Ruidong

I have not addressed a very small box in edge, maybe I should drop them directly. 🤔

run test

> Did you any experiment with Scale augmentation? I want result of training using and not using training result. @iizukak , Thanks for reviewing! I will fix them. Since I'm...

@tkng > Now we don't have dependency to cv2 module except some demo scripts. Since OpenCV is very large software, we should think carefully before adding that dependency. Thanks for...

@tkng Or, we can add some functions like this.. https://github.com/dmlc/gluon-cv/blob/c11643d8e81ad08a8c89555a5ad8d4860bb86b19/gluoncv/utils/filesystem.py#L43 ``` def try_import_cv2(): """Try import cv2 at runtime. Returns ------- cv2 module if found. Raise ImportError otherwise """ msg =...

> > I think data augmentation will only be used in training environment, does it matter only add them into training dependency? > > Considering that adding a dependency to...

@tkng Okay! I will pay attention to this point. Thanks for your patience!

There is an official guide just for reference: https://www.tensorflow.org/guide/upgrade

LGTM. Could you resolve conflicts? @ed728