#   Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserve.
#
# 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 paddle.trainer_config_helpers import *

settings(batch_size=1000, learning_rate=1e-5)

num_channels = 3
filter_size = 3
filter_size_y = 3
filter_size_z = 3
stride = 2
stride_y = 2
stride_z = 2
padding = 1
padding_y = 1
padding_z = 1
groups = 1

data = data_layer(
    name='data', size=12096 * num_channels, height=48, width=42, depth=6)

# first
deconv3d_1 = img_conv3d_layer(
    input=data,
    name='deconv3d_1',
    num_filters=16,
    num_channels=num_channels,
    filter_size=filter_size,
    stride=stride,
    padding=padding,
    groups=groups,
    bias_attr=True,
    shared_biases=True,
    trans=True,
    layer_type="deconv3d",
    act=LinearActivation())
# second
deconv3d_2 = img_conv3d_layer(
    input=data,
    name='deconv3d_2',
    num_filters=16,
    num_channels=num_channels,
    filter_size=[filter_size, filter_size_y, filter_size_z],
    stride=[stride, stride_y, stride_z],
    padding=[padding, padding_y, padding_z],
    groups=groups,
    bias_attr=True,
    shared_biases=True,
    trans=True,
    layer_type="deconv3d",
    act=LinearActivation())
outputs(deconv3d_2)
