About "train_loader" and "val_loader" in train.py

[Maxlium]

I want to ask a question.As mentioned upon, we can see that the class of "14" and "19" have image data in "train_loader".And the image data is 0 in val_loader.Is it right?I use the datalists u give.

[tianzhuotao]

Which split were you using? As different splits may use different classes as training, and these classes may not be used during testing.