diff --git a/.dev/gather_models.py b/.dev/gather_models.py
index 1899195d7d..0db26a55e4 100644
--- a/.dev/gather_models.py
+++ b/.dev/gather_models.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 import glob
 import json
diff --git a/.dev/md2yml.py b/.dev/md2yml.py
index 36c82ff742..3f118c12a2 100755
--- a/.dev/md2yml.py
+++ b/.dev/md2yml.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 
+# Copyright (c) OpenMMLab. All rights reserved.
 # This tool is used to update model-index.yml which is required by MIM, and
 # will be automatically called as a pre-commit hook. The updating will be
 # triggered if any change of model information (.md files in configs/) has been
diff --git a/.dev/upload_modelzoo.py b/.dev/upload_modelzoo.py
index bd78bc41e6..303c80d2e3 100644
--- a/.dev/upload_modelzoo.py
+++ b/.dev/upload_modelzoo.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 import os
 import os.path as osp
diff --git a/demo/image_demo.py b/demo/image_demo.py
index 2698e422eb..05e1a79130 100644
--- a/demo/image_demo.py
+++ b/demo/image_demo.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from argparse import ArgumentParser
 
 from mmseg.apis import inference_segmentor, init_segmentor, show_result_pyplot
diff --git a/docs/conf.py b/docs/conf.py
index 758b5ff8ff..aaea4244b2 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 # Configuration file for the Sphinx documentation builder.
 #
 # This file only contains a selection of the most common options. For a full
diff --git a/docs/stat.py b/docs/stat.py
index 941296d1f5..eef00af6ac 100755
--- a/docs/stat.py
+++ b/docs/stat.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+# Copyright (c) OpenMMLab. All rights reserved.
 import functools as func
 import glob
 import os.path as osp
diff --git a/docs_zh-CN/conf.py b/docs_zh-CN/conf.py
index 72c8c5210c..ed5eb523f7 100644
--- a/docs_zh-CN/conf.py
+++ b/docs_zh-CN/conf.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 # Configuration file for the Sphinx documentation builder.
 #
 # This file only contains a selection of the most common options. For a full
diff --git a/docs_zh-CN/stat.py b/docs_zh-CN/stat.py
index dc7c90f411..955bee856d 100755
--- a/docs_zh-CN/stat.py
+++ b/docs_zh-CN/stat.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+# Copyright (c) OpenMMLab. All rights reserved.
 import functools as func
 import glob
 import os.path as osp
diff --git a/mmseg/__init__.py b/mmseg/__init__.py
index 317622c924..08c810257b 100644
--- a/mmseg/__init__.py
+++ b/mmseg/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import warnings
 
 import mmcv
diff --git a/mmseg/apis/__init__.py b/mmseg/apis/__init__.py
index 170724be38..ba5ab7736c 100644
--- a/mmseg/apis/__init__.py
+++ b/mmseg/apis/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from .inference import inference_segmentor, init_segmentor, show_result_pyplot
 from .test import multi_gpu_test, single_gpu_test
 from .train import get_root_logger, set_random_seed, train_segmentor
diff --git a/mmseg/apis/inference.py b/mmseg/apis/inference.py
index bf875cb262..906943804d 100644
--- a/mmseg/apis/inference.py
+++ b/mmseg/apis/inference.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import matplotlib.pyplot as plt
 import mmcv
 import torch
diff --git a/mmseg/apis/test.py b/mmseg/apis/test.py
index 0034159689..fb0bb93619 100644
--- a/mmseg/apis/test.py
+++ b/mmseg/apis/test.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import os.path as osp
 import tempfile
 
diff --git a/mmseg/apis/train.py b/mmseg/apis/train.py
index e1e771b697..fe85e9116a 100644
--- a/mmseg/apis/train.py
+++ b/mmseg/apis/train.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import random
 import warnings
 
diff --git a/mmseg/core/__init__.py b/mmseg/core/__init__.py
index 9656055872..402278618e 100644
--- a/mmseg/core/__init__.py
+++ b/mmseg/core/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from .evaluation import *  # noqa: F401, F403
 from .seg import *  # noqa: F401, F403
 from .utils import *  # noqa: F401, F403
diff --git a/mmseg/core/evaluation/__init__.py b/mmseg/core/evaluation/__init__.py
index f7cc4b2341..237cf24769 100644
--- a/mmseg/core/evaluation/__init__.py
+++ b/mmseg/core/evaluation/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from .class_names import get_classes, get_palette
 from .eval_hooks import DistEvalHook, EvalHook
 from .metrics import eval_metrics, mean_dice, mean_fscore, mean_iou
diff --git a/mmseg/core/evaluation/class_names.py b/mmseg/core/evaluation/class_names.py
index 0d8e66d54b..4527fbaf17 100644
--- a/mmseg/core/evaluation/class_names.py
+++ b/mmseg/core/evaluation/class_names.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import mmcv
 
 
diff --git a/mmseg/core/evaluation/eval_hooks.py b/mmseg/core/evaluation/eval_hooks.py
index 928f2ba612..a2f08d7750 100644
--- a/mmseg/core/evaluation/eval_hooks.py
+++ b/mmseg/core/evaluation/eval_hooks.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import os.path as osp
 
 import torch.distributed as dist
diff --git a/mmseg/core/evaluation/metrics.py b/mmseg/core/evaluation/metrics.py
index a216afefe6..3c5f63fb4b 100644
--- a/mmseg/core/evaluation/metrics.py
+++ b/mmseg/core/evaluation/metrics.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from collections import OrderedDict
 
 import mmcv
diff --git a/mmseg/core/seg/__init__.py b/mmseg/core/seg/__init__.py
index 93bc129b68..5206b96be6 100644
--- a/mmseg/core/seg/__init__.py
+++ b/mmseg/core/seg/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from .builder import build_pixel_sampler
 from .sampler import BasePixelSampler, OHEMPixelSampler
 
diff --git a/mmseg/core/seg/builder.py b/mmseg/core/seg/builder.py
index f5a117ce7b..1cecd347bf 100644
--- a/mmseg/core/seg/builder.py
+++ b/mmseg/core/seg/builder.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from mmcv.utils import Registry, build_from_cfg
 
 PIXEL_SAMPLERS = Registry('pixel sampler')
diff --git a/mmseg/core/seg/sampler/__init__.py b/mmseg/core/seg/sampler/__init__.py
index 332b242c03..5a7648564a 100644
--- a/mmseg/core/seg/sampler/__init__.py
+++ b/mmseg/core/seg/sampler/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from .base_pixel_sampler import BasePixelSampler
 from .ohem_pixel_sampler import OHEMPixelSampler
 
diff --git a/mmseg/core/seg/sampler/base_pixel_sampler.py b/mmseg/core/seg/sampler/base_pixel_sampler.py
index b75b1566c9..03672cd478 100644
--- a/mmseg/core/seg/sampler/base_pixel_sampler.py
+++ b/mmseg/core/seg/sampler/base_pixel_sampler.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from abc import ABCMeta, abstractmethod
 
 
diff --git a/mmseg/core/seg/sampler/ohem_pixel_sampler.py b/mmseg/core/seg/sampler/ohem_pixel_sampler.py
index 88bb10d440..bcd481a965 100644
--- a/mmseg/core/seg/sampler/ohem_pixel_sampler.py
+++ b/mmseg/core/seg/sampler/ohem_pixel_sampler.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn.functional as F
 
diff --git a/mmseg/core/utils/__init__.py b/mmseg/core/utils/__init__.py
index f2678b321c..be9de558d4 100644
--- a/mmseg/core/utils/__init__.py
+++ b/mmseg/core/utils/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from .misc import add_prefix
 
 __all__ = ['add_prefix']
diff --git a/mmseg/core/utils/misc.py b/mmseg/core/utils/misc.py
index eb862a82bd..282bb8d969 100644
--- a/mmseg/core/utils/misc.py
+++ b/mmseg/core/utils/misc.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 def add_prefix(inputs, prefix):
     """Add prefix for dict.
 
