Mashiro 931db99005
[Enhance] Enhance img data preprocessor (#290)
* fix BaseDataPreprocessor

* fix BaseDataPreprocessor

* change device type to torch.device

* change device type to torch.device

* fix cpu method of base model

* Allow ImgDataPreprocessor do not normalize

* remove unnecessary type ignore

* make mean and std optional

* refine docstring
2022-06-09 20:12:15 +08:00
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