from ..common.optim import SGD as optimizer from ..common.coco_schedule import lr_multiplier_1x as lr_multiplier from ..common.data.coco import dataloader from ..common.models.fcos import model from ..common.train import train dataloader.train.mapper.use_instance_mask = False optimizer.lr = 0.01 model.backbone.bottom_up.freeze_at = 2 train.init_checkpoint = "detectron2://ImageNetPretrained/MSRA/R-50.pkl"