Add header for files (#869)

* Add header for files

* Add header for files

* Add header for files

* Add header for files

mmdet3d/models/middle_encoders/sparse_unet.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 from mmcv.runner import BaseModule, auto_fp16
 

mmdet3d/models/model_utils/__init__.py

+# Copyright (c) OpenMMLab. All rights reserved.
 from .transformer import GroupFree3DMHA
 from .vote_module import VoteModule
 

mmdet3d/models/model_utils/transformer.py

+# Copyright (c) OpenMMLab. All rights reserved.
 from mmcv.cnn.bricks.registry import ATTENTION
 from mmcv.cnn.bricks.transformer import POSITIONAL_ENCODING, MultiheadAttention
 from torch import nn as nn

mmdet3d/models/model_utils/vote_module.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 from mmcv import is_tuple_of
 from mmcv.cnn import ConvModule

mmdet3d/models/necks/__init__.py

+# Copyright (c) OpenMMLab. All rights reserved.
 from mmdet.models.necks.fpn import FPN
 from .imvoxel_neck import OutdoorImVoxelNeck
 from .second_fpn import SECONDFPN

mmdet3d/models/necks/imvoxel_neck.py

+# Copyright (c) OpenMMLab. All rights reserved.
 from mmcv.cnn import ConvModule
 from torch import nn
 

mmdet3d/models/necks/second_fpn.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import numpy as np
 import torch
 from mmcv.cnn import build_conv_layer, build_norm_layer, build_upsample_layer

mmdet3d/models/roi_heads/__init__.py

+# Copyright (c) OpenMMLab. All rights reserved.
 from .base_3droi_head import Base3DRoIHead
 from .bbox_heads import PartA2BboxHead
 from .h3d_roi_head import H3DRoIHead

mmdet3d/models/roi_heads/base_3droi_head.py

+# Copyright (c) OpenMMLab. All rights reserved.
 from abc import ABCMeta, abstractmethod
 from mmcv.runner import BaseModule
 

mmdet3d/models/roi_heads/bbox_heads/__init__.py

+# Copyright (c) OpenMMLab. All rights reserved.
 from mmdet.models.roi_heads.bbox_heads import (BBoxHead, ConvFCBBoxHead,
                                                DoubleConvFCBBoxHead,
                                                Shared2FCBBoxHead,

mmdet3d/models/roi_heads/bbox_heads/h3d_bbox_head.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 from mmcv.cnn import ConvModule
 from mmcv.runner import BaseModule

mmdet3d/models/roi_heads/bbox_heads/parta2_bbox_head.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import numpy as np
 import torch
 from mmcv.cnn import ConvModule, normal_init

mmdet3d/models/roi_heads/h3d_roi_head.py

+# Copyright (c) OpenMMLab. All rights reserved.
 from mmdet3d.core.bbox import bbox3d2result
 from mmdet.models import HEADS
 from ..builder import build_head

mmdet3d/models/roi_heads/mask_heads/__init__.py

+# Copyright (c) OpenMMLab. All rights reserved.
 from .pointwise_semantic_head import PointwiseSemanticHead
 from .primitive_head import PrimitiveHead
 

mmdet3d/models/roi_heads/mask_heads/pointwise_semantic_head.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 from mmcv.runner import BaseModule
 from torch import nn as nn

mmdet3d/models/roi_heads/mask_heads/primitive_head.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 from mmcv.cnn import ConvModule
 from mmcv.runner import BaseModule

mmdet3d/models/roi_heads/part_aggregation_roi_head.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import warnings
 from torch.nn import functional as F
 

mmdet3d/models/roi_heads/roi_extractors/__init__.py

+# Copyright (c) OpenMMLab. All rights reserved.
 from mmdet.models.roi_heads.roi_extractors import SingleRoIExtractor
 from .single_roiaware_extractor import Single3DRoIAwareExtractor
 

mmdet3d/models/roi_heads/roi_extractors/single_roiaware_extractor.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 from mmcv.runner import BaseModule
 

mmdet3d/models/segmentors/__init__.py

+# Copyright (c) OpenMMLab. All rights reserved.
 from .base import Base3DSegmentor
 from .encoder_decoder import EncoderDecoder3D