# Copyright (c) OpenMMLab. All rights reserved.
from mmdet.registry import MODELS
from mmdet.utils import ConfigType, OptConfigType, OptMultiConfig
from .two_stage import TwoStageDetector


@MODELS.register_module()
class GridRCNN(TwoStageDetector):
    """Grid R-CNN.

    This detector is the implementation of:
    - Grid R-CNN (https://arxiv.org/abs/1811.12030)
    - Grid R-CNN Plus: Faster and Better (https://arxiv.org/abs/1906.05688)
    """

    def __init__(self,
                 backbone: ConfigType,
                 rpn_head: ConfigType,
                 roi_head: ConfigType,
                 train_cfg: ConfigType,
                 test_cfg: ConfigType,
                 neck: OptConfigType = None,
                 data_preprocessor: OptConfigType = None,
                 init_cfg: OptMultiConfig = None) -> None:
        super().__init__(
            backbone=backbone,
            neck=neck,
            rpn_head=rpn_head,
            roi_head=roi_head,
            train_cfg=train_cfg,
            test_cfg=test_cfg,
            data_preprocessor=data_preprocessor,
            init_cfg=init_cfg)