x-rays right they're fairly similar similar technology um if you slice the ct it will give you sort of an x-ray can i you know train my model pre-train my model on x-ray data and then fine-tune it on the ct data so that's called uh transfer learning usually now this can be done with or without labels so it can be that for the x-ray data set you do have the labels or you don't have the labels there are techniques for all of those now what we're going to look at today is kind of this situation right here it's the transfer learning situation