diff --git a/mmseg/datasets/__init__.py b/mmseg/datasets/__init__.py
index ebeaef4a28..bdea832485 100644
--- a/mmseg/datasets/__init__.py
+++ b/mmseg/datasets/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from .ade import ADE20KDataset
 from .builder import DATASETS, PIPELINES, build_dataloader, build_dataset
 from .chase_db1 import ChaseDB1Dataset
diff --git a/mmseg/datasets/ade.py b/mmseg/datasets/ade.py
index 5daf7e3731..9af4371263 100644
--- a/mmseg/datasets/ade.py
+++ b/mmseg/datasets/ade.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import os.path as osp
 import tempfile
 
diff --git a/mmseg/datasets/builder.py b/mmseg/datasets/builder.py
index 82f6f460fb..bfb54ef002 100644
--- a/mmseg/datasets/builder.py
+++ b/mmseg/datasets/builder.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import copy
 import platform
 import random
diff --git a/mmseg/datasets/chase_db1.py b/mmseg/datasets/chase_db1.py
index 8bc29bea14..7f14b2da0e 100644
--- a/mmseg/datasets/chase_db1.py
+++ b/mmseg/datasets/chase_db1.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import os.path as osp
 
 from .builder import DATASETS
diff --git a/mmseg/datasets/cityscapes.py b/mmseg/datasets/cityscapes.py
index fa9958ac14..fd814f92c0 100644
--- a/mmseg/datasets/cityscapes.py
+++ b/mmseg/datasets/cityscapes.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import os.path as osp
 import tempfile
 
diff --git a/mmseg/datasets/custom.py b/mmseg/datasets/custom.py
index 9c88235e39..719ca013f4 100644
--- a/mmseg/datasets/custom.py
+++ b/mmseg/datasets/custom.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import os
 import os.path as osp
 from collections import OrderedDict
diff --git a/mmseg/datasets/dataset_wrappers.py b/mmseg/datasets/dataset_wrappers.py
index d6a5e957ec..f161f71469 100644
--- a/mmseg/datasets/dataset_wrappers.py
+++ b/mmseg/datasets/dataset_wrappers.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from torch.utils.data.dataset import ConcatDataset as _ConcatDataset
 
 from .builder import DATASETS
diff --git a/mmseg/datasets/drive.py b/mmseg/datasets/drive.py
index 3cbfda8ae7..650991147c 100644
--- a/mmseg/datasets/drive.py
+++ b/mmseg/datasets/drive.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import os.path as osp
 
 from .builder import DATASETS
diff --git a/mmseg/datasets/hrf.py b/mmseg/datasets/hrf.py
index 923203b513..e4e10aeafd 100644
--- a/mmseg/datasets/hrf.py
+++ b/mmseg/datasets/hrf.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import os.path as osp
 
 from .builder import DATASETS
diff --git a/mmseg/datasets/pascal_context.py b/mmseg/datasets/pascal_context.py
index 541a63c66a..1e7a09d723 100644
--- a/mmseg/datasets/pascal_context.py
+++ b/mmseg/datasets/pascal_context.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import os.path as osp
 
 from .builder import DATASETS
diff --git a/mmseg/datasets/pipelines/__init__.py b/mmseg/datasets/pipelines/__init__.py
index 8b9046b07b..660291e256 100644
--- a/mmseg/datasets/pipelines/__init__.py
+++ b/mmseg/datasets/pipelines/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from .compose import Compose
 from .formating import (Collect, ImageToTensor, ToDataContainer, ToTensor,
                         Transpose, to_tensor)
diff --git a/mmseg/datasets/pipelines/compose.py b/mmseg/datasets/pipelines/compose.py
index ca48f1c935..30280c1332 100644
--- a/mmseg/datasets/pipelines/compose.py
+++ b/mmseg/datasets/pipelines/compose.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import collections
 
 from mmcv.utils import build_from_cfg
diff --git a/mmseg/datasets/pipelines/formating.py b/mmseg/datasets/pipelines/formating.py
index 34061c1dd1..45824fc405 100644
--- a/mmseg/datasets/pipelines/formating.py
+++ b/mmseg/datasets/pipelines/formating.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from collections.abc import Sequence
 
 import mmcv
diff --git a/mmseg/datasets/pipelines/loading.py b/mmseg/datasets/pipelines/loading.py
index fdfc496ba9..e1c82bd397 100644
--- a/mmseg/datasets/pipelines/loading.py
+++ b/mmseg/datasets/pipelines/loading.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import os.path as osp
 
 import mmcv
diff --git a/mmseg/datasets/pipelines/test_time_aug.py b/mmseg/datasets/pipelines/test_time_aug.py
index 473a12bc86..5c17cbbba1 100644
--- a/mmseg/datasets/pipelines/test_time_aug.py
+++ b/mmseg/datasets/pipelines/test_time_aug.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import warnings
 
 import mmcv
diff --git a/mmseg/datasets/pipelines/transforms.py b/mmseg/datasets/pipelines/transforms.py
index c5e94a0f14..f2a642c141 100644
--- a/mmseg/datasets/pipelines/transforms.py
+++ b/mmseg/datasets/pipelines/transforms.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import mmcv
 import numpy as np
 from mmcv.utils import deprecated_api_warning, is_tuple_of
diff --git a/mmseg/datasets/stare.py b/mmseg/datasets/stare.py
index cbd14e0920..a24d1d9570 100644
--- a/mmseg/datasets/stare.py
+++ b/mmseg/datasets/stare.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import os.path as osp
 
 from .builder import DATASETS
diff --git a/mmseg/datasets/voc.py b/mmseg/datasets/voc.py
index a8855203b1..3cec9e3505 100644
--- a/mmseg/datasets/voc.py
+++ b/mmseg/datasets/voc.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import os.path as osp
 
 from .builder import DATASETS
diff --git a/mmseg/models/__init__.py b/mmseg/models/__init__.py
index 3cf93f8bec..87d8108e3f 100644
--- a/mmseg/models/__init__.py
+++ b/mmseg/models/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from .backbones import *  # noqa: F401,F403
 from .builder import (BACKBONES, HEADS, LOSSES, SEGMENTORS, build_backbone,
                       build_head, build_loss, build_segmentor)
diff --git a/mmseg/models/backbones/__init__.py b/mmseg/models/backbones/__init__.py
index b8c17b2184..75ef2c3a86 100644
--- a/mmseg/models/backbones/__init__.py
+++ b/mmseg/models/backbones/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from .cgnet import CGNet
 from .fast_scnn import FastSCNN
 from .hrnet import HRNet
diff --git a/mmseg/models/backbones/cgnet.py b/mmseg/models/backbones/cgnet.py
index 32bdbc4c15..67c06717ba 100644
--- a/mmseg/models/backbones/cgnet.py
+++ b/mmseg/models/backbones/cgnet.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import warnings
 
 import torch
diff --git a/mmseg/models/backbones/fast_scnn.py b/mmseg/models/backbones/fast_scnn.py
index 84289da481..95a434413b 100644
--- a/mmseg/models/backbones/fast_scnn.py
+++ b/mmseg/models/backbones/fast_scnn.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 from mmcv.cnn import ConvModule, DepthwiseSeparableConvModule
diff --git a/mmseg/models/backbones/hrnet.py b/mmseg/models/backbones/hrnet.py
index 0f064cff7d..c8ec50654e 100644
--- a/mmseg/models/backbones/hrnet.py
+++ b/mmseg/models/backbones/hrnet.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import warnings
 
 import torch.nn as nn
diff --git a/mmseg/models/backbones/mit.py b/mmseg/models/backbones/mit.py
index 9d41ea58c1..90abfe539b 100644
--- a/mmseg/models/backbones/mit.py
+++ b/mmseg/models/backbones/mit.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import math
 import warnings
 
diff --git a/mmseg/models/backbones/mobilenet_v2.py b/mmseg/models/backbones/mobilenet_v2.py
index 46d57fbb55..988e29cdea 100644
--- a/mmseg/models/backbones/mobilenet_v2.py
+++ b/mmseg/models/backbones/mobilenet_v2.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import warnings
 
