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Paddle/python/paddle/fluid/tests/unittests/test_image_classification_l...

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# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
import unittest
import paddle.fluid as fluid
import paddle.fluid.nets as nets
from paddle.fluid.framework import Program
def conv_block(input, num_filter, groups, dropouts):
return nets.img_conv_group(
input=input,
pool_size=2,
pool_stride=2,
conv_num_filter=[num_filter] * groups,
conv_filter_size=3,
conv_act='relu',
conv_with_batchnorm=True,
conv_batchnorm_drop_rate=dropouts,
pool_type='max')
class TestLayer(unittest.TestCase):
def test_batch_norm_layer(self):
main_program = Program()
startup_program = Program()
with fluid.program_guard(main_program, startup_program):
images = fluid.layers.data(
name='pixel', shape=[3, 48, 48], dtype='float32')
hidden1 = fluid.layers.batch_norm(input=images)
hidden2 = fluid.layers.fc(input=hidden1, size=128, act='relu')
fluid.layers.batch_norm(input=hidden2)
print(str(main_program))
def test_dropout_layer(self):
main_program = Program()
startup_program = Program()
with fluid.program_guard(main_program, startup_program):
images = fluid.layers.data(
name='pixel', shape=[3, 48, 48], dtype='float32')
fluid.layers.dropout(x=images, dropout_prob=0.5)
print(str(main_program))
def test_img_conv_group(self):
main_program = Program()
startup_program = Program()
with fluid.program_guard(main_program, startup_program):
images = fluid.layers.data(
name='pixel', shape=[3, 48, 48], dtype='float32')
conv1 = conv_block(images, 64, 2, [0.3, 0])
conv_block(conv1, 256, 3, [0.4, 0.4, 0])
print(str(main_program))
def test_elementwise_add_with_act(self):
main_program = Program()
startup_program = Program()
with fluid.program_guard(main_program, startup_program):
image1 = fluid.layers.data(
name='pixel1', shape=[3, 48, 48], dtype='float32')
image2 = fluid.layers.data(
name='pixel2', shape=[3, 48, 48], dtype='float32')
fluid.layers.elementwise_add(x=image1, y=image2, act='relu')
print(main_program)
if __name__ == '__main__':
unittest.main()