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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.
import copy
import paddle
import paddle.nn as nn
# basic_loss
from .basic_loss import LossFromOutput
# det loss
from .det_db_loss import DBLoss
from .det_east_loss import EASTLoss
from .det_sast_loss import SASTLoss
from .det_pse_loss import PSELoss
from .det_fce_loss import FCELoss
from .det_ct_loss import CTLoss
from .det_drrg_loss import DRRGLoss
# rec loss
from .rec_ctc_loss import CTCLoss
from .rec_att_loss import AttentionLoss
from .rec_srn_loss import SRNLoss
from .rec_ce_loss import CELoss
from .rec_sar_loss import SARLoss
from .rec_aster_loss import AsterLoss
from .rec_pren_loss import PRENLoss
from .rec_multi_loss import MultiLoss
from .rec_vl_loss import VLLoss
from .rec_spin_att_loss import SPINAttentionLoss
from .rec_rfl_loss import RFLLoss
from .rec_can_loss import CANLoss
# cls loss
from .cls_loss import ClsLoss
# e2e loss
from .e2e_pg_loss import PGLoss
from .kie_sdmgr_loss import SDMGRLoss
# basic loss function
from .basic_loss import DistanceLoss
# combined loss function
from .combined_loss import CombinedLoss
# table loss
from .table_att_loss import TableAttentionLoss, SLALoss
from .table_master_loss import TableMasterLoss
# vqa token loss
from .vqa_token_layoutlm_loss import VQASerTokenLayoutLMLoss
# sr loss
from .stroke_focus_loss import StrokeFocusLoss
from .text_focus_loss import TelescopeLoss
def build_loss(config):
support_dict = [
'DBLoss', 'PSELoss', 'EASTLoss', 'SASTLoss', 'FCELoss', 'CTCLoss',
'ClsLoss', 'AttentionLoss', 'SRNLoss', 'PGLoss', 'CombinedLoss',
'CELoss', 'TableAttentionLoss', 'SARLoss', 'AsterLoss', 'SDMGRLoss',
'VQASerTokenLayoutLMLoss', 'LossFromOutput', 'PRENLoss', 'MultiLoss',
'TableMasterLoss', 'SPINAttentionLoss', 'VLLoss', 'StrokeFocusLoss',
'SLALoss', 'CTLoss', 'RFLLoss', 'DRRGLoss', 'CANLoss', 'TelescopeLoss'
]
config = copy.deepcopy(config)
module_name = config.pop('name')
assert module_name in support_dict, Exception('loss only support {}'.format(
support_dict))
module_class = eval(module_name)(**config)
return module_class
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