New class training and data

Hello!

Im a ML practitioner from Chile (so im sorry in advance for any english mistakes). I was thinking about improving this model with a new NSFW class: violence (gore for example). I understand basic concepts of transfer learning and how to do it, but since you are the expert I would like to know if you can help me with:

1.- How much data of the original classes would you use for this new training? Should I use the 60 gbs or that would be overkill since the model already can already classify the 5 original classes.
2.- How much data do you think i need for the new class?

Btw im so grateful for your code, especially the mobilenet version! how long did it take to train that model?

Cya!

No files, tests, or entry points are named. Start by reviewing the repository's Keras model and training-data setup, then determine how the five existing classes and a proposed violence class are represented. Done would require an agreed training and dataset plan rather than a specific code change.

Written by the indexing model from the issue text.