 import torch.nn as nn
diff --git a/mmseg/models/backbones/mobilenet_v3.py b/mmseg/models/backbones/mobilenet_v3.py
index ae0b45db81..dd3d6eb176 100644
--- a/mmseg/models/backbones/mobilenet_v3.py
+++ b/mmseg/models/backbones/mobilenet_v3.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import warnings
 
 import mmcv
diff --git a/mmseg/models/backbones/resnest.py b/mmseg/models/backbones/resnest.py
index 8931decb87..f47adb5302 100644
--- a/mmseg/models/backbones/resnest.py
+++ b/mmseg/models/backbones/resnest.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import math
 
 import torch
diff --git a/mmseg/models/backbones/resnet.py b/mmseg/models/backbones/resnet.py
index f7238f02f6..f9a1ceb4e0 100644
--- a/mmseg/models/backbones/resnet.py
+++ b/mmseg/models/backbones/resnet.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import warnings
 
 import torch.nn as nn
diff --git a/mmseg/models/backbones/resnext.py b/mmseg/models/backbones/resnext.py
index fa8149ce2f..450b77bb76 100644
--- a/mmseg/models/backbones/resnext.py
+++ b/mmseg/models/backbones/resnext.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import math
 
 from mmcv.cnn import build_conv_layer, build_norm_layer
diff --git a/mmseg/models/backbones/swin.py b/mmseg/models/backbones/swin.py
index 68a989b5d7..c75bf5fc8f 100644
--- a/mmseg/models/backbones/swin.py
+++ b/mmseg/models/backbones/swin.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import warnings
 from copy import deepcopy
 
diff --git a/mmseg/models/backbones/unet.py b/mmseg/models/backbones/unet.py
index 705dd2b8f8..680c79e320 100644
--- a/mmseg/models/backbones/unet.py
+++ b/mmseg/models/backbones/unet.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import warnings
 
 import torch.nn as nn
diff --git a/mmseg/models/backbones/vit.py b/mmseg/models/backbones/vit.py
index e4f1839bdb..5bee596fec 100644
--- a/mmseg/models/backbones/vit.py
+++ b/mmseg/models/backbones/vit.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import math
 import warnings
 
diff --git a/mmseg/models/builder.py b/mmseg/models/builder.py
index 05d0606807..5e18e4e643 100644
--- a/mmseg/models/builder.py
+++ b/mmseg/models/builder.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import warnings
 
 from mmcv.cnn import MODELS as MMCV_MODELS
diff --git a/mmseg/models/decode_heads/__init__.py b/mmseg/models/decode_heads/__init__.py
index 5b64125056..b0daf0e1cb 100644
--- a/mmseg/models/decode_heads/__init__.py
+++ b/mmseg/models/decode_heads/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from .ann_head import ANNHead
 from .apc_head import APCHead
 from .aspp_head import ASPPHead
diff --git a/mmseg/models/decode_heads/ann_head.py b/mmseg/models/decode_heads/ann_head.py
index 396c54e150..c8d882e319 100644
--- a/mmseg/models/decode_heads/ann_head.py
+++ b/mmseg/models/decode_heads/ann_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 from mmcv.cnn import ConvModule
diff --git a/mmseg/models/decode_heads/apc_head.py b/mmseg/models/decode_heads/apc_head.py
index 2118232c96..3198fd1881 100644
--- a/mmseg/models/decode_heads/apc_head.py
+++ b/mmseg/models/decode_heads/apc_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 import torch.nn.functional as F
diff --git a/mmseg/models/decode_heads/aspp_head.py b/mmseg/models/decode_heads/aspp_head.py
index 6332ab120c..1fbd1bc880 100644
--- a/mmseg/models/decode_heads/aspp_head.py
+++ b/mmseg/models/decode_heads/aspp_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 from mmcv.cnn import ConvModule
diff --git a/mmseg/models/decode_heads/cascade_decode_head.py b/mmseg/models/decode_heads/cascade_decode_head.py
index d02122ca0e..f7c3da0d67 100644
--- a/mmseg/models/decode_heads/cascade_decode_head.py
+++ b/mmseg/models/decode_heads/cascade_decode_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from abc import ABCMeta, abstractmethod
 
 from .decode_head import BaseDecodeHead
diff --git a/mmseg/models/decode_heads/cc_head.py b/mmseg/models/decode_heads/cc_head.py
index 95c2706a5d..ed19eb46d1 100644
--- a/mmseg/models/decode_heads/cc_head.py
+++ b/mmseg/models/decode_heads/cc_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 
 from ..builder import HEADS
diff --git a/mmseg/models/decode_heads/da_head.py b/mmseg/models/decode_heads/da_head.py
index 8ee0e08c3d..77fd6639c0 100644
--- a/mmseg/models/decode_heads/da_head.py
+++ b/mmseg/models/decode_heads/da_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn.functional as F
 from mmcv.cnn import ConvModule, Scale
diff --git a/mmseg/models/decode_heads/decode_head.py b/mmseg/models/decode_heads/decode_head.py
index 54d517f027..b38701a92e 100644
--- a/mmseg/models/decode_heads/decode_head.py
+++ b/mmseg/models/decode_heads/decode_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from abc import ABCMeta, abstractmethod
 
 import torch
diff --git a/mmseg/models/decode_heads/dm_head.py b/mmseg/models/decode_heads/dm_head.py
index 3161b06488..ffaa870ab3 100644
--- a/mmseg/models/decode_heads/dm_head.py
+++ b/mmseg/models/decode_heads/dm_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 import torch.nn.functional as F
diff --git a/mmseg/models/decode_heads/dnl_head.py b/mmseg/models/decode_heads/dnl_head.py
index 52a662ccb6..ab53d9a24c 100644
--- a/mmseg/models/decode_heads/dnl_head.py
+++ b/mmseg/models/decode_heads/dnl_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 from mmcv.cnn import NonLocal2d
 from torch import nn
diff --git a/mmseg/models/decode_heads/ema_head.py b/mmseg/models/decode_heads/ema_head.py
index 619d757046..f6de167111 100644
--- a/mmseg/models/decode_heads/ema_head.py
+++ b/mmseg/models/decode_heads/ema_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import math
 
 import torch
diff --git a/mmseg/models/decode_heads/enc_head.py b/mmseg/models/decode_heads/enc_head.py
index 0c11994cf6..648c8906b9 100644
--- a/mmseg/models/decode_heads/enc_head.py
+++ b/mmseg/models/decode_heads/enc_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 import torch.nn.functional as F
diff --git a/mmseg/models/decode_heads/fcn_head.py b/mmseg/models/decode_heads/fcn_head.py
index 4ea3742f0b..3c8de51f61 100644
--- a/mmseg/models/decode_heads/fcn_head.py
+++ b/mmseg/models/decode_heads/fcn_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 from mmcv.cnn import ConvModule
diff --git a/mmseg/models/decode_heads/fpn_head.py b/mmseg/models/decode_heads/fpn_head.py
index 1e5bfd63fc..e41f324cca 100644
--- a/mmseg/models/decode_heads/fpn_head.py
+++ b/mmseg/models/decode_heads/fpn_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import numpy as np
 import torch.nn as nn
 from mmcv.cnn import ConvModule
diff --git a/mmseg/models/decode_heads/gc_head.py b/mmseg/models/decode_heads/gc_head.py
index 93f60ad61c..eed5074251 100644
--- a/mmseg/models/decode_heads/gc_head.py
+++ b/mmseg/models/decode_heads/gc_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 from mmcv.cnn import ContextBlock
 
diff --git a/mmseg/models/decode_heads/lraspp_head.py b/mmseg/models/decode_heads/lraspp_head.py
index 32a093cade..c10ff0d822 100644
--- a/mmseg/models/decode_heads/lraspp_head.py
+++ b/mmseg/models/decode_heads/lraspp_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 from mmcv import is_tuple_of
diff --git a/mmseg/models/decode_heads/nl_head.py b/mmseg/models/decode_heads/nl_head.py
index 31658755a6..637517e7a0 100644
--- a/mmseg/models/decode_heads/nl_head.py
+++ b/mmseg/models/decode_heads/nl_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 from mmcv.cnn import NonLocal2d
 
