version that's been used in images called CPC or contrast to predictive coding and we're also going to look at follow-ups to that that made the CPC pipeline much simpler like instance discrimination and where is state of the art instantiations of that note that in this lecture we are not going to cover the more popular sub supervised techniques like or any anything to do with the latest language retraining pipelines arguably sub supervised learning has taken off way more language than computer vision but the focus of this lecture is going