Add copyright and open-source attribution headers

.gitignore

@@ -137,3 +137,6 @@ dmypy.json
 
 # mindspore compile related
 rank_*/
+
+# DS_Store (MacOS)
+.DS_Store

deploy/py_infer/src/data_process/postprocess/det_db_postprocess.py

@@ -1,3 +1,20 @@
+# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+#
+# This code is adapted from https://github.com/PaddlePaddle/PaddleOCR
+# with modifications to run on MindSpore.
+#
+# 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 logging
 import os
 import sys

deploy/py_infer/src/data_process/postprocess/det_east_postprocess.py

@@ -1,3 +1,20 @@
+# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+#
+# This code is adapted from https://github.com/PaddlePaddle/PaddleOCR
+# with modifications to run on MindSpore.
+#
+# 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 os
 import sys
 

deploy/py_infer/src/data_process/postprocess/det_sast_postprocess.py

@@ -1,3 +1,20 @@
+# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+#
+# This code is adapted from https://github.com/PaddlePaddle/PaddleOCR
+# with modifications to run on MindSpore.
+#
+# 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 os
 import sys
 from typing import Tuple

mindocr/data/layout_dataset.py

@@ -1,3 +1,8 @@
+# This code is adapted from https://github.com/ultralytics/yolov5
+# with modifications to run on MindSpore.
+
+# Ultralytics 🚀 AGPL-3.0 License - https://ultralytics.com/license
+
 import glob
 import hashlib
 import json

mindocr/data/transforms/rec_abinet_transforms.py

@@ -1,3 +1,6 @@
+# This code is adapted from https://github.com/FangShancheng/ABINet
+# with modifications to run on MindSpore.
+
 """
 transform for text recognition tasks.
 """

mindocr/data/transforms/rec_transforms.py

@@ -1,3 +1,19 @@
+# copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
+#
+# This code is adapted from https://github.com/PaddlePaddle/PaddleOCR
+# with modifications to run on MindSpore.
+#
+# 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.
 """
 transform for text recognition tasks.
 """

mindocr/data/transforms/svtr_transform.py

@@ -1,3 +1,19 @@
+# copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
+#
+# This code is adapted from https://github.com/PaddlePaddle/PaddleOCR
+# with modifications to run on MindSpore.
+#
+# 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 logging
 import math

mindocr/data/transforms/table_transform.py

@@ -1,3 +1,20 @@
+# copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
+#
+# This code is adapted from https://github.com/PaddlePaddle/PaddleOCR
+# with modifications to run on MindSpore.
+#
+# 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 logging
 
 import cv2

mindocr/models/backbones/blocks/magca.py

@@ -1,3 +1,6 @@
+# This code is adapted from https://github.com/JiaquanYe/TableMASTER-mmocr
+# with modifications to run on MindSpore.
+
 import mindspore.nn as nn
 import mindspore.ops as ops
 from mindspore import Tensor

mindocr/models/backbones/layoutlmv3/layoutlmv3.py

@@ -637,6 +637,8 @@ def construct(
         return (sequence_output,) + encoder_outputs[1:]
 
 
+# This code is adapted from
+# https://github.com/facebookresearch/detectron2/blob/main/detectron2/modeling/backbone/fpn.py
 class FPNForLayout(FPN):
     def __init__(self,
                  bottom_up,

mindocr/models/backbones/layoutxlm/configuration.py

@@ -1,3 +1,20 @@
+# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+#
+# This code is adapted from https://github.com/PaddlePaddle/PaddleNLP
+# with modifications to run on MindSpore.
+#
+# 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.
+
 from dataclasses import dataclass
 
 

mindocr/models/backbones/layoutxlm/resnet.py

@@ -1,3 +1,8 @@
+# This code is adapted from https://github.com/facebookresearch/detectron2
+# with modifications to run on MindSpore.
+
+# Copyright (c) Facebook, Inc. and its affiliates.
+
 from dataclasses import dataclass
 from typing import Optional
 

mindocr/models/backbones/layoutxlm/tokenizer.py

@@ -1,3 +1,21 @@
+# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
+# Copyright 2018 The Google AI Language Team Authors and The HuggingFace Inc. team.
+#
+# This code is adapted from https://github.com/PaddlePaddle/PaddleNLP
+# with modifications to run on MindSpore.
+#
+# 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.
+
 from typing import List, Optional
 