diff --git a/mmseg/models/decode_heads/ocr_head.py b/mmseg/models/decode_heads/ocr_head.py
index e180e10276..09eadfb1a6 100644
--- a/mmseg/models/decode_heads/ocr_head.py
+++ b/mmseg/models/decode_heads/ocr_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 import torch.nn.functional as F
diff --git a/mmseg/models/decode_heads/point_head.py b/mmseg/models/decode_heads/point_head.py
index f2d9fcc5a7..4bc388cbc0 100644
--- a/mmseg/models/decode_heads/point_head.py
+++ b/mmseg/models/decode_heads/point_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 # Modified from https://github.com/facebookresearch/detectron2/tree/master/projects/PointRend/point_head/point_head.py  # noqa
 
 import torch
diff --git a/mmseg/models/decode_heads/psa_head.py b/mmseg/models/decode_heads/psa_head.py
index 8d915e57f4..df7593cbcb 100644
--- a/mmseg/models/decode_heads/psa_head.py
+++ b/mmseg/models/decode_heads/psa_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 import torch.nn.functional as F
diff --git a/mmseg/models/decode_heads/psp_head.py b/mmseg/models/decode_heads/psp_head.py
index 4416199860..a27ae4bd0a 100644
--- a/mmseg/models/decode_heads/psp_head.py
+++ b/mmseg/models/decode_heads/psp_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 from mmcv.cnn import ConvModule
diff --git a/mmseg/models/decode_heads/segformer_head.py b/mmseg/models/decode_heads/segformer_head.py
index 9ae1ff69d8..2e75d5069b 100644
--- a/mmseg/models/decode_heads/segformer_head.py
+++ b/mmseg/models/decode_heads/segformer_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 from mmcv.cnn import ConvModule
diff --git a/mmseg/models/decode_heads/sep_aspp_head.py b/mmseg/models/decode_heads/sep_aspp_head.py
index 50bd52bcff..4e894e28e3 100644
--- a/mmseg/models/decode_heads/sep_aspp_head.py
+++ b/mmseg/models/decode_heads/sep_aspp_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 from mmcv.cnn import ConvModule, DepthwiseSeparableConvModule
diff --git a/mmseg/models/decode_heads/sep_fcn_head.py b/mmseg/models/decode_heads/sep_fcn_head.py
index 39844c9ee8..5e22a66f7c 100644
--- a/mmseg/models/decode_heads/sep_fcn_head.py
+++ b/mmseg/models/decode_heads/sep_fcn_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from mmcv.cnn import DepthwiseSeparableConvModule
 
 from ..builder import HEADS
diff --git a/mmseg/models/decode_heads/setr_mla_head.py b/mmseg/models/decode_heads/setr_mla_head.py
index c4e22bf7d6..6bb94ae330 100644
--- a/mmseg/models/decode_heads/setr_mla_head.py
+++ b/mmseg/models/decode_heads/setr_mla_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 from mmcv.cnn import ConvModule
diff --git a/mmseg/models/decode_heads/setr_up_head.py b/mmseg/models/decode_heads/setr_up_head.py
index a2595ad514..87e7ea7faa 100644
--- a/mmseg/models/decode_heads/setr_up_head.py
+++ b/mmseg/models/decode_heads/setr_up_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch.nn as nn
 from mmcv.cnn import ConvModule, build_norm_layer
 
diff --git a/mmseg/models/decode_heads/uper_head.py b/mmseg/models/decode_heads/uper_head.py
index bb617f6b13..4a50316a58 100644
--- a/mmseg/models/decode_heads/uper_head.py
+++ b/mmseg/models/decode_heads/uper_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 from mmcv.cnn import ConvModule
diff --git a/mmseg/models/losses/__init__.py b/mmseg/models/losses/__init__.py
index beca720456..e85d8e0038 100644
--- a/mmseg/models/losses/__init__.py
+++ b/mmseg/models/losses/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from .accuracy import Accuracy, accuracy
 from .cross_entropy_loss import (CrossEntropyLoss, binary_cross_entropy,
                                  cross_entropy, mask_cross_entropy)
diff --git a/mmseg/models/losses/accuracy.py b/mmseg/models/losses/accuracy.py
index c0fd2e7e74..f2cd16b7f9 100644
--- a/mmseg/models/losses/accuracy.py
+++ b/mmseg/models/losses/accuracy.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch.nn as nn
 
 
diff --git a/mmseg/models/losses/cross_entropy_loss.py b/mmseg/models/losses/cross_entropy_loss.py
index 42c0790c98..9a7ccea937 100644
--- a/mmseg/models/losses/cross_entropy_loss.py
+++ b/mmseg/models/losses/cross_entropy_loss.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 import torch.nn.functional as F
diff --git a/mmseg/models/losses/dice_loss.py b/mmseg/models/losses/dice_loss.py
index 27a77b962d..0b07e97648 100644
--- a/mmseg/models/losses/dice_loss.py
+++ b/mmseg/models/losses/dice_loss.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 """Modified from https://github.com/LikeLy-Journey/SegmenTron/blob/master/
 segmentron/solver/loss.py (Apache-2.0 License)"""
 import torch
diff --git a/mmseg/models/losses/lovasz_loss.py b/mmseg/models/losses/lovasz_loss.py
index e8df6e8307..275c4c5432 100644
--- a/mmseg/models/losses/lovasz_loss.py
+++ b/mmseg/models/losses/lovasz_loss.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 """Modified from https://github.com/bermanmaxim/LovaszSoftmax/blob/master/pytor
 ch/lovasz_losses.py Lovasz-Softmax and Jaccard hinge loss in PyTorch Maxim
 Berman 2018 ESAT-PSI KU Leuven (MIT License)"""
diff --git a/mmseg/models/losses/utils.py b/mmseg/models/losses/utils.py
index ab5876603e..c57e4b18a8 100644
--- a/mmseg/models/losses/utils.py
+++ b/mmseg/models/losses/utils.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import functools
 
 import mmcv
diff --git a/mmseg/models/necks/__init__.py b/mmseg/models/necks/__init__.py
index 3d6a4c050b..c496853c83 100644
--- a/mmseg/models/necks/__init__.py
+++ b/mmseg/models/necks/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from .fpn import FPN
 from .mla_neck import MLANeck
 from .multilevel_neck import MultiLevelNeck
diff --git a/mmseg/models/necks/fpn.py b/mmseg/models/necks/fpn.py
index 5e1bd21836..8461a75e49 100644
--- a/mmseg/models/necks/fpn.py
+++ b/mmseg/models/necks/fpn.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch.nn as nn
 import torch.nn.functional as F
 from mmcv.cnn import ConvModule
diff --git a/mmseg/models/necks/mla_neck.py b/mmseg/models/necks/mla_neck.py
index 010c43d406..5fc3b98b0b 100644
--- a/mmseg/models/necks/mla_neck.py
+++ b/mmseg/models/necks/mla_neck.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch.nn as nn
 from mmcv.cnn import ConvModule, build_norm_layer
 
diff --git a/mmseg/models/necks/multilevel_neck.py b/mmseg/models/necks/multilevel_neck.py
index 9f638932f4..cbf4b01176 100644
--- a/mmseg/models/necks/multilevel_neck.py
+++ b/mmseg/models/necks/multilevel_neck.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch.nn as nn
 from mmcv.cnn import ConvModule, xavier_init
 
diff --git a/mmseg/models/segmentors/__init__.py b/mmseg/models/segmentors/__init__.py
index dca2f09405..387c858bd7 100644
--- a/mmseg/models/segmentors/__init__.py
+++ b/mmseg/models/segmentors/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from .base import BaseSegmentor
 from .cascade_encoder_decoder import CascadeEncoderDecoder
 from .encoder_decoder import EncoderDecoder
diff --git a/mmseg/models/segmentors/base.py b/mmseg/models/segmentors/base.py
index 0ace142ace..906c6fe564 100644
--- a/mmseg/models/segmentors/base.py
+++ b/mmseg/models/segmentors/base.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import warnings
 from abc import ABCMeta, abstractmethod
 from collections import OrderedDict
diff --git a/mmseg/models/segmentors/cascade_encoder_decoder.py b/mmseg/models/segmentors/cascade_encoder_decoder.py
index fb5a9aeb7b..7f9f9006c8 100644
--- a/mmseg/models/segmentors/cascade_encoder_decoder.py
+++ b/mmseg/models/segmentors/cascade_encoder_decoder.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from torch import nn
 
