pre-training it first in an unsupervised way and this is also called some of these methods are called self supervise so the advantage here of self supervised or unsupervised pre training is that you don't need labels what you want to do is simply to make the representation space somewhat meaningful right so you simply want the network to learn representations of images that are somehow meaningful right that are there and here's how you do it so you want to take an image like this dog here and then you want to randomly augment this