DeepLearningExamples/TensorFlow/Segmentation/VNet/export.py
Przemek Strzelczyk b4aef9945b Adding VNet/TF
2019-12-02 15:57:25 +01:00

107 lines
3.8 KiB
Python

# Copyright (c) 2019, NVIDIA CORPORATION. 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.
import argparse
import tensorflow as tf
from utils.data_loader import MSDDataset
from utils.model_fn import vnet_v2
from utils.tf_export import to_savedmodel, to_tf_trt, to_onnx
PARSER = argparse.ArgumentParser(description="V-Net")
PARSER.add_argument('--to', dest='to', choices=['savedmodel', 'tftrt', 'onnx'], required=True)
PARSER.add_argument('--use_amp', dest='use_amp', action='store_true', default=False)
PARSER.add_argument('--use_xla', dest='use_xla', action='store_true', default=False)
PARSER.add_argument('--compress', dest='compress', action='store_true', default=False)
PARSER.add_argument('--input_shape',
nargs='+',
type=int,
help="""Model's input shape""")
PARSER.add_argument('--data_dir',
type=str,
help="""Directory where the dataset is located""")
PARSER.add_argument('--checkpoint_dir',
type=str,
help="""Directory where the checkpoint is located""")
PARSER.add_argument('--savedmodel_dir',
type=str,
help="""Directory where the savedModel is located""")
PARSER.add_argument('--precision',
type=str,
choices=['FP32', 'FP16', 'INT8'],
help="""Precision for the model""")
def main():
"""
Starting point of the application
"""
flags = PARSER.parse_args()
if flags.to == 'savedmodel':
params = {
'labels': ['0', '1', '2'],
'batch_size': 1,
'input_shape': flags.input_shape,
'convolution_size': 3,
'downscale_blocks': [3, 3, 3],
'upscale_blocks': [3, 3],
'upsampling': 'transposed_conv',
'pooling': 'conv_pool',
'normalization_layer': 'batchnorm',
'activation': 'relu'
}
to_savedmodel(input_shape=flags.input_shape,
model_fn=vnet_v2,
checkpoint_dir=flags.checkpoint_dir,
output_dir='./saved_model',
input_names=['IteratorGetNext'],
output_names=['vnet/loss/total_loss_ref'],
use_amp=flags.use_amp,
use_xla=flags.use_xla,
compress=flags.compress,
params=argparse.Namespace(**params))
if flags.to == 'tftrt':
ds = MSDDataset(json_path=flags.data_dir + "/dataset.json",
interpolator='linear')
iterator = ds.test_fn(count=1).make_one_shot_iterator()
features = iterator.get_next()
sess = tf.Session()
def input_data():
return {'input_tensor:0': sess.run(features)}
to_tf_trt(savedmodel_dir=flags.savedmodel_dir,
output_dir='./tf_trt_model',
precision=flags.precision,
feed_dict_fn=input_data,
num_runs=1,
output_tensor_names=['vnet/Softmax:0'],
compress=flags.compress)
if flags.to == 'onnx':
raise NotImplementedError('Currently ONNX not supported for 3D models')
if __name__ == '__main__':
main()