 from mmseg.core import add_prefix
diff --git a/mmseg/models/segmentors/encoder_decoder.py b/mmseg/models/segmentors/encoder_decoder.py
index 04de3f4180..72467b4690 100644
--- a/mmseg/models/segmentors/encoder_decoder.py
+++ b/mmseg/models/segmentors/encoder_decoder.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 import torch.nn.functional as F
diff --git a/mmseg/models/utils/__init__.py b/mmseg/models/utils/__init__.py
index 6ef12bb9ba..817ab9cc60 100644
--- a/mmseg/models/utils/__init__.py
+++ b/mmseg/models/utils/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from .ckpt_convert import swin_convert, vit_convert
 from .embed import PatchEmbed
 from .inverted_residual import InvertedResidual, InvertedResidualV3
diff --git a/mmseg/models/utils/ckpt_convert.py b/mmseg/models/utils/ckpt_convert.py
index 0b1b27707d..fd4632065c 100644
--- a/mmseg/models/utils/ckpt_convert.py
+++ b/mmseg/models/utils/ckpt_convert.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from collections import OrderedDict
 
 
diff --git a/mmseg/models/utils/embed.py b/mmseg/models/utils/embed.py
index 73d8ed1f11..c0cf143488 100644
--- a/mmseg/models/utils/embed.py
+++ b/mmseg/models/utils/embed.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch.nn.functional as F
 from mmcv.cnn import build_conv_layer, build_norm_layer
 from mmcv.runner.base_module import BaseModule
diff --git a/mmseg/models/utils/inverted_residual.py b/mmseg/models/utils/inverted_residual.py
index 5a209a57bc..c9cda76822 100644
--- a/mmseg/models/utils/inverted_residual.py
+++ b/mmseg/models/utils/inverted_residual.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from mmcv.cnn import ConvModule
 from torch import nn
 from torch.utils import checkpoint as cp
diff --git a/mmseg/models/utils/make_divisible.py b/mmseg/models/utils/make_divisible.py
index 75ad756052..ed42c2eeea 100644
--- a/mmseg/models/utils/make_divisible.py
+++ b/mmseg/models/utils/make_divisible.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 def make_divisible(value, divisor, min_value=None, min_ratio=0.9):
     """Make divisible function.
 
diff --git a/mmseg/models/utils/res_layer.py b/mmseg/models/utils/res_layer.py
index 9c474ede63..190a0c5d5a 100644
--- a/mmseg/models/utils/res_layer.py
+++ b/mmseg/models/utils/res_layer.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from mmcv.cnn import build_conv_layer, build_norm_layer
 from mmcv.runner import Sequential
 from torch import nn as nn
diff --git a/mmseg/models/utils/se_layer.py b/mmseg/models/utils/se_layer.py
index e08340457b..16f52aa5c0 100644
--- a/mmseg/models/utils/se_layer.py
+++ b/mmseg/models/utils/se_layer.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import mmcv
 import torch.nn as nn
 from mmcv.cnn import ConvModule
diff --git a/mmseg/models/utils/self_attention_block.py b/mmseg/models/utils/self_attention_block.py
index 372fad2e00..c945fa7168 100644
--- a/mmseg/models/utils/self_attention_block.py
+++ b/mmseg/models/utils/self_attention_block.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 from mmcv.cnn import ConvModule, constant_init
 from torch import nn as nn
diff --git a/mmseg/models/utils/shape_convert.py b/mmseg/models/utils/shape_convert.py
index 744416092c..34c8648c4a 100644
--- a/mmseg/models/utils/shape_convert.py
+++ b/mmseg/models/utils/shape_convert.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 def nlc_to_nchw(x, hw_shape):
     """Convert [N, L, C] shape tensor to [N, C, H, W] shape tensor.
 
diff --git a/mmseg/models/utils/up_conv_block.py b/mmseg/models/utils/up_conv_block.py
index 6566b749db..d8396d9c2c 100644
--- a/mmseg/models/utils/up_conv_block.py
+++ b/mmseg/models/utils/up_conv_block.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 from mmcv.cnn import ConvModule, build_upsample_layer
diff --git a/mmseg/ops/__init__.py b/mmseg/ops/__init__.py
index bec51c75b9..bc075cd4eb 100644
--- a/mmseg/ops/__init__.py
+++ b/mmseg/ops/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from .encoding import Encoding
 from .wrappers import Upsample, resize
 
diff --git a/mmseg/ops/encoding.py b/mmseg/ops/encoding.py
index 7eb3629a64..f397cc54e8 100644
--- a/mmseg/ops/encoding.py
+++ b/mmseg/ops/encoding.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 from torch import nn
 from torch.nn import functional as F
diff --git a/mmseg/ops/wrappers.py b/mmseg/ops/wrappers.py
index 0ed9a0cb8d..ce67e4bebe 100644
--- a/mmseg/ops/wrappers.py
+++ b/mmseg/ops/wrappers.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import warnings
 
 import torch.nn as nn
diff --git a/mmseg/utils/__init__.py b/mmseg/utils/__init__.py
index ac489e2dbb..3f15580521 100644
--- a/mmseg/utils/__init__.py
+++ b/mmseg/utils/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from .collect_env import collect_env
 from .logger import get_root_logger
 
diff --git a/mmseg/utils/collect_env.py b/mmseg/utils/collect_env.py
index 8293a05fb3..3379ecb06b 100644
--- a/mmseg/utils/collect_env.py
+++ b/mmseg/utils/collect_env.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from mmcv.utils import collect_env as collect_base_env
 from mmcv.utils import get_git_hash
 
diff --git a/mmseg/utils/logger.py b/mmseg/utils/logger.py
index 05d2f13439..0cb3c78d6d 100644
--- a/mmseg/utils/logger.py
+++ b/mmseg/utils/logger.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import logging
 
 from mmcv.utils import get_logger
diff --git a/setup.py b/setup.py
index 92c0950462..bc85294970 100755
--- a/setup.py
+++ b/setup.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import os
 import os.path as osp
 import shutil
@@ -35,9 +36,9 @@ def parse_requirements(fname='requirements.txt', with_version=True):
     CommandLine:
         python -c "import setup; print(setup.parse_requirements())"
     """
+    import re
     import sys
     from os.path import exists
-    import re
     require_fpath = fname
 
     def parse_line(line):
diff --git a/tests/__init__.py b/tests/__init__.py
index e69de29bb2..ef101fec61 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -0,0 +1 @@
+# Copyright (c) OpenMMLab. All rights reserved.
diff --git a/tests/test_config.py b/tests/test_config.py
index b991fbfd31..e6cec409d6 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import glob
 import os
 from os.path import dirname, exists, isdir, join, relpath
diff --git a/tests/test_data/test_dataset.py b/tests/test_data/test_dataset.py
index 57a33da6c3..7ef59f27de 100644
--- a/tests/test_data/test_dataset.py
+++ b/tests/test_data/test_dataset.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import os.path as osp
 from unittest.mock import MagicMock, patch
 
diff --git a/tests/test_data/test_dataset_builder.py b/tests/test_data/test_dataset_builder.py
index c6827e4d17..c945fe5527 100644
--- a/tests/test_data/test_dataset_builder.py
+++ b/tests/test_data/test_dataset_builder.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import math
 import os.path as osp
 
diff --git a/tests/test_data/test_loading.py b/tests/test_data/test_loading.py
index e8aa5d3130..fdda93ef97 100644
--- a/tests/test_data/test_loading.py
+++ b/tests/test_data/test_loading.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import copy
 import os.path as osp
 import tempfile
diff --git a/tests/test_data/test_transform.py b/tests/test_data/test_transform.py
index 33ed4ecb14..3862e75a34 100644
--- a/tests/test_data/test_transform.py
+++ b/tests/test_data/test_transform.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import copy
 import os.path as osp
 
