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submodule
opencv
Commits
27c7ef28
Commit
27c7ef28
authored
Jun 29, 2017
by
Vadim Pisarevsky
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Merge pull request #9020 from arrybn:fix_googlenet_python_sample
parents
ac49a17a
b8b80474
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4 additions
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15 deletions
+4
-15
googlenet_python.py
samples/dnn/googlenet_python.py
+4
-15
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samples/dnn/googlenet_python.py
View file @
27c7ef28
...
...
@@ -4,31 +4,21 @@ import cv2
from
cv2
import
dnn
import
timeit
def
prepare_image
(
img
):
img
=
cv2
.
resize
(
img
,
(
224
,
224
))
#convert interleaved image (RGBRGB) to planar(RRGGBB)
blob
=
np
.
moveaxis
(
img
,
2
,
0
)
blob
=
np
.
reshape
(
blob
.
astype
(
np
.
float32
),
(
-
1
,
3
,
224
,
224
))
return
blob
def
timeit_forward
(
net
):
print
(
"OpenCL:"
,
cv2
.
ocl
.
useOpenCL
())
print
(
"Runtime:"
,
timeit
.
timeit
(
lambda
:
net
.
forward
(),
number
=
10
))
def
get_class_list
():
with
open
(
'synset_words.txt'
,
'rt'
)
as
f
:
return
[
x
[
x
.
find
(
" "
)
+
1
:]
for
x
in
f
]
return
[
x
[
x
.
find
(
" "
)
+
1
:]
for
x
in
f
]
blob
=
prepare_image
(
cv2
.
imread
(
'space_shuttle.jpg'
))
blob
=
dnn
.
blobFromImage
(
cv2
.
imread
(
'space_shuttle.jpg'
),
1
,
(
224
,
224
),
(
104
,
117
,
123
))
print
(
"Input:"
,
blob
.
shape
,
blob
.
dtype
)
cv2
.
ocl
.
setUseOpenCL
(
True
)
#Disable OCL if you want
net
=
dnn
.
readNetFromCaffe
(
'bvlc_googlenet.prototxt'
,
'bvlc_googlenet.caffemodel'
)
net
.
set
Blob
(
".data"
,
blob
)
net
.
forward
()
net
.
set
Input
(
blob
)
prob
=
net
.
forward
()
#timeit_forward(net) #Uncomment to check performance
prob
=
net
.
getBlob
(
"prob"
)
print
(
"Output:"
,
prob
.
shape
,
prob
.
dtype
)
classes
=
get_class_list
()
print
(
"Best match"
,
classes
[
prob
.
argmax
()])
\ No newline at end of file
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