请问可以不可以把coco——annotation里的is_crowd改为1，就是把数据集做成rle格式进行训练

[yasaorder]

但是训练train的时候报错 Traceback (most recent call last): File "F:/pycharmprogram/mask-rcnn-tf2/train.py", line 296, in callbacks = callbacks File "C:\Users\12396\AppData\Roaming\Python\Python37\site-packages\tensorflow\python\keras\engine\training.py", line 66, in _method_wrapper return method(self, *args, **kwargs) File "C:\Users\12396\AppData\Roaming\Python\Python37\site-packages\tensorflow\python\keras\engine\training.py", line 815, in fit model=self) File "C:\Users\12396\AppData\Roaming\Python\Python37\site-packages\tensorflow\python\keras\engine\data_adapter.py", line 1112, in init model=model) File "C:\Users\12396\AppData\Roaming\Python\Python37\site-packages\tensorflow\python\keras\engine\data_adapter.py", line 908, in init **kwargs) File "C:\Users\12396\AppData\Roaming\Python\Python37\site-packages\tensorflow\python\keras\engine\data_adapter.py", line 772, in init peek, x = self._peek_and_restore(x) File "C:\Users\12396\AppData\Roaming\Python\Python37\site-packages\tensorflow\python\keras\engine\data_adapter.py", line 912, in _peek_and_restore return x[0], x File "F:\pycharmprogram\mask-rcnn-tf2\utils\dataloader.py", line 239, in getitem image, boxes, mask_gt, num_crowds, image_id = self.pull_item(global_index) File "F:\pycharmprogram\mask-rcnn-tf2\utils\dataloader.py", line 337, in pull_item if len(boxes_classes) > 0: UnboundLocalError: local variable 'boxes_classes' referenced before assignment

进程已结束,退出代码1