m53297601
/
mindspore
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

modify conv3d and conv3dtranspose for unet3d

Browse Source
pull/14410/head
lilei 4 years ago
parent f47767b361
commit fc182bf315
3 changed files with 12 additions and 103 deletions
Show Stats Download Patch File Download Diff File

1
model_zoo/official/cv/unet3d/README.md
Unescape View File

@ -102,7 +102,6 @@ python eval.py --data_url=/path/to/data/ --seg_url=/path/to/segment/ --ckpt_path
│ ├──transform.py // handle dataset
│ ├──convert_nifti.py // convert dataset
│ ├──loss.py // loss
│ ├──conv.py // conv components
│ ├──utils.py // General components (callback function)
│ ├──unet3d_model.py // Unet3D model
│ ├──unet3d_parts.py // Unet3D part

90
model_zoo/official/cv/unet3d/src/conv.py
Unescape View File

@ -1,90 +0,0 @@
# Copyright 2021 Huawei Technologies Co., Ltd
#
# 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
#
# less 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.
# ============================================================================
import mindspore.nn as nn
from mindspore import Parameter
from mindspore import dtype as mstype
from mindspore.ops import operations as P
from mindspore.ops.operations import nn_ops as nps
from mindspore.common.initializer import initializer
def weight_variable(shape):
init_value = initializer('Normal', shape, mstype.float32)
return Parameter(init_value)
class Conv3D(nn.Cell):
def __init__(self,
in_channel,
out_channel,
kernel_size,
mode=1,
pad_mode="valid",
pad=0,
stride=1,
dilation=1,
group=1,
data_format="NCDHW",
bias_init="zeros",
has_bias=True):
super().__init__()
self.weight_shape = (out_channel, in_channel, kernel_size[0], kernel_size[1], kernel_size[2])
self.weight = weight_variable(self.weight_shape)
self.conv = nps.Conv3D(out_channel=out_channel, kernel_size=kernel_size, mode=mode, \
pad_mode=pad_mode, pad=pad, stride=stride, dilation=dilation, \
group=group, data_format=data_format)
self.bias_init = bias_init
self.has_bias = has_bias
self.bias_add = P.BiasAdd(data_format=data_format)
if self.has_bias:
self.bias = Parameter(initializer(self.bias_init, [out_channel]), name='bias')
def construct(self, x):
output = self.conv(x, self.weight)
if self.has_bias:
output = self.bias_add(output, self.bias)
return output
class Conv3DTranspose(nn.Cell):
def __init__(self,
in_channel,
out_channel,
kernel_size,
mode=1,
pad=0,
stride=1,
dilation=1,
group=1,
output_padding=0,
data_format="NCDHW",
bias_init="zeros",
has_bias=True):
super().__init__()
self.weight_shape = (in_channel, out_channel, kernel_size[0], kernel_size[1], kernel_size[2])
self.weight = weight_variable(self.weight_shape)
self.conv_transpose = nps.Conv3DTranspose(in_channel=in_channel, out_channel=out_channel,\
kernel_size=kernel_size, mode=mode, pad=pad, stride=stride, \
dilation=dilation, group=group, output_padding=output_padding, \
data_format=data_format)
self.bias_init = bias_init
self.has_bias = has_bias
self.bias_add = P.BiasAdd(data_format=data_format)
if self.has_bias:
self.bias = Parameter(initializer(self.bias_init, [out_channel]), name='bias')
def construct(self, x):
output = self.conv_transpose(x, self.weight)
if self.has_bias:
output = self.bias_add(output, self.bias)
return output

24
model_zoo/official/cv/unet3d/src/unet3d_parts.py
Unescape View File

@ -16,7 +16,6 @@
import mindspore.nn as nn
from mindspore import dtype as mstype
from mindspore.ops import operations as P
from src.conv import Conv3D, Conv3DTranspose
class BatchNorm3d(nn.Cell):
def __init__(self, num_features):
@ -39,22 +38,22 @@ class ResidualUnit(nn.Cell):
self.down = down
self.in_channel = in_channel
self.out_channel = out_channel
self.down_conv_1 = Conv3D(in_channel, out_channel, kernel_size=(3, 3, 3), \
pad_mode="pad", stride=self.stride, pad=1)
self.down_conv_1 = nn.Conv3d(in_channel, out_channel, kernel_size=(3, 3, 3), \
pad_mode="pad", stride=self.stride, padding=1)
self.is_output = is_output
if not is_output:
self.batchNormal1 = BatchNorm3d(num_features=self.out_channel)
self.relu1 = nn.PReLU()
if self.down:
self.down_conv_2 = Conv3D(out_channel, out_channel, kernel_size=(3, 3, 3), \
pad_mode="pad", stride=1, pad=1)
self.down_conv_2 = nn.Conv3d(out_channel, out_channel, kernel_size=(3, 3, 3), \
pad_mode="pad", stride=1, padding=1)
self.relu2 = nn.PReLU()
if kernel_size[0] == 1:
self.residual = Conv3D(in_channel, out_channel, kernel_size=(1, 1, 1), \
pad_mode="valid", stride=self.stride)
self.residual = nn.Conv3d(in_channel, out_channel, kernel_size=(1, 1, 1), \
pad_mode="valid", stride=self.stride)
else:
self.residual = Conv3D(in_channel, out_channel, kernel_size=(3, 3, 3), \
pad_mode="pad", stride=self.stride, pad=1)
self.residual = nn.Conv3d(in_channel, out_channel, kernel_size=(3, 3, 3), \
pad_mode="pad", stride=self.stride, padding=1)
self.batchNormal2 = BatchNorm3d(num_features=self.out_channel)
@ -93,9 +92,10 @@ class Up(nn.Cell):
self.down_in_channel = down_in_channel
self.out_channel = out_channel
self.stride = stride
self.conv3d_transpose = Conv3DTranspose(in_channel=self.in_channel + self.down_in_channel, \
pad=1, out_channel=self.out_channel, kernel_size=(3, 3, 3), \
stride=self.stride, output_padding=(1, 1, 1))
self.conv3d_transpose = nn.Conv3dTranspose(in_channels=self.in_channel + self.down_in_channel, \
out_channels=self.out_channel, kernel_size=(3, 3, 3), \
pad_mode="pad", stride=self.stride, \
output_padding=(1, 1, 1), padding=1)
self.concat = P.Concat(axis=1)
self.conv = ResidualUnit(self.out_channel, self.out_channel, stride=1, down=False, \

Write Preview
Loading…
Cancel
Save