diff --git a/tests/test_data/test_tta.py b/tests/test_data/test_tta.py
index cc8c71e57c..d61af27ae0 100644
--- a/tests/test_data/test_tta.py
+++ b/tests/test_data/test_tta.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import os.path as osp
 
 import mmcv
diff --git a/tests/test_digit_version.py b/tests/test_digit_version.py
index 4d6649005c..45daf09ca1 100644
--- a/tests/test_digit_version.py
+++ b/tests/test_digit_version.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from mmseg import digit_version
 
 
diff --git a/tests/test_eval_hook.py b/tests/test_eval_hook.py
index 394051b0ba..54d2a43539 100644
--- a/tests/test_eval_hook.py
+++ b/tests/test_eval_hook.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import logging
 import tempfile
 from unittest.mock import MagicMock, patch
diff --git a/tests/test_inference.py b/tests/test_inference.py
index 046e036281..f71a7ea56d 100644
--- a/tests/test_inference.py
+++ b/tests/test_inference.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import os.path as osp
 
 import mmcv
diff --git a/tests/test_metrics.py b/tests/test_metrics.py
index 4030505b96..a8db8025df 100644
--- a/tests/test_metrics.py
+++ b/tests/test_metrics.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import numpy as np
 
 from mmseg.core.evaluation import (eval_metrics, mean_dice, mean_fscore,
diff --git a/tests/test_models/__init__.py b/tests/test_models/__init__.py
index e69de29bb2..ef101fec61 100644
--- a/tests/test_models/__init__.py
+++ b/tests/test_models/__init__.py
@@ -0,0 +1 @@
+# Copyright (c) OpenMMLab. All rights reserved.
diff --git a/tests/test_models/test_backbones/__init__.py b/tests/test_models/test_backbones/__init__.py
index 78a93a54f2..8b673fa5c3 100644
--- a/tests/test_models/test_backbones/__init__.py
+++ b/tests/test_models/test_backbones/__init__.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from .utils import all_zeros, check_norm_state, is_block, is_norm
 
 __all__ = ['is_norm', 'is_block', 'all_zeros', 'check_norm_state']
diff --git a/tests/test_models/test_backbones/test_blocks.py b/tests/test_models/test_backbones/test_blocks.py
index f459fbba87..ad3ad2d8c1 100644
--- a/tests/test_models/test_backbones/test_blocks.py
+++ b/tests/test_models/test_backbones/test_blocks.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import mmcv
 import pytest
 import torch
diff --git a/tests/test_models/test_backbones/test_cgnet.py b/tests/test_models/test_backbones/test_cgnet.py
index dfc4e9adea..f938525d0a 100644
--- a/tests/test_models/test_backbones/test_cgnet.py
+++ b/tests/test_models/test_backbones/test_cgnet.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_backbones/test_fast_scnn.py b/tests/test_models/test_backbones/test_fast_scnn.py
index f4a580987f..e6390469a2 100644
--- a/tests/test_models/test_backbones/test_fast_scnn.py
+++ b/tests/test_models/test_backbones/test_fast_scnn.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_backbones/test_hrnet.py b/tests/test_models/test_backbones/test_hrnet.py
index 81611a0d11..aa42c85814 100644
--- a/tests/test_models/test_backbones/test_hrnet.py
+++ b/tests/test_models/test_backbones/test_hrnet.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from mmcv.utils.parrots_wrapper import _BatchNorm
 
 from mmseg.models.backbones import HRNet
diff --git a/tests/test_models/test_backbones/test_mit.py b/tests/test_models/test_backbones/test_mit.py
index bf6cca1649..86d98bf88b 100644
--- a/tests/test_models/test_backbones/test_mit.py
+++ b/tests/test_models/test_backbones/test_mit.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_backbones/test_mobilenet_v3.py b/tests/test_models/test_backbones/test_mobilenet_v3.py
index 1ebeac410f..a238035677 100644
--- a/tests/test_models/test_backbones/test_mobilenet_v3.py
+++ b/tests/test_models/test_backbones/test_mobilenet_v3.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_backbones/test_resnest.py b/tests/test_models/test_backbones/test_resnest.py
index 78d97de0c3..3013f34fcc 100644
--- a/tests/test_models/test_backbones/test_resnest.py
+++ b/tests/test_models/test_backbones/test_resnest.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_backbones/test_resnet.py b/tests/test_models/test_backbones/test_resnet.py
index e0947dba71..2efb4986b0 100644
--- a/tests/test_models/test_backbones/test_resnet.py
+++ b/tests/test_models/test_backbones/test_resnet.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 from mmcv.ops import DeformConv2dPack
diff --git a/tests/test_models/test_backbones/test_resnext.py b/tests/test_models/test_backbones/test_resnext.py
index 2ba5f8ec2d..2aecaf0d3d 100644
--- a/tests/test_models/test_backbones/test_resnext.py
+++ b/tests/test_models/test_backbones/test_resnext.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_backbones/test_swin.py b/tests/test_models/test_backbones/test_swin.py
index 42e3086673..d82a4ba10b 100644
--- a/tests/test_models/test_backbones/test_swin.py
+++ b/tests/test_models/test_backbones/test_swin.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_backbones/test_unet.py b/tests/test_models/test_backbones/test_unet.py
index 52f2123a3c..3a035c8f0b 100644
--- a/tests/test_models/test_backbones/test_unet.py
+++ b/tests/test_models/test_backbones/test_unet.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 from mmcv.cnn import ConvModule
diff --git a/tests/test_models/test_backbones/test_vit.py b/tests/test_models/test_backbones/test_vit.py
index 16d6aba68f..c9afe075b9 100644
--- a/tests/test_models/test_backbones/test_vit.py
+++ b/tests/test_models/test_backbones/test_vit.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_backbones/utils.py b/tests/test_models/test_backbones/utils.py
index d50b772c5f..54b6404c60 100644
--- a/tests/test_models/test_backbones/utils.py
+++ b/tests/test_models/test_backbones/utils.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 from torch.nn.modules import GroupNorm
 from torch.nn.modules.batchnorm import _BatchNorm
diff --git a/tests/test_models/test_forward.py b/tests/test_models/test_forward.py
index ea9d70b614..5aa3a2fe99 100644
--- a/tests/test_models/test_forward.py
+++ b/tests/test_models/test_forward.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 """pytest tests/test_forward.py."""
 import copy
 from os.path import dirname, exists, join
diff --git a/tests/test_models/test_heads/__init__.py b/tests/test_models/test_heads/__init__.py
index e69de29bb2..ef101fec61 100644
--- a/tests/test_models/test_heads/__init__.py
+++ b/tests/test_models/test_heads/__init__.py
@@ -0,0 +1 @@
+# Copyright (c) OpenMMLab. All rights reserved.
diff --git a/tests/test_models/test_heads/test_ann_head.py b/tests/test_models/test_heads/test_ann_head.py
index 61556c0a08..22caf03642 100644
--- a/tests/test_models/test_heads/test_ann_head.py
+++ b/tests/test_models/test_heads/test_ann_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 
 from mmseg.models.decode_heads import ANNHead
diff --git a/tests/test_models/test_heads/test_apc_head.py b/tests/test_models/test_heads/test_apc_head.py
index 37f1a559bb..a79d66fcff 100644
--- a/tests/test_models/test_heads/test_apc_head.py
+++ b/tests/test_models/test_heads/test_apc_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_heads/test_aspp_head.py b/tests/test_models/test_heads/test_aspp_head.py
index bd4ce56a35..203fef0a47 100644
--- a/tests/test_models/test_heads/test_aspp_head.py
+++ b/tests/test_models/test_heads/test_aspp_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_heads/test_cc_head.py b/tests/test_models/test_heads/test_cc_head.py
index 12a19bf0a4..ff284ef067 100644
--- a/tests/test_models/test_heads/test_cc_head.py
+++ b/tests/test_models/test_heads/test_cc_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_heads/test_da_head.py b/tests/test_models/test_heads/test_da_head.py
index 20f3a2181b..7bc46aa960 100644
--- a/tests/test_models/test_heads/test_da_head.py
+++ b/tests/test_models/test_heads/test_da_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 
 from mmseg.models.decode_heads import DAHead
diff --git a/tests/test_models/test_heads/test_decode_head.py b/tests/test_models/test_heads/test_decode_head.py
index 97262b92c7..421043d398 100644
--- a/tests/test_models/test_heads/test_decode_head.py
+++ b/tests/test_models/test_heads/test_decode_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from unittest.mock import patch
 
