# Copyright (c) OpenMMLab. All rights reserved.fromabcimportABCMeta,abstractmethod
[文档]classBaseAssigner(metaclass=ABCMeta):"""Base assigner that assigns boxes to ground truth boxes."""
[文档]@abstractmethoddefassign(self,bboxes,gt_bboxes,gt_bboxes_ignore=None,gt_labels=None):"""Assign boxes to either a ground truth boxes or a negative boxes."""