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e1e7af0 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | """
Copied from RT-DETR (https://github.com/lyuwenyu/RT-DETR)
Copyright(c) 2023 lyuwenyu. All Rights Reserved.
"""
import torch
import torch.utils.data as data
class DetDataset(data.Dataset):
def __getitem__(self, index):
img, target = self.load_item(index)
if self.transforms is not None:
img, target, _ = self.transforms(img, target, self)
return img, target
def load_item(self, index):
raise NotImplementedError("Please implement this function to return item before `transforms`.")
def set_epoch(self, epoch) -> None:
self._epoch = epoch
@property
def epoch(self):
return self._epoch if hasattr(self, '_epoch') else -1
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