 import pytest
diff --git a/tests/test_models/test_heads/test_dm_head.py b/tests/test_models/test_heads/test_dm_head.py
index e85127b30c..f85d547e81 100644
--- a/tests/test_models/test_heads/test_dm_head.py
+++ b/tests/test_models/test_heads/test_dm_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_heads/test_dnl_head.py b/tests/test_models/test_heads/test_dnl_head.py
index b3e98aa276..17242018e0 100644
--- a/tests/test_models/test_heads/test_dnl_head.py
+++ b/tests/test_models/test_heads/test_dnl_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 
 from mmseg.models.decode_heads import DNLHead
diff --git a/tests/test_models/test_heads/test_ema_head.py b/tests/test_models/test_heads/test_ema_head.py
index 4214b0c961..8947e0d584 100644
--- a/tests/test_models/test_heads/test_ema_head.py
+++ b/tests/test_models/test_heads/test_ema_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 
 from mmseg.models.decode_heads import EMAHead
diff --git a/tests/test_models/test_heads/test_enc_head.py b/tests/test_models/test_heads/test_enc_head.py
index 3a293300f4..db5383d76a 100644
--- a/tests/test_models/test_heads/test_enc_head.py
+++ b/tests/test_models/test_heads/test_enc_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 
 from mmseg.models.decode_heads import EncHead
diff --git a/tests/test_models/test_heads/test_fcn_head.py b/tests/test_models/test_heads/test_fcn_head.py
index 24ae086d65..3783fe3ad5 100644
--- a/tests/test_models/test_heads/test_fcn_head.py
+++ b/tests/test_models/test_heads/test_fcn_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 from mmcv.cnn import ConvModule, DepthwiseSeparableConvModule
diff --git a/tests/test_models/test_heads/test_gc_head.py b/tests/test_models/test_heads/test_gc_head.py
index 5201730b06..4540222e29 100644
--- a/tests/test_models/test_heads/test_gc_head.py
+++ b/tests/test_models/test_heads/test_gc_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 
 from mmseg.models.decode_heads import GCHead
diff --git a/tests/test_models/test_heads/test_lraspp_head.py b/tests/test_models/test_heads/test_lraspp_head.py
index 5031936c78..c83377f3d8 100644
--- a/tests/test_models/test_heads/test_lraspp_head.py
+++ b/tests/test_models/test_heads/test_lraspp_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_heads/test_nl_head.py b/tests/test_models/test_heads/test_nl_head.py
index 6f4bede5e7..04b173f08f 100644
--- a/tests/test_models/test_heads/test_nl_head.py
+++ b/tests/test_models/test_heads/test_nl_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 
 from mmseg.models.decode_heads import NLHead
diff --git a/tests/test_models/test_heads/test_ocr_head.py b/tests/test_models/test_heads/test_ocr_head.py
index bc2af75ad5..c6551f83ed 100644
--- a/tests/test_models/test_heads/test_ocr_head.py
+++ b/tests/test_models/test_heads/test_ocr_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 
 from mmseg.models.decode_heads import FCNHead, OCRHead
diff --git a/tests/test_models/test_heads/test_point_head.py b/tests/test_models/test_heads/test_point_head.py
index b54b979de9..6c5ea65768 100644
--- a/tests/test_models/test_heads/test_point_head.py
+++ b/tests/test_models/test_heads/test_point_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 from mmcv.utils import ConfigDict
 
diff --git a/tests/test_models/test_heads/test_psa_head.py b/tests/test_models/test_heads/test_psa_head.py
index d8f38b6aae..21450b5eab 100644
--- a/tests/test_models/test_heads/test_psa_head.py
+++ b/tests/test_models/test_heads/test_psa_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_heads/test_psp_head.py b/tests/test_models/test_heads/test_psp_head.py
index 38b39d7ba8..f4a8781a0c 100644
--- a/tests/test_models/test_heads/test_psp_head.py
+++ b/tests/test_models/test_heads/test_psp_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_heads/test_segformer_head.py b/tests/test_models/test_heads/test_segformer_head.py
index aa8dedb1a8..73afaba2ca 100644
--- a/tests/test_models/test_heads/test_segformer_head.py
+++ b/tests/test_models/test_heads/test_segformer_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_heads/test_setr_mla_head.py b/tests/test_models/test_heads/test_setr_mla_head.py
index d43aab02f9..07992d0d92 100644
--- a/tests/test_models/test_heads/test_setr_mla_head.py
+++ b/tests/test_models/test_heads/test_setr_mla_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_heads/test_setr_up_head.py b/tests/test_models/test_heads/test_setr_up_head.py
index ad6ca56d2d..d552e175e2 100644
--- a/tests/test_models/test_heads/test_setr_up_head.py
+++ b/tests/test_models/test_heads/test_setr_up_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_heads/test_uper_head.py b/tests/test_models/test_heads/test_uper_head.py
index 2c66db8921..961b01bb16 100644
--- a/tests/test_models/test_heads/test_uper_head.py
+++ b/tests/test_models/test_heads/test_uper_head.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_heads/utils.py b/tests/test_models/test_heads/utils.py
index 1407f0a916..675241c21c 100644
--- a/tests/test_models/test_heads/utils.py
+++ b/tests/test_models/test_heads/utils.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from mmcv.cnn import ConvModule
 from mmcv.utils.parrots_wrapper import SyncBatchNorm
 
diff --git a/tests/test_models/test_losses/__init__.py b/tests/test_models/test_losses/__init__.py
index e69de29bb2..ef101fec61 100644
--- a/tests/test_models/test_losses/__init__.py
+++ b/tests/test_models/test_losses/__init__.py
@@ -0,0 +1 @@
+# Copyright (c) OpenMMLab. All rights reserved.
diff --git a/tests/test_models/test_losses/test_ce_loss.py b/tests/test_models/test_losses/test_ce_loss.py
index 9619b60a91..73217ec8c0 100644
--- a/tests/test_models/test_losses/test_ce_loss.py
+++ b/tests/test_models/test_losses/test_ce_loss.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_losses/test_dice_loss.py b/tests/test_models/test_losses/test_dice_loss.py
index 01ded6fe74..05d1b1e053 100644
--- a/tests/test_models/test_losses/test_dice_loss.py
+++ b/tests/test_models/test_losses/test_dice_loss.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 
 
