
'MORPH_'
+
op
.
upper
()
st
=
cv2
.
getStructuringElement
(
getattr
(
cv2
,
str_name
),
(
sz
,
sz
))
res
=
cv2
.
morphologyEx
(
img
,
getattr
(
cv2
,
oper_name
),
st
,
iterations
=
iters
)
draw_str
(
res
,
(
10
,
20
),
'mode: '
+
cur_mode
)
draw_str
(
res
,
(
10
,
40
),
'operation: '
+
oper_name
)
draw_str
(
res
,
(
10
,
60
),
'structure: '
+
str_name
)
draw_str
(
res
,
(
10
,
80
),
'ksize: %d iters: %d'
%
(
sz
,
iters
))
cv2
.
imshow
(
'morphology'
,
res
)
cv2
.
namedWindow
(
'morphology'
)
cv2
.
createTrackbar
(
'op/size'
,
'morphology'
,
12
,
20
,
update
)
cv2
.
createTrackbar
(
'iters'
,
'morphology'
,
1
,
10
,
update
)
update
()
print
"Controls:"
print
" 1 - change operation"
print
" 2 - change structure element shape"
print
while
True
:
ch
=
cv2
.
waitKey
()
if
ch
==
27
:
break
if
ch
==
ord
(
'1'
):
cur_mode
=
modes
.
next
()
if
ch
==
ord
(
'2'
):
cur_str_mode
=
str_modes
.
next
()
update
()
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