 import sentencepiece as spm

mindocr/models/backbones/layoutxlm/tokenizer_utils.py

@@ -1,3 +1,22 @@
+# Copyright 2018 The Google AI Language Team Authors and The HuggingFace Inc. team.
+# Copyright (c) 2018, NVIDIA CORPORATION.  All rights reserved.
+# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+#
+# This code is adapted from https://github.com/PaddlePaddle/PaddleNLP
+# with modifications to run on MindSpore.
+#
+# 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 bisect
 import io
 import itertools

mindocr/models/backbones/layoutxlm/tokenizer_utils_base.py

@@ -1,3 +1,22 @@
+# Copyright 2018 The Google AI Language Team Authors and The HuggingFace Inc. team.
+# Copyright (c) 2018, NVIDIA CORPORATION. All Rights Reserved.
+# Copyright (c) 2020, PaddlePaddle Authors. All Rights Reserved.
+#
+# This code is adapted from https://github.com/PaddlePaddle/PaddleNLP
+# with modifications to run on MindSpore.
+#
+# 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 io
 import json

mindocr/models/backbones/layoutxlm/utils.py

@@ -1,3 +1,20 @@
+# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+#
+# This code is adapted from https://github.com/PaddlePaddle/PaddleNLP
+# with modifications to run on MindSpore.
+#
+# 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 functools
 import inspect
 import os

mindocr/models/backbones/layoutxlm/visual_backbone.py

@@ -1,3 +1,8 @@
+# This code is adapted from https://github.com/facebookresearch/detectron2
+# with modifications to run on MindSpore.
+
+# Copyright (c) Facebook, Inc. and its affiliates.
+
 import math
 import os
 

mindocr/models/backbones/layoutxlm/vocab.py

@@ -1,3 +1,20 @@
+# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+#
+# This code is adapted from https://github.com/PaddlePaddle/PaddleNLP
+# with modifications to run on MindSpore.
+#
+# 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 collections
 import io
 import json

mindocr/models/backbones/mindcv_models/coat.py

@@ -1,5 +1,12 @@
+# This code is adapted from https://github.com/huggingface/pytorch-image-models
+# with modifications to run on MindSpore.
 """
 CoaT architecture.
+
+Paper: Co-Scale Conv-Attentional Image Transformers - https://arxiv.org/abs/2104.06399
+
+Official CoaT code at: https://github.com/mlpc-ucsd/CoaT
+
 Modified from timm/models/vision_transformer.py
 """
 from typing import Union

mindocr/models/backbones/mindcv_models/crossvit.py

@@ -1,7 +1,27 @@
+# This code is adapted from https://github.com/huggingface/pytorch-image-models
+# with modifications to run on MindSpore.
+
+""" CrossViT Model
+
+@inproceedings{
+    chen2021crossvit,
+    title={{CrossViT: Cross-Attention Multi-Scale Vision Transformer for Image Classification}},
+    author={Chun-Fu (Richard) Chen and Quanfu Fan and Rameswar Panda},
+    booktitle={International Conference on Computer Vision (ICCV)},
+    year={2021}
+}
+
+Paper link: https://arxiv.org/abs/2103.14899
+Original code: https://github.com/IBM/CrossViT/blob/main/models/crossvit.py
+
+NOTE: model names have been renamed from originals to represent actual input res all *_224 -> *_240 and *_384 -> *_408
+
+Modifications and additions for timm hacked together by / Copyright 2021, Ross Wightman
+Modified from Timm. https://github.com/rwightman/pytorch-image-models/blob/master/timm/models/vision_transformer.py
 """
-MindSpore implementation of `crossvit`.
-Refer to crossvit: Cross-Attention Multi-Scale Vision Transformer for Image Classification
-"""
+
+# Copyright IBM All Rights Reserved.
+# SPDX-License-Identifier: Apache-2.0
 
 import numpy as np
 

mindocr/models/backbones/mindcv_models/densenet.py

@@ -1,6 +1,9 @@
-"""
-MindSpore implementation of `DenseNet`.
-Refer to: Densely Connected Convolutional Networks
+# This code is adapted from https://github.com/huggingface/pytorch-image-models
+# with modifications to run on MindSpore.
+
+"""Pytorch Densenet implementation w/ tweaks
+This file is a copy of https://github.com/pytorch/vision 'densenet.py' (BSD-3-Clause) with
+fixed kwargs passthrough and addition of dynamic global avg/max pool.
 """
 
 import math