class_docstr: Mask Scoring RCNN.
  
  https://arxiv.org/abs/1903.00241
class_docstr_tok: ["Mask","Scoring","RCNN",".","https",":","\/\/arxiv.org\/abs\/1903.00241"]
code: def __init__(
      self,
      backbone,
      rpn_head,
      roi_head,
      train_cfg,
      test_cfg,
      neck=None,
      pretrained=None,
  ):
      super(MaskScoringRCNN, self).__init__(
          backbone=backbone,
          neck=neck,
          rpn_head=rpn_head,
          roi_head=roi_head,
          train_cfg=train_cfg,
          test_cfg=test_cfg,
          pretrained=pretrained,
      )
  
imports: from ..builder import DETECTORS
  from .two_stage import TwoStageDetector
label_desc: Use image node_id 1 to create a new MaskScoringRCNN object from inherited base classes: TwoStageDetector with example: obj = MaskScoringRCNN(backbone, rpn_head, roi_head, train_cfg, test_cfg, neck, pretrained)