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6d8aade8
编写于
12月 05, 2018
作者:
L
lujun
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
ses-3,fix review for pr-646,update ploter,test=develop
上级
c8857716
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
20 addition
and
30 deletion
+20
-30
03.image_classification/README.cn.md
03.image_classification/README.cn.md
+10
-15
03.image_classification/index.cn.html
03.image_classification/index.cn.html
+10
-15
未找到文件。
03.image_classification/README.cn.md
浏览文件 @
6d8aade8
...
...
@@ -396,8 +396,8 @@ def train_test(program, reader):
accumulated
=
len
([
avg_cost
,
acc
])
*
[
0
]
for
tid
,
test_data
in
enumerate
(
reader
()):
avg_cost_np
=
test_exe
.
run
(
program
=
program
,
feed
=
feeder_test
.
feed
(
test_data
),
fetch_list
=
[
avg_cost
,
acc
])
feed
=
feeder_test
.
feed
(
test_data
),
fetch_list
=
[
avg_cost
,
acc
])
accumulated
=
[
x
[
0
]
+
x
[
1
][
0
]
for
x
in
zip
(
accumulated
,
avg_cost_np
)]
count
+=
1
return
[
x
/
count
for
x
in
accumulated
]
...
...
@@ -412,11 +412,11 @@ def train_test(program, reader):
```
python
params_dirname
=
"image_classification_resnet.inference.model"
from
paddle.
v2
.plot
import
Ploter
from
paddle.
utils
.plot
import
Ploter
train_
title
=
"Train cost"
test_
title
=
"Test cost"
plot_cost
=
Ploter
(
test_
title
,
train_title
)
train_
prompt
=
"Train cost"
test_
prompt
=
"Test cost"
plot_cost
=
Ploter
(
test_
prompt
,
train_prompt
)
# main train loop.
def
train_loop
():
...
...
@@ -434,13 +434,13 @@ def train_loop():
feed
=
feeder
.
feed
(
data_train
),
fetch_list
=
[
avg_cost
,
acc
])
if
step
%
1
==
0
:
plot_cost
.
append
(
train_
title
,
step
,
avg_loss_value
[
0
])
plot_cost
.
append
(
train_
prompt
,
step
,
avg_loss_value
[
0
])
plot_cost
.
plot
()
step
+=
1
avg_cost_test
,
accuracy_test
=
train_test
(
test_program
,
reader
=
test_reader
)
plot_cost
.
append
(
test_
title
,
step
,
avg_cost_test
)
plot_cost
.
append
(
test_
prompt
,
step
,
avg_cost_test
)
# save parameters
if
params_dirname
is
not
None
:
...
...
@@ -485,23 +485,18 @@ Test with Pass 0, Loss 1.1, Acc 0.6
### 生成预测输入数据
`dog.png`
is an example image of a dog. Turn it into an numpy array to match the data feeder format.
### 生成预测输入数据
`dog.png`
is an example image of a dog. Turn it into an numpy array to match the data feeder format.
`dog.png`
是一张小狗的图片. 我们将它转换成
`numpy`
数组以满足
`feeder`
的格式.
```
python
# Prepare testing data.
from
PIL
import
Image
import
numpy
as
np
import
os
def
load_image
(
file
):
im
=
Image
.
open
(
file
)
im
=
im
.
resize
((
32
,
32
),
Image
.
ANTIALIAS
)
im
=
n
p
.
array
(
im
).
astype
(
np
.
float32
)
im
=
n
umpy
.
array
(
im
).
astype
(
numpy
.
float32
)
# The storage order of the loaded image is W(width),
# H(height), C(channel). PaddlePaddle requires
# the CHW order, so transpose them.
...
...
03.image_classification/index.cn.html
浏览文件 @
6d8aade8
...
...
@@ -438,8 +438,8 @@ def train_test(program, reader):
accumulated = len([avg_cost, acc]) * [0]
for tid, test_data in enumerate(reader()):
avg_cost_np = test_exe.run(program=program,
feed=feeder_test.feed(test_data),
fetch_list=[avg_cost, acc])
feed=feeder_test.feed(test_data),
fetch_list=[avg_cost, acc])
accumulated = [x[0] + x[1][0] for x in zip(accumulated, avg_cost_np)]
count += 1
return [x / count for x in accumulated]
...
...
@@ -454,11 +454,11 @@ def train_test(program, reader):
```python
params_dirname = "image_classification_resnet.inference.model"
from paddle.
v2
.plot import Ploter
from paddle.
utils
.plot import Ploter
train_
title
= "Train cost"
test_
title
= "Test cost"
plot_cost = Ploter(test_
title,train_title
)
train_
prompt
= "Train cost"
test_
prompt
= "Test cost"
plot_cost = Ploter(test_
prompt,train_prompt
)
# main train loop.
def train_loop():
...
...
@@ -476,13 +476,13 @@ def train_loop():
feed=feeder.feed(data_train),
fetch_list=[avg_cost, acc])
if step % 1 == 0:
plot_cost.append(train_
title
, step, avg_loss_value[0])
plot_cost.append(train_
prompt
, step, avg_loss_value[0])
plot_cost.plot()
step += 1
avg_cost_test, accuracy_test = train_test(test_program,
reader=test_reader)
plot_cost.append(test_
title
, step, avg_cost_test)
plot_cost.append(test_
prompt
, step, avg_cost_test)
# save parameters
if params_dirname is not None:
...
...
@@ -527,23 +527,18 @@ Test with Pass 0, Loss 1.1, Acc 0.6
### 生成预测输入数据
`dog.png` is an example image of a dog. Turn it into an numpy array to match the data feeder format.
### 生成预测输入数据
`dog.png` is an example image of a dog. Turn it into an numpy array to match the data feeder format.
`dog.png` 是一张小狗的图片. 我们将它转换成 `numpy` 数组以满足`feeder`的格式.
```python
# Prepare testing data.
from PIL import Image
import numpy as np
import os
def load_image(file):
im = Image.open(file)
im = im.resize((32, 32), Image.ANTIALIAS)
im = n
p.array(im).astype(np
.float32)
im = n
umpy.array(im).astype(numpy
.float32)
# The storage order of the loaded image is W(width),
# H(height), C(channel). PaddlePaddle requires
# the CHW order, so transpose them.
...
...
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