diff --git a/tests/test_models/test_losses/test_lovasz_loss.py b/tests/test_models/test_losses/test_lovasz_loss.py
index 6fac4309a9..e2dee81de8 100644
--- a/tests/test_models/test_losses/test_lovasz_loss.py
+++ b/tests/test_models/test_losses/test_lovasz_loss.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tests/test_models/test_losses/test_utils.py b/tests/test_models/test_losses/test_utils.py
index a5251e49fb..1d94387ed7 100644
--- a/tests/test_models/test_losses/test_utils.py
+++ b/tests/test_models/test_losses/test_utils.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import numpy as np
 import pytest
 import torch
diff --git a/tests/test_models/test_necks/__init__.py b/tests/test_models/test_necks/__init__.py
index e69de29bb2..ef101fec61 100644
--- a/tests/test_models/test_necks/__init__.py
+++ b/tests/test_models/test_necks/__init__.py
@@ -0,0 +1 @@
+# Copyright (c) OpenMMLab. All rights reserved.
diff --git a/tests/test_models/test_necks/test_fpn.py b/tests/test_models/test_necks/test_fpn.py
index 8fc968450f..f7b8e414b3 100644
--- a/tests/test_models/test_necks/test_fpn.py
+++ b/tests/test_models/test_necks/test_fpn.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 
 from mmseg.models import FPN
diff --git a/tests/test_models/test_necks/test_mla_neck.py b/tests/test_models/test_necks/test_mla_neck.py
index 75f0401685..a20c132d05 100644
--- a/tests/test_models/test_necks/test_mla_neck.py
+++ b/tests/test_models/test_necks/test_mla_neck.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 
 from mmseg.models import MLANeck
diff --git a/tests/test_models/test_necks/test_multilevel_neck.py b/tests/test_models/test_necks/test_multilevel_neck.py
index c5a567d988..641a212c22 100644
--- a/tests/test_models/test_necks/test_multilevel_neck.py
+++ b/tests/test_models/test_necks/test_multilevel_neck.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 
 from mmseg.models import MultiLevelNeck
diff --git a/tests/test_models/test_segmentors/__init__.py b/tests/test_models/test_segmentors/__init__.py
index e69de29bb2..ef101fec61 100644
--- a/tests/test_models/test_segmentors/__init__.py
+++ b/tests/test_models/test_segmentors/__init__.py
@@ -0,0 +1 @@
+# Copyright (c) OpenMMLab. All rights reserved.
diff --git a/tests/test_models/test_segmentors/test_cascade_encoder_decoder.py b/tests/test_models/test_segmentors/test_cascade_encoder_decoder.py
index 142e81f122..07ad5c3fbb 100644
--- a/tests/test_models/test_segmentors/test_cascade_encoder_decoder.py
+++ b/tests/test_models/test_segmentors/test_cascade_encoder_decoder.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from mmcv import ConfigDict
 
 from mmseg.models import build_segmentor
diff --git a/tests/test_models/test_segmentors/test_encoder_decoder.py b/tests/test_models/test_segmentors/test_encoder_decoder.py
index f40c4ea473..4ed143727d 100644
--- a/tests/test_models/test_segmentors/test_encoder_decoder.py
+++ b/tests/test_models/test_segmentors/test_encoder_decoder.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from mmcv import ConfigDict
 
 from mmseg.models import build_segmentor
diff --git a/tests/test_models/test_segmentors/utils.py b/tests/test_models/test_segmentors/utils.py
index cfe9a17da2..0f51a4b1f5 100644
--- a/tests/test_models/test_segmentors/utils.py
+++ b/tests/test_models/test_segmentors/utils.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import numpy as np
 import torch
 from torch import nn
diff --git a/tests/test_sampler.py b/tests/test_sampler.py
index 3c79c16277..8e613a5a1f 100644
--- a/tests/test_sampler.py
+++ b/tests/test_sampler.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import pytest
 import torch
 
diff --git a/tools/analyze_logs.py b/tools/analyze_logs.py
index fb017efaaf..8c62a34fc8 100644
--- a/tools/analyze_logs.py
+++ b/tools/analyze_logs.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 """Modified from https://github.com/open-
 mmlab/mmdetection/blob/master/tools/analysis_tools/analyze_logs.py."""
 import argparse
diff --git a/tools/benchmark.py b/tools/benchmark.py
index 0a61793585..d72980ebde 100644
--- a/tools/benchmark.py
+++ b/tools/benchmark.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 import time
 
diff --git a/tools/convert_datasets/chase_db1.py b/tools/convert_datasets/chase_db1.py
index 56bb210edb..580e6e7ec5 100644
--- a/tools/convert_datasets/chase_db1.py
+++ b/tools/convert_datasets/chase_db1.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 import os
 import os.path as osp
diff --git a/tools/convert_datasets/cityscapes.py b/tools/convert_datasets/cityscapes.py
index 99d05b41f5..17b6168478 100644
--- a/tools/convert_datasets/cityscapes.py
+++ b/tools/convert_datasets/cityscapes.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 import os.path as osp
 
diff --git a/tools/convert_datasets/drive.py b/tools/convert_datasets/drive.py
index 891f06f725..f547579b2d 100644
--- a/tools/convert_datasets/drive.py
+++ b/tools/convert_datasets/drive.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 import os
 import os.path as osp
diff --git a/tools/convert_datasets/hrf.py b/tools/convert_datasets/hrf.py
index bdeb6e7e56..5e016e3cae 100644
--- a/tools/convert_datasets/hrf.py
+++ b/tools/convert_datasets/hrf.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 import os
 import os.path as osp
diff --git a/tools/convert_datasets/pascal_context.py b/tools/convert_datasets/pascal_context.py
index dc49ab7ad8..03b79d5186 100644
--- a/tools/convert_datasets/pascal_context.py
+++ b/tools/convert_datasets/pascal_context.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 import os.path as osp
 from functools import partial
diff --git a/tools/convert_datasets/stare.py b/tools/convert_datasets/stare.py
index 6238d62f64..29b78c0003 100644
--- a/tools/convert_datasets/stare.py
+++ b/tools/convert_datasets/stare.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 import gzip
 import os
diff --git a/tools/convert_datasets/voc_aug.py b/tools/convert_datasets/voc_aug.py
index 942746351b..1d42c27047 100644
--- a/tools/convert_datasets/voc_aug.py
+++ b/tools/convert_datasets/voc_aug.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 import os.path as osp
 from functools import partial
diff --git a/tools/deploy_test.py b/tools/deploy_test.py
index 56fd61ca88..6e709b8c90 100644
--- a/tools/deploy_test.py
+++ b/tools/deploy_test.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 import os
 import os.path as osp
diff --git a/tools/get_flops.py b/tools/get_flops.py
index bc98c52525..83dea0a030 100644
--- a/tools/get_flops.py
+++ b/tools/get_flops.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 
 from mmcv import Config
diff --git a/tools/mmseg2torchserve.py b/tools/mmseg2torchserve.py
index 373f5cae16..9063634845 100644
--- a/tools/mmseg2torchserve.py
+++ b/tools/mmseg2torchserve.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 from argparse import ArgumentParser, Namespace
 from pathlib import Path
 from tempfile import TemporaryDirectory
diff --git a/tools/mmseg_handler.py b/tools/mmseg_handler.py
index b0cb248866..7fabd46b9c 100644
--- a/tools/mmseg_handler.py
+++ b/tools/mmseg_handler.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import base64
 import io
 import os
diff --git a/tools/model_converters/mit_convert.py b/tools/model_converters/mit_convert.py
index c914c4edba..125345c04a 100644
--- a/tools/model_converters/mit_convert.py
+++ b/tools/model_converters/mit_convert.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 from collections import OrderedDict
 
diff --git a/tools/onnx2tensorrt.py b/tools/onnx2tensorrt.py
index 203ae82a88..1cda22249f 100644
--- a/tools/onnx2tensorrt.py
+++ b/tools/onnx2tensorrt.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 import os
 import os.path as osp
diff --git a/tools/print_config.py b/tools/print_config.py
index 88984e420b..fb978c9b6e 100644
--- a/tools/print_config.py
+++ b/tools/print_config.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 
 from mmcv import Config, DictAction
diff --git a/tools/publish_model.py b/tools/publish_model.py
index a049f17674..e2660578af 100644
--- a/tools/publish_model.py
+++ b/tools/publish_model.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 import subprocess
 
diff --git a/tools/pytorch2onnx.py b/tools/pytorch2onnx.py
index 17f10932a6..1751a7b750 100644
--- a/tools/pytorch2onnx.py
+++ b/tools/pytorch2onnx.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 from functools import partial
 
diff --git a/tools/pytorch2torchscript.py b/tools/pytorch2torchscript.py
index 206c4bb457..fad6fd142f 100644
--- a/tools/pytorch2torchscript.py
+++ b/tools/pytorch2torchscript.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 
 import mmcv
diff --git a/tools/test.py b/tools/test.py
index ab2bd60175..87bd3659d6 100644
--- a/tools/test.py
+++ b/tools/test.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 import os
 
diff --git a/tools/train.py b/tools/train.py
index 2d11df37ba..490b3ff5f8 100644
--- a/tools/train.py
+++ b/tools/train.py
@@ -1,3 +1,4 @@
+# Copyright (c) OpenMMLab. All rights reserved.
 import argparse
 import copy
 import os