init

backend/ppocr/modeling/backbones/__init__.py

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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" or model_type == "table":
+        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_resnet_31 import ResNet31
+        from .rec_resnet_aster import ResNet_ASTER
+        from .rec_micronet import MicroNet
+        from .rec_efficientb3_pren import EfficientNetb3_PREN
+        from .rec_svtrnet import SVTRNet
+        support_dict = [
+            'MobileNetV1Enhance', 'MobileNetV3', 'ResNet', 'ResNetFPN', 'MTB',
+            "ResNet31", "ResNet_ASTER", 'MicroNet', 'EfficientNetb3_PREN',
+            'SVTRNet'
+        ]
+    elif model_type == "e2e":
+        from .e2e_resnet_vd_pg import ResNet
+        support_dict = ['ResNet']
+    elif model_type == 'kie':
+        from .kie_unet_sdmgr import Kie_backbone
+        support_dict = ['Kie_backbone']
+    elif model_type == "table":
+        from .table_resnet_vd import ResNet
+        from .table_mobilenet_v3 import MobileNetV3
+        support_dict = ["ResNet", "MobileNetV3"]
+    elif model_type == 'vqa':
+        from .vqa_layoutlm import LayoutLMForSer, LayoutLMv2ForSer, LayoutLMv2ForRe, LayoutXLMForSer, LayoutXLMForRe
+        support_dict = [
+            "LayoutLMForSer", "LayoutLMv2ForSer", 'LayoutLMv2ForRe',
+            "LayoutXLMForSer", 'LayoutXLMForRe'
+        ]
+    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