PaddleOCR/ppocr/modeling/backbones/__init__.py

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Python
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# Copyright (c) 2020 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.
__all__ = ["build_backbone"]
def build_backbone(config, model_type):
if model_type == "det":
from .det_mobilenet_v3 import MobileNetV3
from .det_resnet_vd import ResNet
from .det_resnet_vd_sast import ResNet_SAST
support_dict = ["MobileNetV3", "ResNet", "ResNet_SAST"]
elif model_type == "rec" or model_type == "cls":
from .rec_mobilenet_v3 import MobileNetV3
from .rec_resnet_vd import ResNet
from .rec_resnet_fpn import ResNetFPN
from .rec_mv1_enhance import MobileNetV1Enhance
from .rec_nrtr_mtb import MTB
from .rec_swin import SwinTransformer
support_dict = ['MobileNetV1Enhance', 'MobileNetV3', 'ResNet', 'ResNetFPN', 'MTB', 'SwinTransformer']
elif model_type == "e2e":
from .e2e_resnet_vd_pg import ResNet
support_dict = ["ResNet"]
elif model_type == "table":
from .table_resnet_vd import ResNet
from .table_mobilenet_v3 import MobileNetV3
support_dict = ["ResNet", "MobileNetV3"]
else:
raise NotImplementedError
module_name = config.pop("name")
assert module_name in support_dict, Exception(
"when model typs is {}, backbone only support {}".format(model_type,
support_dict))
module_class = eval(module_name)(**config)
return module_class